Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
L  |
|---|
| L chondrites | |
|---|---|
| BT | meteorites |
| .stony meteorites | |
| ..chondrites | |
| ...L chondrites | |
| NT | Barwell Meteorite |
| Bjurbole Meteorite | |
| Bruderheim Meteorite | |
| Hedjaz Meteorite | |
| Rio Negro Meteorite | |
| Tsarev Meteorite | |
| UF | L-group chondrites |
| SN | Added to Thesaurus in 1981. |
| L waves | |
|---|---|
| USE | surface waves |
| L'Assomption County Quebec | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...L'Assomption County Quebec | |
| L'Islet County Quebec | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...L'Islet County Quebec | |
| L'vov Ukraine | |
|---|---|
| USE | Lvov Ukraine |
| L'vov Volyn Basin | |
|---|---|
| USE | Lvov-Volyn Basin |
| L-group chondrites | |
|---|---|
| USE | L chondrites |
| La | |
|---|---|
| USE | lanthanum |
| La Brea tar pits | |
|---|---|
| USE | Rancho La Brea |
| La Caridad Spain | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Asturias Spain | |
| .....La Caridad Spain | |
| SN | Settlement in NW central Spain. |
| La Coruna City Spain | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Galicia Spain | |
| .....La Coruna Spain | |
| ......La Coruna City Spain | |
| SN | Refers to only the city in extreme NW Spain on the Atlantic Ocean. Before 1993, also search La Coruna Spain. |
| La Coruna Spain | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Galicia Spain | |
| .....La Coruna Spain | |
| NT | Cabo Ortegal |
| La Coruna City Spain | |
| Santiago de Compostela Spain | |
| RT | Arosa Bay |
| SN | Refers only to the province in extreme NW Spain. From 1981-1992, also search La Coruna Province and Spain. For the city, see La Coruna City Spain. |
| La Crosse County Wisconsin | |
|---|---|
| BT | United States |
| .Wisconsin | |
| ..La Crosse County Wisconsin | |
| La Grande Soufriere | |
|---|---|
| BT | Caribbean region |
| .West Indies | |
| ..Antilles | |
| ...Lesser Antilles | |
| ....Guadeloupe | |
| .....La Grande Soufriere | |
| RT | volcanoes |
| Leeward Islands | |
| Soufriere | |
| SN | Volcano. Before 1981, also search Soufriere AND Guadeloupe. Indexed with Leeward Islands. Added to Thesaurus in 1981. |
| La Habana Cuba | |
|---|---|
| BT | Caribbean region |
| .West Indies | |
| ..Antilles | |
| ...Greater Antilles | |
| ....Cuba | |
| .....La Habana Cuba | |
| SN | Province in W Cuba. Before 1981, also search Havana Cuba. |
| La Jolla California | |
|---|---|
| BT | United States |
| .California | |
| ..San Diego County California | |
| ...La Jolla California | |
| RT | San Diego California |
| SN | NW section of San Diego in San Diego County. |
| La Ligua | |
|---|---|
| SN | No longer a valid term for GeoRef. See La Ligua River or La Ligua Chile for the town. Also used for a former department of Aconcagua, now Valparaiso Chile. |
| La Ligua Chile | |
|---|---|
| BT | South America |
| .Chile | |
| ..Valparaiso Chile | |
| ...La Ligua Chile | |
| SN | Town in central Chile. In former Aconcagua Province. |
| La Ligua River | |
|---|---|
| BT | South America |
| .Chile | |
| ..Valparaiso Chile | |
| ...La Ligua River | |
| SN | River in central Chile. Added to Thesaurus in 1995. |
| La Luna Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....La Luna Formation | |
| RT | Colombia |
| Venezuela | |
| SN | N Colombia, W Venezuela. Divided into Salada, Pujamana and Galembo members. Added to Thesaurus in 1989. |
| La Meseta Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....upper Eocene | |
| ......La Meseta Formation | |
| RT | Antarctica |
| Seymour Island | |
| SN | Seymour Island, Antarctica. Added to Thesaurus in 1989. |
| La Palma | |
|---|---|
| RT | Canary Islands |
| SN | NW island, at N28#DG25'N28#DG50' W017#DG45'W018#DG, Canary Islands. May also occur in other locations. Search in combination with Canary Islands. Indexed with Canary Islands if applicable. Added to Thesaurus in 1998. |
| La Pampa Argentina | |
|---|---|
| BT | South America |
| .Argentina | |
| ..La Pampa Argentina | |
| RT | Salado Basin |
| SN | Province in central Argentina. |
| La Paz | |
|---|---|
| SN | No longer a valid term for GeoRef. Also occurs as towns in Argentina and Mexico and as department of El Salvador. |
| La Paz Bolivia | |
|---|---|
| BT | South America |
| .Bolivia | |
| ..La Paz Bolivia | |
| RT | Lake Titicaca |
| SN | Department and city in W Bolivia. |
| La Paz County Arizona | |
|---|---|
| BT | United States |
| .Arizona | |
| ..La Paz County Arizona | |
| RT | Buckskin Mountains |
| Yuma County Arizona | |
| Chocolate Mountains | |
| Date Creek basin | |
| SN | W central Arizona. Formed from N part of Yuma County in 1983. Before 1983, also search Yuma County Arizona. |
| La Plata County Colorado | |
|---|---|
| BT | United States |
| .Colorado | |
| ..La Plata County Colorado | |
| RT | Needle Mountains |
| SN | SW Colorado. |
| La Quinta Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....La Quinta Formation | |
| RT | Mexico |
| Venezuela | |
| SN | Venezuela and S Mexico. Added to Thesaurus in 1989. |
| La Rioja | |
|---|---|
| SN | Not a valid term for GeoRef. See La Rioja Argentina; La Rioja Spain if applicable. |
| La Rioja Argentina | |
|---|---|
| BT | South America |
| .Argentina | |
| ..La Rioja Argentina | |
| NT | Paganzo Argentina |
| RT | Chanares Formation |
| Guandacol Formation | |
| Pampean Mountains | |
| Paganzo Basin | |
| Salado Basin | |
| SN | Province in NW Argentina. |
| La Rioja Spain | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....La Rioja Spain | |
| NT | Logrono City Spain |
| RT | Castile Spain |
| Old Castile Spain | |
| Sierra de la Demanda | |
| SN | Autonomous community and province of N central Spain. Formerly Logrono province. From 1981-1992, also search Logrono Province and Spain. Before 1998, also search Logrono Spain. For the city, see Logrono City Spain. Added to Thesaurus in 1998. |
| La Ronge Belt | |
|---|---|
| USE | La Ronge Domain |
| La Ronge Doma |
|---|
| La Ronge Domain | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Saskatchewan | |
| ...La Ronge Domain | |
| UF | La Ronge Belt |
| RT | gold ores |
| SN | N central Saskatchewan. Gold ores. Added to Thesaurus in 1989. |
| La Ronge Saskatchewan | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Saskatchewan | |
| ...La Ronge Saskatchewan | |
| RT | Lac La Ronge |
| SN | Village and lake in N central Saskatchewan. |
| La Salle County Illinois | |
|---|---|
| BT | United States |
| .Illinois | |
| ..La Salle County Illinois | |
| SN | N Illinois. |
| La Salle County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..La Salle County Texas | |
| SN | S Texas. |
| La Salle Limestone | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Pennsylvanian | |
| .....La Salle Limestone | |
| RT | Illinois |
| SN | Middle and Upper Pennsylvanian. In McLeansboro Group. NE Illinois. |
| La Salle Parish Louisiana | |
|---|---|
| BT | United States |
| .Louisiana | |
| ..La Salle Parish Louisiana | |
| La Ventana Sandstone | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....La Ventana Sandstone | |
| RT | New Mexico |
| Mesaverde Group | |
| SN | Of Mesaverde Group. NW New Mexico. |
| Laacher See | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...Rhineland-Palatinate Germany | |
| ....Laacher See | |
| UF | Lake of Laach |
| SN | Rhineland-Palatinate, W Germany. Added to Thesaurus in 1989. |
| Laba Basin | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Krasnodar Russian Federation | |
| ...Laba Basin | |
| SN | River basin in Krasnodar Kray of the Northern Caucasus. Also search Laba. This term has multiple hierarchies. |
| Labelle County Quebec | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...Labelle County Quebec | |
| Labette County Kansas | |
|---|---|
| BT | United States |
| .Kansas | |
| ..Labette County Kansas | |
| SN | SE Kansas. |
| Labette Shale | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Pennsylvanian | |
| .....Middle Pennsylvanian | |
| ......Desmoinesian | |
| .......Labette Shale | |
| RT | Iowa |
| Missouri | |
| Oklahoma | |
| Kansas | |
| Marmaton Group | |
| SN | In Marmaton Group. |
| laboratory studie |
|---|
| laboratory studies | |
|---|---|
| UF | studies, laboratory |
| RT | engineering geology |
| quality control | |
| environmental geology | |
| experimental studies | |
| models | |
| modern analogs | |
| simulation | |
| Rayleigh number | |
| settling | |
| sandbox models | |
| theoretical studies | |
| physical models | |
| Long Duration Exposure Facility | |
| scale models | |
| SN | General term. From 1981-1997 restricted to engineering studies. Indexed with experimental studies if applicable. |
| Laborcita Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Laborcita Formation | |
| RT | Lower Permian |
| New Mexico | |
| Upper Pennsylvanian | |
| Magdalena Group | |
| SN | In Magdalena Group. S New Mexico. Indexed with ages as applicable. Added to Thesaurus in 1989. |
| Labrador Basin | |
|---|---|
| BT | Atlantic Ocean |
| .North Atlantic | |
| ..Labrador Basin | |
| SN | E of Labrador and S of Greenland. |
| Labrador Current | |
|---|---|
| RT | Davis Strait |
| Labrador | |
| Labrador Sea | |
| Newfoundland Island | |
| North Atlantic | |
| SN | Formed by West Greenland Current and Baffin Island Current at Davis Strait, flows SE along coast of Labrador and Newfoundland, and meets North Atlantic Current at about N42#DG W50#DG. Indexed with oceans such as North Atlantic as applicable. Added to Thes |
| Labrador Sea | |
|---|---|
| BT | Atlantic Ocean |
| .North Atlantic | |
| ..Labrador Sea | |
| RT | Leg 105 |
| ODP Site 646 | |
| ODP Site 647 | |
| Hudson Strait | |
| Labrador Current | |
| Leg 12 | |
| DSDP Site 112 | |
| DSDP Site 113 | |
| SN | Between Labrador and SW Greenland. |
| Labrador Trough | |
|---|---|
| BT | Canada |
| .Labrador Trough | |
| RT | Quebec |
| Labrador | |
| SN | In Quebec and Labrador. Added to Thesaurus in 1981. |
| labradorite | |
|---|---|
| BT | silicates |
| .framework silicates | |
| ..feldspar group | |
| ...plagioclase | |
| ....labradorite | |
| RT | igneous rocks |
| labradoritite | |
|---|---|
| BT | igneous rocks |
| .plutonic rocks | |
| ..gabbros | |
| ...labradoritite | |
| labuntsovite | |
|---|---|
| BT | silicates |
| .orthosilicates | |
| ..sorosilicates | |
| ...labuntsovite | |
| Labyrinthodontia | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Amphibia | |
| ....Labyrinthodontia | |
| NT | Anthracosauria |
| Temnospondyli | |
| SN | Subclass. |
| Lac du Bonnet | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Manitoba | |
| ...Lac du Bonnet | |
| RT | Lac du Bonnet Batholith |
| Lac du Bonnet Manitoba | |
| SN | Lake in SE Manitoba. As of 1993, use Lac du Bonnet Manitoba for the town. Added to Thesaurus in 1989. |
| Lac du Bonnet Batholith | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Manitoba | |
| ...Lac du Bonnet Batholith | |
| RT | Lac du Bonnet |
| Underground Research Laboratory | |
| SN | Intrusion; site for nuclear waste disposal management in SE Manitoba. Added to Thesaurus in 1989. |
| Lac du Bonnet Manitoba | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Manitoba | |
| ...Lac du Bonnet Manitoba | |
| RT | Lac du Bonnet |
| SN | Town in SE Manitoba. |
| Lac du Bouchet | |
|---|---|
| BT | ute-Loire France |
| .Lac du Bouchet | |
| UF | Bouchet Lake |
| Lake Bouchet | |
| RT | Velay |
| SN | Maar lake in Velay region of Central Massif, Haute Loire, S central France. Added to Thesaurus in 1995. |
| Lac La Ronge | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Saskatchewan | |
| ...Lac La Ronge | |
| UF | Lake La Ronge |
| RT | La Ronge Saskatchewan |
| SN | Lake in N central Saskatchewan. |
| Lac qui Parle County Minnesota | |
|---|---|
| BT | United States |
| .Minnesota | |
| ..Lac qui Parle County Minnesota | |
| Lac-Saint-Jean-Est County Quebec | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...Lac-Saint-Jean-Est County Quebec | |
| Lac-Saint-Jean-Ouest County Quebec | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...Lac-Saint-Jean-Ouest County Quebec | |
| Laccadive Islands | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Laccadive Islands | |
| RT | Indian Ocean Islands |
| SN | Off SW coast of India in Lakshadweep Territory. Added to Thesaurus in 1981. |
| laccoliths | |
|---|---|
| BT | intrusions |
| .laccoliths | |
| UF | cistern rock |
| RT | domes |
| batholiths | |
| dikes | |
| lopoliths | |
| Lacertilia | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Reptilia | |
| ....Diapsida | |
| .....Lepidosauria | |
| ......Squamata | |
| .......Lacertilia | |
| NT | Mosasauridae |
| SN | Suborder. |
| Lachlan fold belt | |
|---|---|
| BT | Australasia |
| .Australia | |
| ..Lachlan fold belt | |
| RT | Queensland Australia |
| New South Wales Australia | |
| Tasmania Australia | |
| Victoria Australia | |
| SN | E Australia, from E central Queensland to NE Tasmania. Added to Thesaurus in 1981. |
| Lackawanna County Pennsylvania | |
|---|---|
| BT | United States |
| .Pennsylvania | |
| ..Lackawanna County Pennsylvania | |
| Laclede County Missouri | |
|---|---|
| BT | United States |
| .Missouri | |
| ..Laclede County Missouri | |
| LaCoste-Romberg gravimeters | |
|---|---|
| BT | gravimeters |
| .LaCoste-Romberg gravimeters | |
| SN | Added to Thesaurus in 1981. |
| lacustrine | |
|---|---|
| SN | A valid term through 1977. After 1977, use lacustrine features or (as of 1981) lacustrine environment. |
| lacustrine features | |
|---|---|
| UF | features, lacustrine |
| RT | geomorphology |
| fluviolacustrine environment | |
| lacustrine environment | |
| beaches | |
| inlets | |
| bedforms | |
| bogs | |
| fens | |
| marshes | |
| crater lakes | |
| glacial lakes | |
| kames | |
| lakes | |
| ephemeral lakes | |
| extinct lakes | |
| fan deltas | |
| ice dams | |
| glaciolacustrine environment | |
| limnology | |
| meromictic lakes | |
| mi | |
| SN | Also search lacustrine. |
| lacustrine sedimentation | |
|---|---|
| BT | sedimentation |
| .lacustrine sedimentation | |
| NT | fluviolacustrine sedimentation |
| glaciolacustrine sedimentation | |
| RT | fluviolacustrine environment |
| lacustrine environment | |
| SN | Added to Thesaurus in 1981. |
| lacustrine sediments | |
|---|---|
| USE | lake sediments |
| Ladak | |
|---|---|
| USE | Ladakh |
| Ladakh | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..Jammu and Kashmir | |
| ...Ladakh | |
| UF | Ladak |
| RT | India |
| China | |
| Pakistan | |
| Indus-Yarlung Zangbo suture zone | |
| Karakoram | |
| SN | Region in Jammu and Kashmir. S Ladakh divided between India and Pakistan. Indexed with India and/or Pakistan as applicable. |
| Ladd Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Ladd Formation | |
| RT | California |
| Holz Shale | |
| SN | S California. Includes Holz Shale and Baker Conglomerate Member. Added to Thesaurus in 1989. |
| Ladinian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Triassic | |
| ....Middle Triassic | |
| .....Ladinian | |
| RT | Hallstatt Limestone |
| SN | Europe: upper Middle Triassic. Above Anisian, below Carnian. |
| Ladner Group | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....Ladner Group | |
| RT | Washington |
| British Columbia | |
| SN | S British Columbia and N Washington. Added to Thesaurus in 1989. |
| Ladoga Series | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Ladoga Series | |
| RT | Russian Federation |
| Finland | |
| Baltic Shield | |
| Karelia Russian Federation | |
| SN | Used for the Precambrian metamorphic unit in the Lake Ladoga region of the Russian Federation and Finland. Not to be confused with Quaternary deposits or Cambrian-Silurian sedimentary rocks of the same name in the same region. (These units will be assigne |
| Laetoli | |
|---|---|
| BT | Africa |
| .East Africa | |
| ..Tanzania | |
| ...Laetoli | |
| SN | Pliocene site of Tanzania. Added to Thesaurus in 1989. |
| Laetoli Beds | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Laetoli Beds | |
| UF | Laetolil Beds |
| RT | Tanzania |
| SN | Pleistocene. Tanzania. Added to Thesaurus in 1993. |
| Laetolil Beds | |
|---|---|
| USE | Laetoli Beds |
| Lafayette County Arkansas | |
|---|---|
| BT | United States |
| .Arkansas | |
| ..Lafayette County Arkansas | |
| RT | Walker Creek Field |
| SN | SW Arkansas. |
| Lafayette County Florida | |
|---|---|
| BT | United States |
| .Florida | |
| ..Lafayette County Florida | |
| SN | Bounded by Suwannee River in N Florida. |
| Lafayette County Mississippi | |
|---|---|
| BT | United States |
| .Mississippi | |
| ..Lafayette County Mississippi | |
| NT | Oxford Mississippi |
| SN | N Mississippi. |
| Lafayette County Missouri | |
|---|---|
| BT | United States |
| .Missouri | |
| ..Lafayette County Missouri | |
| SN | W central Missouri. |
| Lafayette County Wisconsin | |
|---|---|
| BT | United States |
| .Wisconsin | |
| ..Lafayette County Wisconsin | |
| SN | S Wisconsin. |
| Lafayette Parish Louisiana | |
|---|---|
| BT | United States |
| .Louisiana | |
| ..Lafayette Parish Louisiana | |
| SN | S central Louisiana. |
| Lafourche Parish Louisiana | |
|---|---|
| BT | United States |
| .Louisiana | |
| ..Lafourche Parish Louisiana | |
| RT | Barataria Bay |
| SN | Extreme SE Louisiana, bordering on the Gulf of Mexico. |
| Lagenidae | |
|---|---|
| BT | Invertebrata |
| .Protista | |
| ..Foraminifera | |
| ...Rotaliina | |
| ....Lagenidae | |
| RT | microfossils |
| SN | Indexed with microfossils if applicable. |
| Lageos | |
|---|---|
| UF | Laser Geodynamics Satellite |
| RT | geophysical methods |
| geophysical surveys | |
| remote sensing | |
| satellite methods | |
| laser ranging | |
| SN | Added to Thesaurus in 1985. |
| Lagerstaetten | |
|---|---|
| USE | Lagerstatten |
| Lagerstatten | |
|---|---|
| UF | fossil Lagerstatten |
| Lagerstaetten | |
| RT | paleontology |
| morphology | |
| fossils | |
| anatomy | |
| fossilization | |
| taphonomy | |
| faunal studies | |
| floral studies | |
| preservation | |
| soft parts | |
| SN | Derived from the German for any type of deposit. As of 1998 restricted to deposits of exceptionally preserved biotas. Before 1998, also search soft parts and fossilization. Added to Thesaurus in 1998. |
| Laghouat | |
|---|---|
| BT | Africa |
| .North Africa | |
| ..Algeria | |
| ...Laghouat | |
| SN | Oasis in N central Algeria. After 1993, use Laghouat Algeria for the town. |
| Lago Maggiore | |
|---|---|
| BT | Europe |
| .Lago Maggiore | |
| RT | Piemonte Italy |
| Lombardy Italy | |
| Ticino River | |
| Ticino Switzerland | |
| SN | Lake in N Italy and S Switzerland. Indexed with countries and canton or provinces as applicable. |
| Lagomorpha | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Mammalia | |
| ....Theria | |
| .....Eutheria | |
| ......Lagomorpha | |
| NT | Leporidae |
| lagoonal | |
|---|---|
| SN | A valid term through 1977. After 1977, use lagoons or (as of 1981) lagoonal environment or lagoonal sedimentation. |
| lagoonal environment | |
|---|---|
| RT | aquatic environment |
| deep-water environment | |
| depositional environment | |
| ecology | |
| hypersaline environment | |
| lagoonal sedimentation | |
| lagoons | |
| paleoecology | |
| sedimentation | |
| SN | Added to Thesaurus in 1981. |
| lagoonal sedimentation | |
|---|---|
| BT | sedimentation |
| .lagoonal sedimentation | |
| RT | lagoonal environment |
| SN | Added to Thesaurus in 1981. |
| lagoons | |
|---|---|
| BT | shore features |
| .lagoons | |
| RT | sedimentation |
| ecology | |
| paleoecology | |
| geomorphology | |
| lagoonal environment | |
| segmentation | |
| atolls | |
| reefs | |
| beaches | |
| barrier reefs | |
| coastal environment | |
| lakes | |
| SN | As of 1981, use lagoonal environment for type of environment. Restricted to the natural feature. |
| Lagos Lagoon | |
|---|---|
| BT | Africa |
| .West Africa | |
| ..Nigeria | |
| ...Lagos Lagoon | |
| SN | Between Lagos Island just off the Gulf of Guinea and the mainland. City of Lagos at W end of lagoon. Also search Lagos. |
| Lagrange County Indiana | |
|---|---|
| BT | Indiana |
| .Lagrange County Indiana | |
| Laguna Madre | |
|---|---|
| RT | Baffin Bay |
| Gulf of Mexico | |
| Kenedy County Texas | |
| Mexico | |
| Padre Island | |
| Tamaulipas Mexico | |
| Texas | |
| SN | Inlet of the Gulf of Mexico located between Padre Island and mainland S Texas, S of Corpus Christi. Also an inlet of the Gulf of Mexico off the coast of Tamaulipas, E Mexico. Indexed with regions as applicable. Added to Thesaurus in 1989. |
| lahars | |
|---|---|
| BT | mass movements |
| .lahars | |
| RT | volcanism |
| geomorphology | |
| lava flows | |
| mudflows | |
| Lahn River | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...Lahn River | |
| RT | Rhineland-Palatinate Germany |
| Hesse Germany | |
| SN | Flows S and SW into the Rhine River SE of Koblenz. Also search Lahn. Indexed with states as applicable. |
| Lahn River valley | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...Lahn River valley | |
| RT | Rhineland-Palatinate Germany |
| Hesse Germany | |
| SN | Also search Lahn. Indexed with states as applicable. |
| laihunite | |
|---|---|
| BT | silicates |
| .orthosilicates | |
| ..nesosilicates | |
| ...laihunite | |
| UF | ferrifayalite |
| Laisvall Sweden | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Scandinavia | |
| ...Sweden | |
| ....Norrbotten Sweden | |
| .....Laisvall Sweden | |
| SN | Village in N Sweden. |
| Lak |
|---|
| Lake Agassiz | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Lake Agassiz | |
| RT | North Dakota |
| North America | |
| Minnesota | |
| Manitoba | |
| SN | Glacial lake which existed in Pleistocene Epoch. Covered parts of N central U.S. and S central Canada. Indexed with Manitoba and U.S. states as applicable. |
| Lake Albert | |
|---|---|
| BT | Africa |
| .East African Lakes | |
| ..Lake Albert | |
| UF | Lake Mobutu |
| RT | Congo Democratic Republic |
| Uganda | |
| East African Rift | |
| Upper Zaire Congo Democratic Republic | |
| SN | Indexed with Uganda and/or Congo Democratic Republic as applicable. |
| Lake Algonquin | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Lake Algonquin | |
| RT | Ontario |
| Wisconsin | |
| North America | |
| Minnesota | |
| Michigan | |
| Lake Superior region | |
| SN | Pleistocene glacial lake. Occupied sites of modern lakes Superior, Michigan and Huron, and adjacent land areas. Indexed with Ontario and U.S. states as applicable. Added to Thesaurus in 1985. |
| Lake Athabasca | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Lake Athabasca | |
| RT | Alberta |
| Saskatchewan | |
| Athabasca District | |
| SN | NW Saskatchewan and NE Alberta. Indexed with provinces as applicable. Added to Thesaurus in 1985. |
| Lake Baikal | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Lake Baikal | |
| BT | Asia |
| .Lake Baikal | |
| UF | Baikal (Lake) |
| RT | Irkutsk Russian Federation |
| Buryat Russian Federation | |
| Baikal region | |
| Baikal rift zone | |
| SN | Largest freshwater lake in Eurasia. Bounded on N, E, and S by the Buryatia, and on the W by Irkutsk Oblast. Also search Baikal AND lake or lakes. This term has multiple hierarchies. |
| Lake Balaton | |
|---|---|
| BT | szprem Hungary |
| .Lake Balaton | |
| UF | Balaton (Lake) |
| RT | Balaton region |
| SN | W Hungary. |
| Lake Balkhash | |
|---|---|
| BT | Commonwealth of Independent States |
| .Kazakhstan | |
| ..Lake Balkhash | |
| UF | Balkhash (Lake) |
| RT | Balkhash region |
| SN | E Kazakhstan. This term has multiple hierarchies. |
| Lake Baringo | |
|---|---|
| BT | Africa |
| .East African Lakes | |
| ..Lake Baringo | |
| UF | Baringo Lake |
| RT | Great Rift Valley |
| Kenya | |
| Kenya Rift valley | |
| SN | W central Kenya, in Great Rift Valley. Added to Thesaurus in 1981. |
| lake biscuits | |
|---|---|
| USE | algal biscuits |
| Lake Biwa | |
|---|---|
| BT | nshu |
| .Shiga Japan | |
| ..Lake Biwa | |
| UF | Biwa Lake |
| Omi (Lake) | |
| SN | W central Honshu. Also search Biwa. |
| Lake Bonneville | |
|---|---|
| RT | Great Salt Lake |
| Holocene | |
| Idaho | |
| Nevada | |
| United States | |
| Upper Pleistocene | |
| Utah | |
| SN | Large prehistoric body of water in present Great Salt Lake area. Indexed with states and age or ages as applicable. |
| Lake Bonney | |
|---|---|
| RT | South Australia |
| Taylor Valley | |
| Victoria Land | |
| SN | Lake in SE South Australia. Also in Taylor Valley of Victoria Land, Antarctica. Indexed with location as applicable. |
| Lake Bouchet | |
|---|---|
| USE | Lac du Bouchet |
| Lake Chad | |
|---|---|
| BT | Africa |
| .West Africa | |
| ..Lake Chad | |
| RT | Cameroon |
| Nigeria | |
| Niger | |
| Chad Basin | |
| Chad | |
| SN | Indexed with countries as applicable. |
| Lake Champlain | |
|---|---|
| BT | North America |
| .Lake Champlain | |
| RT | Quebec |
| Vermont | |
| New York | |
| Champlain Sea | |
| Champlain Valley | |
| SN | Between New York and Vermont extending into Quebec. Indexed with Quebec and states as applicable. |
| Lake Char Fault | |
|---|---|
| BT | United States |
| .Lake Char Fault | |
| RT | Massachusetts |
| Connecticut | |
| Rhode Island | |
| SN | SE New England. Indexed with states as applicable. Added to Thesaurus in 1985. |
| Lake Chatuge | |
|---|---|
| BT | United States |
| .Lake Chatuge | |
| RT | North Carolina |
| Georgia | |
| Clay County North Carolina | |
| Towns County Georgia | |
| SN | Indexed with counties as applicable. |
| Lake Chicago | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Lake Chicago | |
| RT | United States |
| Illinois | |
| Indiana | |
| Wisconsin | |
| Michigan | |
| Great Lakes region | |
| SN | Pleistocene glacial lake in the Great Lakes region. Indexed with states as applicable. Added to Thesaurus in 1989. |
| Lake Como (Italy) | |
|---|---|
| USE | Como |
| Lake Constance | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Lake Constance | |
| UF | Bodensee |
| Constance Lake | |
| RT | Switzerland |
| Bavaria Germany | |
| Baden-Wurttemberg Germany | |
| Rhine River | |
| Rhine Basin | |
| Vorarlberg Austria | |
| SN | Indexed with countries as applicable. |
| Lake County California | |
|---|---|
| BT | United States |
| .California | |
| ..Lake County California | |
| RT | Clear Lake |
| SN | NW California. |
| Lake County Colorado | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Lake County Colorado | |
| NT | Climax Colorado |
| Leadville Colorado | |
| Leadville mining district | |
| Saint Kevin Gulch | |
| RT | Climax Mine |
| SN | Central Colorado. |
| Lake County Florida | |
|---|---|
| BT | United States |
| .Florida | |
| ..Lake County Florida | |
| SN | Bounded by Saint Johns River in central Florida. |
| Lake County Illinois | |
|---|---|
| BT | United States |
| .Illinois | |
| ..Lake County Illinois | |
| SN | Bounded by Lake Michigan in extreme NE Illinois. |
| Lake County Indiana | |
|---|---|
| BT | Indiana |
| .Lake County Indiana | |
| SN | Extreme NW Indiana. |
| Lake County Michigan | |
|---|---|
| BT | United States |
| .Michigan | |
| ..Michigan Lower Peninsula | |
| ...Lake County Michigan | |
| SN | W Michigan. |
| Lake County Minnesota | |
|---|---|
| BT | United States |
| .Minnesota | |
| ..Lake County Minnesota | |
| NT | Two Harbors Minnesota |
| RT | Vermilion Range |
| SN | NE Minnesota. |
| Lake County Montana | |
|---|---|
| BT | United States |
| .Montana | |
| ..Lake County Montana | |
| RT | Flathead Lake |
| SN | NW Montana. |
| Lake County Ohio | |
|---|---|
| BT | United States |
| .Ohio | |
| ..Lake County Ohio | |
| SN | NE Ohio. |
| Lake County Oregon | |
|---|---|
| BT | United States |
| .Oregon | |
| ..Lake County Oregon | |
| SN | S Oregon. |
| Lake County South Dakota | |
|---|---|
| BT | United States |
| .South Dakota | |
| ..Lake County South Dakota | |
| SN | E South Dakota. |
| Lake County Tennessee | |
|---|---|
| BT | United States |
| .Tennessee | |
| ..Lake County Tennessee | |
| RT | Reelfoot Lake |
| SN | Extreme NW Tennessee. |
| Lake District | |
|---|---|
| UF | English Lake District |
| RT | Cumbria England |
| Cumberland England | |
| Worcestershire England | |
| Westmorland England | |
| SN | Mountain and lake region in Cumbria, NW England. Until 1975, parts were included in Lancashire, Cumberland, and Westmorland counties. Indexed with England and counties as applicable. |
| Lake Edward | |
|---|---|
| BT | Africa |
| .East African Lakes | |
| ..Lake Edward | |
| RT | Congo Democratic Republic |
| Uganda | |
| East African Rift | |
| SN | S of Lake Albert. Indexed with countries as applicable. |
| Lake Erie | |
|---|---|
| BT | North America |
| .Great Lakes | |
| ..Lake Erie | |
| RT | Ontario |
| Ohio | |
| Pennsylvania | |
| New York | |
| Michigan | |
| Detroit River | |
| SN | Indexed with Ontario and states as applicable. |
| Lake Eyre | |
|---|---|
| BT | Australasia |
| .Australia | |
| ..South Australia | |
| ...Lake Eyre | |
| SN | NE South Australia. |
| Lake Frome | |
|---|---|
| BT | Australasia |
| .Australia | |
| ..South Australia | |
| ...Lake Frome | |
| SN | E South Australia. Added to Thesaurus in 1989. |
| Lake Geneva | |
|---|---|
| BT | Europe |
| .Lake Geneva | |
| UF | Lake Leman |
| Leman Lake | |
| RT | Haute-Savoie France |
| Valais Switzerland | |
| Geneva Switzerland | |
| Vaud Switzerland | |
| Rhone River | |
| Rhone Valley | |
| SN | Indexed with countries as applicable. |
| Lake George | |
|---|---|
| RT | Essex County New York |
| New York | |
| Washington County New York | |
| Warren County New York | |
| SN | NE New York. Indexed with counties or regions as applicable. |
| Lake Gosiute | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....Lake Gosiute | |
| RT | Green River Formation |
| Sweetwater County Wyoming | |
| SN | Eocene lake in SW Wyoming. Added to Thesaurus in 1981. |
| Lake Huron | |
|---|---|
| BT | North America |
| .Great Lakes | |
| ..Lake Huron | |
| RT | Ontario |
| Michigan | |
| Georgian Bay | |
| Manitoulin Island | |
| SN | Indexed with Michigan and/or Ontario. |
| Lake Iroquois | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Upper Pleistocene | |
| ......Lake Iroquois | |
| RT | Canada |
| Ontario | |
| United States | |
| New York | |
| Great Lakes region | |
| Lake Ontario | |
| SN | Glacial lake which existed in the Lake Ontario basin and adjacent area. Indexed with Lake Ontario and/or Ontario and U.S. states as applicable. |
| Lake Jocassee | |
|---|---|
| BT | United States |
| .South Carolina | |
| ..Lake Jocassee | |
| RT | Oconee County South Carolina |
| Pickens County South Carolina | |
| SN | Reservoir on Keowee River, NW South Carolina, near Seneca. Indexed with counties as applicable. Added to Thesaurus in 1981. |
| Lake Kariba | |
|---|---|
| BT | Africa |
| .East African Lakes | |
| ..Lake Kariba | |
| UF | Kariba Lake |
| RT | Zambezi Valley |
| Zimbabwe | |
| Zambia | |
| SN | Formed by dam in Kariba Gorge of Zambezi River. Indexed with countries as applicable. |
| Lake Kinneret | |
|---|---|
| USE | Sea of Galilee |
| Lake Kivu | |
|---|---|
| BT | Africa |
| .Central Africa | |
| ..Lake Kivu | |
| BT | Africa |
| .East African Lakes | |
| ..Lake Kivu | |
| RT | Congo Democratic Republic |
| East African Rift | |
| Rwanda | |
| Kivu Congo Democratic Republic | |
| SN | This term has multiple hierarchies. Indexed with countries as applicable. |
| Lake La Ronge | |
|---|---|
| USE | Lac La Ronge |
| Lake Ladoga | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Lake Ladoga | |
| BT | Europe |
| .Lake Ladoga | |
| SN | E and NE of Saint Petersburg. This term has multiple hierarchies. |
| Lake Ladoga region | |
|---|---|
| BT | Europe |
| .Lake Ladoga region | |
| RT | Russian Federation |
| Finland | |
| Baltic Shield | |
| Karelia Russian Federation | |
| Eastern Finland Province | |
| Karelia | |
| SN | Region surrounding Lake Ladoga, extending into Finland. Indexed with countries as applicable. Added to Thesaurus in 1981. |
| Lake Lahontan | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Lake Lahontan | |
| RT | United States |
| California | |
| Nevada | |
| Oregon | |
| SN | Extinct lake. Occupied parts of NW Nevada, NE California and SE Oregon during Pleistocene time. Indexed with states as applicable. Added to Thesaurus in 1985. |
| Lake Lappajarvi | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Scandinavia | |
| ...Finland | |
| ....Western Finland Province | |
| .....Lake Lappajarvi | |
| RT | impact features |
| SN | SW central Finland. |
| Lake Leman | |
|---|---|
| USE | Lake Geneva |
| Lake Louise | |
|---|---|
| RT | Alberta |
| Banff National Park | |
| SN | Village and small lake in Banff National Park in SW Alberta. As of 1993, use Lake Louise Alberta for the village. Also in other locations. Indexed with province or regions as applicable. |
| Lake Magadi | |
|---|---|
| BT | Africa |
| .East African Lakes | |
| ..Lake Magadi | |
| BT | Africa |
| .East Africa | |
| ..Kenya | |
| ...Lake Magadi | |
| RT | East African Rift |
| SN | Soda lake in S central Kenya. This term has multiple hierarchies. |
| Lake Malawi | |
|---|---|
| BT | Africa |
| .East Africa | |
| ..Lake Malawi | |
| BT | Africa |
| .East African Lakes | |
| ..Lake Malawi | |
| UF | Lake Nyasa |
| RT | East African Rift |
| Malawi | |
| Mozambique | |
| Tanzania | |
| SN | This term has multiple hierarchies. Indexed with countries as applicable. |
| Lake Maracaibo | |
|---|---|
| BT | South America |
| .Venezuela | |
| ..Lake Maracaibo | |
| RT | Zulia Venezuela |
| Maracaibo Basin | |
| Trujillo Venezuela | |
| SN | Lake in NW Venezuela. |
| Lake Matagami | |
|---|---|
| USE | Matagami |
| Lake Maumee | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Lake Maumee | |
| RT | Ontario |
| Indiana | |
| Ohio | |
| North America | |
| Michigan | |
| Great Lakes region | |
| SN | Pleistocene glacial lake in Ontario, Ohio, Michigan and Indiana. Indexed with states or provinces as applicable. Added to Thesaurus in 1989. |
| Lake Mead | |
|---|---|
| RT | Arizona |
| Clark County Nevada | |
| Lake Mead Fault | |
| Lost City | |
| Mohave County Arizona | |
| Nevada | |
| United States | |
| SN | Within Lake Mead National Recreation Area. Indexed with states and counties as applicable. |
| Lake Mead Fault | |
|---|---|
| BT | United States |
| .Nevada | |
| ..Lake Mead Fault | |
| RT | Lake Mead |
| SN | S Nevada. Added to Thesaurus in 1989. |
| Lake Mendota | |
|---|---|
| BT | United States |
| .Wisconsin | |
| ..Dane County Wisconsin | |
| ...Lake Mendota | |
| RT | Madison Wisconsin |
| SN | In Dane County, S central Wisconsin. |
| Lake Michigan | |
|---|---|
| BT | North America |
| .Great Lakes | |
| ..Lake Michigan | |
| RT | United States |
| Illinois | |
| Indiana | |
| Wisconsin | |
| Michigan | |
| Green Bay | |
| Wedron Formation | |
| SN | Indexed with states as applicable. |
| Lake Michigan Basin | |
|---|---|
| USE | Michigan Basin |
| Lake Michigan Lobe | |
|---|---|
| RT | Canada |
| Great Lakes region | |
| Illinois | |
| Indiana | |
| Laurentide ice sheet | |
| Michigan | |
| United States | |
| Wisconsin | |
| SN | Part of Laurentide ice sheet, Wisconsinan glaciation. |
| Lake Missoula | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Lake Missoula | |
| RT | United States |
| Idaho | |
| Montana | |
| Washington | |
| Oregon | |
| Channeled Scabland | |
| SN | Pleistocene glacial lake in NW United States. Indexed with states as applicable. Added to Thesaurus in 1985. |
| Lake Mobutu | |
|---|---|
| USE | Lake Albert |
| Lake Natron | |
|---|---|
| BT | Africa |
| .East Africa | |
| ..Lake Natron | |
| BT | Africa |
| .East African Lakes | |
| ..Lake Natron | |
| RT | East African Rift |
| Kenya | |
| Tanzania | |
| SN | This term has multiple hierarchies. Indexed with countries as applicable. |
| Lake Neusiedler | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Lake Neusiedler | |
| UF | Ferto to |
| Neusiedler Lake | |
| Neusiedlersee | |
| RT | Austria |
| Hungary | |
| Burgenland Austria | |
| SN | E Austria and NW Hungary. Indexed with countries as applicable. Added to Thesaurus in 1985. |
| Lake Nipissing | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Ontario | |
| ...Nipissing District Ontario | |
| ....Lake Nipissing | |
| RT | Callander Bay |
| SN | Nipissing District, SE Ontario. Added to Thesaurus in 1989. |
| Lake Nyasa | |
|---|---|
| USE | Lake Malawi |
| Lake Nyos | |
|---|---|
| BT | Africa |
| .West Africa | |
| ..Cameroon | |
| ...Lake Nyos | |
| UF | Nyos |
| SN | Volcanic crater lake in NW Cameroon. Site of carbon dioxide outgassing natural disasters. Added to Thesaurus in 1993. |
| Lake of Bienne | |
|---|---|
| USE | Biel Lake |
| Lake of Laach | |
|---|---|
| USE | Laacher See |
| Lake of the Woods | |
|---|---|
| BT | North America |
| .Lake of the Woods | |
| RT | Ontario |
| Minnesota | |
| Manitoba | |
| Lake of the Woods region | |
| SN | NW Ontario, SE Manitoba and N Minnesota. Indexed with provinces and/or Minnesota and counties as applicable. Added to Thesaurus in 1989. |
| Lake of the Woods County Minnesota | |
|---|---|
| BT | United States |
| .Minnesota | |
| ..Lake of the Woods County Minnesota | |
| Lake of the Woods region | |
|---|---|
| BT | North America |
| .Lake of the Woods region | |
| RT | Ontario |
| Minnesota | |
| Manitoba | |
| Lake of the Woods | |
| SN | N Minnesota, SW Ontario and SE Manitoba. Indexed with Minnesota and counties and/or Canadian provinces as applicable. Added to Thesaurus in 1985. |
| Lake of Zurich | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Switzerland | |
| ...Lake of Zurich | |
| RT | Zurich Switzerland |
| SN | N Switzerland. |
| Lake Okeechobee | |
|---|---|
| BT | United States |
| .Florida | |
| ..Lake Okeechobee | |
| SN | S central Florida. |
| Lake Onega | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Lake Onega | |
| BT | Europe |
| .Lake Onega | |
| RT | Karelia Russian Federation |
| Karelia | |
| Onega Russian Federation | |
| SN | In Karelia Autonomous Republic. This term has multiple hierarchies. |
| Lake Ontario | |
|---|---|
| BT | North America |
| .Great Lakes | |
| ..Lake Ontario | |
| RT | Ontario |
| New York | |
| Lake Iroquois | |
| SN | Indexed with New York and/or Ontario as applicable. |
| Lake Pontchartrain | |
|---|---|
| BT | United States |
| .Louisiana | |
| ..Lake Pontchartrain | |
| SN | S Louisiana. Indexed with parishes as applicable. |
| Lake Powell | |
|---|---|
| BT | United States |
| .Lake Powell | |
| RT | Utah |
| Arizona | |
| Coconino County Arizona | |
| Garfield County Utah | |
| San Juan County Utah | |
| Glen Canyon Dam | |
| Kane County Utah | |
| SN | Artificial lake in S Utah and N Arizona, in Glen Canyon National Recreation Area. Indexed with states and counties as applicable. |
| Lake Rudolf | |
|---|---|
| USE | Lake Turkana |
| Lake Rudolph | |
|---|---|
| USE | Lake Turkana |
| Lake Saint Clair | |
|---|---|
| RT | Detroit River |
| Great Lakes region | |
| Macomb County Michigan | |
| Michigan | |
| Michigan Lower Peninsula | |
| North America | |
| Ontario | |
| Saint Clair County Michigan | |
| Thames River | |
| Wayne County Michigan | |
| SN | SE Michigan and SW Ontario. Indexed with North America or Michigan and U.S. counties or and/or Ontario as applicable. Added to Thesaurus in 1989. |
| lake sediments | |
|---|---|
| UF | lacustrine sediments |
| RT | glacial geology |
| sediments | |
| fluviolacustrine environment | |
| lacustrine environment | |
| geochemical surveys | |
| mineral exploration | |
| lakes | |
| glaciolacustrine environment | |
| glaciolacustrine sedimentation | |
| SN | Before 1998, used chiefly for economic studies. Also search (lacustrine environment OR fluviolacustrine environment OR glaciolacustrine environment) AND sediments. Before 1981, also search sediments AND lakes. Added to Thesaurus in 1981. |
| Lake Sevan | |
|---|---|
| BT | Europe |
| .Armenia | |
| ..Lake Sevan | |
| RT | Razdan River |
| Sevan Armenia | |
| SN | N Armenia. This term has multiple hierarchies. |
| Lake Superior | |
|---|---|
| BT | North America |
| .Great Lakes | |
| ..Lake Superior | |
| RT | Ontario |
| Wisconsin | |
| Minnesota | |
| Michigan | |
| Batchawana Bay | |
| Lake Superior region | |
| Keweenaw Peninsula | |
| Thunder Bay | |
| SN | Indexed with Ontario and states as applicable. |
| Lake Superior Basin | |
|---|---|
| USE | Lake Superior region |
| Lake Superior region | |
|---|---|
| BT | North America |
| .Lake Superior region | |
| UF | Lake Superior Basin |
| RT | Ontario |
| Wisconsin | |
| Minnesota | |
| Michigan | |
| Lake Superior | |
| Great Lakes region | |
| Lake Algonquin | |
| Southern Province | |
| SN | Term reintroduced in 1985. Also search Lake Superior. Not a valid term from 1972-1984. Indexed with Lake Superior, Ontario and states as applicable. Added to Thesaurus in 1985. |
| Lake Suwa | |
|---|---|
| BT | nshu |
| .Nagano Japan | |
| ..Lake Suwa | |
| SN | W central Honshu. |
| Lake Tahoe | |
|---|---|
| BT | United States |
| .Lake Tahoe | |
| RT | California |
| Nevada | |
| Douglas County Nevada | |
| El Dorado County California | |
| Placer County California | |
| Washoe County Nevada | |
| SN | E California and W Nevada. Indexed with states and counties as applicable. |
| Lake Tanganyika | |
|---|---|
| BT | Africa |
| .East African Lakes | |
| ..Lake Tanganyika | |
| RT | Congo Democratic Republic |
| Zambia | |
| Burundi | |
| East African Rift | |
| Tanzania | |
| SN | Indexed with countries as applicable. |
| Lake Taupo | |
|---|---|
| BT | Australasia |
| .New Zealand | |
| ..Lake Taupo | |
| RT | North Island |
| SN | Central North Island, New Zealand. Also index North Island. Added to Thesaurus in 1989. |
| Lake Temiscamingue | |
|---|---|
| USE | Lake Timiskaming |
| Lake Temiskaming | |
|---|---|
| USE | Lake Timiskaming |
| Lake Tiberias | |
|---|---|
| USE | Sea of Galilee |
| Lake Timiskaming | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Lake Timiskaming | |
| UF | Lake Temiscamingue |
| Lake Temiskaming | |
| Temiscamingue Lake | |
| Temiskaming Lake | |
| Timiskaming Lake | |
| RT | Ontario |
| Quebec | |
| Timiskaming District Ontario | |
| Temiscamingue County Quebec | |
| SN | In SW Quebec and E central Ontario. Before 1985, also search Timiskaming. Indexed with provinces as applicable. Added to Thesaurus in 1981. |
| Lake Titicaca | |
|---|---|
| BT | South America |
| .Lake Titicaca | |
| RT | Altiplano |
| La Paz Bolivia | |
| Puno Peru | |
| SN | Indexed with countries as applicable. |
| Lake Torrens | |
|---|---|
| BT | Australasia |
| .Australia | |
| ..South Australia | |
| ...Lake Torrens | |
| SN | E central South Australia. |
| Lake Turkana | |
|---|---|
| BT | Africa |
| .East Africa | |
| ..Lake Turkana | |
| BT | Africa |
| .East African Lakes | |
| ..Lake Turkana | |
| UF | Lake Rudolf |
| Lake Rudolph | |
| Rudolf (Lake) | |
| RT | Ethiopia |
| Sudan | |
| East African Rift | |
| Kenya | |
| Turkana Basin | |
| SN | New name for Lake Rudolf. Primarily in Kenya. This term has multiple hierarchies. Indexed with countries as applicable. |
| Lake Uinta | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....Lake Uinta | |
| RT | United States |
| Utah | |
| Wyoming | |
| Colorado | |
| SN | Extinct lake. Occupied parts of W Colorado, SW Wyoming and E Utah during Eocene time. Indexed with states as applicable. Added to Thesaurus in 1985. |
| Lake Valley Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Mississippian | |
| .....Lower Mississippian | |
| ......Lake Valley Formation | |
| RT | New Mexico |
| SN | Includes Alamogordo, Arcente, Dona Ana, and Nunn members. |
| Lake Vanda | |
|---|---|
| BT | Antarctica |
| .Victoria Land | |
| ..Lake Vanda | |
| SN | Saline lake in dry-valleys region of S Victoria Land, near McMurdo Sound. Added to Thesaurus in 1981. |
| Lake Victoria | |
|---|---|
| BT | Africa |
| .East Africa | |
| ..Lake Victoria | |
| BT | Africa |
| .East African Lakes | |
| ..Lake Victoria | |
| RT | Uganda |
| Kenya | |
| Tanzania | |
| SN | This term has multiple hierarchies. Indexed with countries as applicable. |
| Lake Washington | |
|---|---|
| RT | King County Washington |
| Minnesota | |
| Washington | |
| SN | NW Washington, near Seattle; Meeker County, S central Minnesota, and elsewhere. Indexed with states and counties as applicable. Added to Thesaurus in 1989. |
| Lake Winnipeg | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Manitoba | |
| ...Lake Winnipeg | |
| SN | S central Manitoba. |
| lake-level changes | |
|---|---|
| RT | lacustrine environment |
| lakes | |
| levels | |
| paleogeography | |
| regression | |
| shorelines | |
| stratigraphy | |
| transgression | |
| SN | Also search (lacustrine environment OR lacustrine sedimentation) AND (changes of level OR levels). Added to Thesaurus in 1998. |
| lakes | |
|---|---|
| NT | crater lakes |
| ephemeral lakes | |
| glacial lakes | |
| meromictic lakes | |
| RT | drainage |
| ecology | |
| eutrophication | |
| extinct lakes | |
| geomorphology | |
| glacial features | |
| glaciolacustrine environment | |
| hydrogen sulfide | |
| hydrology | |
| hydrosphere | |
| lacustrine environment | |
| lacustrine features | |
| lagoons | |
| lake sediments | |
| lake-level changes | |
| lava lakes | |
| limnology | |
| pale | |
| SN | Used for the geomorphologic feature. As of 1981, use lacustrine environment for type of environment. Before 1972, was sometimes used in combination with extinct (i.e. lakes, extinct). Now use extinct lakes. Also index lacustrine features as applicable. |
| Lakota Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Lower Cretaceous | |
| .....Lakota Formation | |
| RT | Wyoming |
| Montana | |
| Nebraska | |
| South Dakota | |
| Inyan Kara Group | |
| SN | In Inyan Kara Group. Montana, W South Dakota, NE Nebraska and E Wyoming. Added to Thesaurus in 1985. |
| Lakshmi Planum | |
|---|---|
| BT | Venus |
| .Ishtar Terra | |
| ..Lakshmi Planum | |
| SN | High plateau region, W Ishtar Terra. Before 1993, also search Lakshmi Plateau AND Venus. Added to Thesaurus in 1993. |
| Lamar County Alabama | |
|---|---|
| BT | United States |
| .Alabama | |
| ..Lamar County Alabama | |
| SN | W Alabama. |
| Lamar County Georgia | |
|---|---|
| BT | United States |
| .Georgia | |
| ..Lamar County Georgia | |
| SN | W central Georgia. |
| Lamar County Mississippi | |
|---|---|
| BT | United States |
| .Mississippi | |
| ..Lamar County Mississippi | |
| SN | SE Mississippi. |
| Lamar County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Lamar County Texas | |
| SN | NE Texas. |
| Lamb County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Lamb County Texas | |
| Lambton County Ontario | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Ontario | |
| ...Lambton County Ontario | |
| SN | S Ontario. |
| lamellae | |
|---|---|
| RT | deformation |
| minerals | |
| SN | Restricted to use with minerals. Not used in biological sense. |
| Lamellibranchiata | |
|---|---|
| USE | Bivalvia |
| laminar flow | |
|---|---|
| RT | critical flow |
| fluid dynamics | |
| ground water | |
| hydraulics | |
| hydrodynamics | |
| hydrology | |
| sediment transport | |
| sedimentation | |
| SN | Added to Thesaurus in 1982. |
| laminations | |
|---|---|
| BT | sedimentary structures |
| .planar bedding structures | |
| ..laminations | |
| RT | foliation |
| bedding | |
| cross-bedding | |
| stratification | |
| Bouma sequence | |
| laminite | |
| cross-laminations | |
| ripple drift-cross laminations | |
| SN | Before 1976, also search lamination. |
| laminite | |
|---|---|
| RT | clastic rocks |
| detritus | |
| flysch | |
| laminations | |
| planar bedding structures | |
| rhythmite | |
| turbidite | |
| SN | Used as either a sedimentary rock or as a sedimentary structure. Also index clastic rocks or planar bedding structures as applicable. Added to Thesaurus in 1995. |
| Lamnidae | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Pisces | |
| ...Chondrichthyes | |
| ....Elasmobranchii | |
| .....Selachii | |
| ......Galeoidea | |
| .......Lamnidae | |
| SN | Family. |
| Lamoille County Vermont | |
|---|---|
| BT | United States |
| .Vermont | |
| ..Lamoille County Vermont | |
| Lamont-Doherty Earth Observatory | |
|---|---|
| UF | Lamont-Doherty Geological Observatory |
| LDEO | |
| RT | academic institutions |
| New York | |
| SN | In Palisades, SE New York. Part of Columbia University. |
| Lamont-Doherty Geological Observatory | |
|---|---|
| USE | Lamont-Doherty Earth Observatory |
| Lamott Sandstone | |
|---|---|
| USE | Lamotte Sandstone |
| Lamotte Sandstone | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Cambrian | |
| ....Upper Cambrian | |
| .....Lamotte Sandstone | |
| UF | Lamott Sandstone |
| RT | Missouri |
| SN | E and central Missouri. Added to Thesaurus in 1985. |
| Lamoure County North Dakota | |
|---|---|
| BT | United States |
| .North Dakota | |
| ..Lamoure County North Dakota | |
| Lampang Thailand | |
|---|---|
| BT | Asia |
| .Far East | |
| ..Thailand | |
| ...Lampang Thailand | |
| SN | City and province in NW Thailand. |
| Lampasas County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Lampasas County Texas | |
| lamproite | |
|---|---|
| BT | igneous rocks |
| .plutonic rocks | |
| ..lamprophyres | |
| ...lamproite | |
| lamproite pipes | |
|---|---|
| SN | Not a valid term for GeoRef. Search lamproite AND (pipes OR diatremes). |
| lamprophyre and carbonatite family | |
|---|---|
| SN | As of 1981, no longer a valid term for GeoRef. Use lamprophyres or carbonatites as applicable. |
| lamprophyres | |
|---|---|
| BT | igneous rocks |
| .plutonic rocks | |
| ..lamprophyres | |
| NT | alnoite |
| camptonite | |
| kersantite | |
| lamproite | |
| minette | |
| monchiquite | |
| spessartite | |
| vogesite | |
| SN | Before 1981, search lamprophyre and carbonatite family. |
| Lanark County Ontario | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Ontario | |
| ...Lanark County Ontario | |
| NT | Perth Ontario |
| Lancang-Gengma earthquake 1988 | |
|---|---|
| BT | earthquakes |
| .Lancang-Gengma earthquake 1988 | |
| UF | Gengma-Lancang earthquake 1988 |
| RT | China |
| Yunnan China | |
| SN | E Yunnan, China. Added to Thesaurus in 1993. |
| Lancara Form |
|---|
| Lancara Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Cambrian | |
| ....Lancara Formation | |
| RT | Middle Cambrian |
| Spain | |
| Lower Cambrian | |
| SN | Lower and Middle Cambrian. Formerly considered Middle Cambrian. Overlies Herreira Sandstone. NW Spain. Indexed with Lower Cambrian and/or Middle Cambrian as applicable. |
| Lancashire England | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....England | |
| .....Lancashire England | |
| NT | Clitheroe England |
| RT | Morecambe Bay |
| Liverpool Bay | |
| Manchester England | |
| SN | County in NW England. In 1974, parts were taken to form two new counties, Merseyside and Greater Manchester. |
| Lancaster County Nebraska | |
|---|---|
| BT | United States |
| .Nebraska | |
| ..Lancaster County Nebraska | |
| SN | SE Nebraska. |
| Lancaster County Pennsylvania | |
|---|---|
| BT | United States |
| .Pennsylvania | |
| ..Lancaster County Pennsylvania | |
| SN | SE Pennsylvania. |
| Lancaster County South Carolina | |
|---|---|
| BT | United States |
| .South Carolina | |
| ..Lancaster County South Carolina | |
| SN | N South Carolina. |
| Lancaster County Virginia | |
|---|---|
| BT | United States |
| .Virginia | |
| ..Lancaster County Virginia | |
| SN | E Virginia. |
| Lancaster Sound | |
|---|---|
| BT | Canada |
| .Northwest Territories | |
| ..Franklin District Northwest Territories | |
| ...Lancaster Sound | |
| BT | Canada |
| .Eastern Canada | |
| ..Lancaster Sound | |
| SN | Channel between Devon Island and N Baffin Island in E Franklin District. This term has multiple hierarchies. |
| Lance Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Lance Formation | |
| RT | Wyoming |
| Montana | |
| Colorado | |
| North Dakota | |
| South Dakota | |
| SN | Includes Colgate Sandstone Member, Cannonball Marine Member, Ludlow Lignitic Member, Tullock Member, Hell Creek Member, Torrington Member, and Ilo Ridge Member. Montana, W North Dakota, W South Dakota, and Wyoming. |
| Lanchou China | |
|---|---|
| USE | Lanzhou China |
| Lanchow China | |
|---|---|
| USE | Lanzhou China |
| land bridges | |
|---|---|
| RT | biogeography |
| continental drift | |
| faunal provinces | |
| floral provinces | |
| migration | |
| paleogeography | |
| sea-level changes | |
| SN | Added to Thesaurus in 1985. |
| land canyons | |
|---|---|
| USE | canyons |
| land cover maps | |
|---|---|
| BT | maps |
| .land use maps | |
| ..land cover maps | |
| RT | land use |
| natural resources | |
| environmental geology maps | |
| SN | Also search land cover and maps. Added to Thesaurus in 1993. |
| land forms | |
|---|---|
| USE | landforms |
| land leases | |
|---|---|
| RT | conservation |
| reclamation | |
| land loss | |
|---|---|
| RT | degradation |
| erosion | |
| erosion rates | |
| floods | |
| geologic hazards | |
| land subsidence | |
| land use | |
| polders | |
| reclamation | |
| sea-level changes | |
| shorelines | |
| soil erosion | |
| utilization | |
| SN | For the environmental problem of loss of land from causes such as erosion, coastal subsidence, sea-level rise or major degradation of land quality. Also index specific type. Added to Thesaurus in 1998. |
| land management | |
|---|---|
| RT | agriculture |
| basin management | |
| conservation | |
| decision-making | |
| environmental effects | |
| land use | |
| legislation | |
| natural resources | |
| public policy | |
| public lands | |
| regulations | |
| U. S. Bureau of Land Management | |
| wilderness areas | |
| SN | Added to Thesaurus in 1998. |
| land reclamation | |
|---|---|
| USE | reclamation |
| land subsi |
|---|
| land subsidenc |
|---|
| land subsidence | |
|---|---|
| RT | abandoned mines |
| collapse structures | |
| compactness | |
| dams | |
| engineering geology | |
| explosions | |
| foundations | |
| geologic hazards | |
| highways | |
| land loss | |
| mechanics | |
| mines | |
| oil and gas fields | |
| railroads | |
| rock mechanics | |
| settlement | |
| site exploration | |
| slope stability | |
| soil mechanics | |
| solu | |
| SN | Used for geotechnical studies on land subsidence. |
| land use maps | |
|---|---|
| BT | maps |
| .land use maps | |
| NT | land cover maps |
| RT | environmental geology |
| land use | |
| environmental geology maps | |
| SN | Before 1983, also search land use AND maps. Added to Thesaurus in 1983. |
| Land's End | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....England | |
| .....Cornwall England | |
| ......Land's End | |
| UF | Lands End |
| SN | Cape. SW end of Cornwall. |
| Landenian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Paleocene | |
| .....upper Paleocene | |
| ......Landenian | |
| SN | Belgium. |
| Lander County Nevada | |
|---|---|
| BT | United States |
| .Nevada | |
| ..Lander County Nevada | |
| RT | Toquima Range |
| Battle Mountain | |
| Copper Canyon | |
| Shoshone Mountains | |
| Toiyabe Range | |
| SN | N central Nevada. |
| Landers California | |
|---|---|
| BT | United States |
| .California | |
| ..San Bernardino County California | |
| ...Landers California | |
| SN | Mojave Desert, S California. |
| Landers earthquake 1992 | |
|---|---|
| BT | earthquakes |
| .Landers earthquake 1992 | |
| RT | California |
| Mojave Desert | |
| Big Bear earthquake 1992 | |
| Joshua Tree earthquake 1992 | |
| Southern California | |
| Little Skull Mountain earthquake 1992 | |
| SN | Epicenter near Landers, San Bernardino County, S California. Big Bear earthquake 1992 is a major aftershock. Added to Thesaurus in 1995. |
| Landes France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Landes France | |
| NT | Capbreton France |
| RT | Adour Basin |
| SN | Department in SW France. |
| landfills | |
|---|---|
| NT | sanitary landfills |
| RT | disposal barriers |
| engineering geology | |
| environmental geology | |
| far-field | |
| near-field | |
| underground disposal | |
| waste disposal | |
| waste disposal sites | |
| waste management | |
| landform description | |
|---|---|
| RT | aerial photography |
| description | |
| exhumation | |
| geomorphology | |
| landform evolution | |
| landforms | |
| landscapes | |
| morphometry | |
| mountains | |
| relief | |
| surficial geology | |
| SN | Before 1975, also search surficial geology. |
| landforms | |
|---|---|
| UF | land forms |
| relief features | |
| RT | plains |
| geomorphology | |
| landform description | |
| mountains | |
| landform evolution | |
| valleys | |
| inliers | |
| steppes | |
| plateaus | |
| hills | |
| landscapes | |
| relief exposure | |
| tundra | |
| landing sites | |
|---|---|
| UF | sites, landing |
| RT | Moon |
| Mars | |
| Venus | |
| Apollo Program | |
| lunar bases | |
| Viking Program | |
| Lands End | |
|---|---|
| USE | Land's End |
| Landsat | |
|---|---|
| RT | geophysical methods |
| geophysical surveys | |
| image enhancement | |
| imagery | |
| multispectral scanner | |
| remote sensing | |
| satellite methods | |
| telemetry | |
| thematic mapper | |
| SN | Before 1978, also search ERTS; ERTS-1. |
| landscape evolution | |
|---|---|
| USE | landform evolution |
| landscapes | |
|---|---|
| RT | geomorphology |
| landform description | |
| landforms | |
| tundra | |
| Lane County Kansas | |
|---|---|
| BT | United States |
| .Kansas | |
| ..Lane County Kansas | |
| SN | W central Kansas. |
| Lane County Oregon | |
|---|---|
| BT | United States |
| .Oregon | |
| ..Lane County Oregon | |
| SN | On Pacific Ocean in W Oregon. |
| Lanersbach Austria | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Austria | |
| ...Tyrol Austria | |
| ....Lanersbach Austria | |
| SN | Village SE of Innsbruck in central Tyrol, W Austria. |
| Laneuveville-devant-Nancy Boring | |
|---|---|
| RT | Meurthe-et-Moselle France |
| SN | Boring at or near outer SE suburb of Nancy. Indexed with location. |
| Laney Shale Member | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....middle Eocene | |
| ......Laney Shale Member | |
| RT | Wyoming |
| Colorado | |
| Green River Formation | |
| SN | Of Green River Formation. SW Wyoming. |
| langbeinite | |
|---|---|
| BT | sulfates |
| .langbeinite | |
| Langebaanweg South Africa | |
|---|---|
| BT | Africa |
| .Southern Africa | |
| ..South Africa | |
| ...Western Cape Province South Africa | |
| ....Langebaanweg South Africa | |
| RT | Cape Province region |
| SN | Village in SW South Africa. |
| Langesund Fjord | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Scandinavia | |
| ...Norway | |
| ....Telemark Norway | |
| .....Langesund Fjord | |
| RT | Skagerrak |
| SN | Inlet of the Skagerrak. |
| Langhe | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Langhe | |
| RT | Piemonte Italy |
| SN | Region NW of Genoa. |
| Langhian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Miocene | |
| .....Langhian | |
| SN | Europe. |
| Langkawi Islands | |
|---|---|
| BT | Asia |
| .Far East | |
| ..Malaysia | |
| ...West Malaysia | |
| ....Langkawi Islands | |
| RT | Kedah Malaysia |
| SN | Group in Andaman Sea near entrance to Strait of Malacca. Administrated by Kedah state in West Malaysia. Also search Langkawi. This term has multiple hierarchies. |
| Langlade County Wisconsin | |
|---|---|
| BT | United States |
| .Wisconsin | |
| ..Langlade County Wisconsin | |
| Langmuir equation | |
|---|---|
| RT | adsorption |
| equations | |
| geochemistry | |
| soils | |
| SN | Added to Thesaurus in 1985. |
| Languedoc | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Languedoc | |
| SN | Historical region of S France. |
| Lanier County Georgia | |
|---|---|
| BT | United States |
| .Georgia | |
| ..Lanier County Georgia | |
| Lansing Group | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Pennsylvanian | |
| .....Upper Pennsylvanian | |
| ......Missourian | |
| .......Lansing Group | |
| RT | Kansas |
| Plattsburg Limestone | |
| Stanton Formation | |
| SN | Includes Lane Shale, Plattsburg Limestone, Vilas Shale, Stanton Limestone. |
| Lansing Michigan | |
|---|---|
| BT | United States |
| .Michigan | |
| ..Michigan Lower Peninsula | |
| ...Lansing Michigan | |
| RT | Clinton County Michigan |
| Eaton County Michigan | |
| Ingham County Michigan | |
| SN | City in Clinton, Eaton, and Ingham counties, S Michigan. Indexed with counties as applicable. |
| lanthanide series | |
|---|---|
| USE | rare earths |
| lanthanides | |
|---|---|
| USE | rare earths |
| lanthanoans | |
|---|---|
| USE | rare earths |
| lanthanum | |
|---|---|
| BT | metals |
| .rare earths | |
| ..lanthanum | |
| UF | La |
| RT | lithophile elements |
| cerium | |
| Lanzarote | |
|---|---|
| BT | Atlantic Ocean Islands |
| .Canary Islands | |
| ..Lanzarote | |
| SN | Easternmost of the Spanish controlled Canary Islands. |
| Lanzhou China | |
|---|---|
| BT | Asia |
| .Far East | |
| ..China | |
| ...Gansu China | |
| ....Lanzhou China | |
| UF | Lanchou China |
| Lanchow China | |
| SN | Capital of Gansu on the Huang He, Loess Plateau of central China. |
| Lanzo Massif | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Piemonte Italy | |
| ....Lanzo Massif | |
| SN | NW of Turin in Piemonte. |
| Laos | |
|---|---|
| BT | Asia |
| .Far East | |
| ..Laos | |
| RT | Indochina |
| Lapeer County Michigan | |
|---|---|
| BT | United States |
| .Michigan | |
| ..Michigan Lower Peninsula | |
| ...Lapeer County Michigan | |
| lapilli | |
|---|---|
| RT | ejecta |
| pyroclastics | |
| volcaniclastics | |
| lapis lazuli | |
|---|---|
| USE | lazurite |
| Laplace azimuths | |
|---|---|
| USE | Laplace transformations |
| Laplace points | |
|---|---|
| USE | Laplace transformations |
| Laplace tidal equation | |
|---|---|
| USE | Laplace transformations |
| Laplace transformations | |
|---|---|
| UF | Laplace azimuths |
| Laplace points | |
| Laplace tidal equation | |
| Laplace transforms | |
| transformations, Laplace | |
| RT | geodesy |
| Laplace transforms | |
|---|---|
| USE | Laplace transformations |
| Lapland | |
|---|---|
| BT | Europe |
| .Lapland | |
| NT | Lapland Finland |
| RT | Russian Federation |
| Finland | |
| Kola Peninsula | |
| Sweden | |
| Finnmark Norway | |
| Norway | |
| Nordland Norway | |
| Vasterbotten Sweden | |
| Norrbotten Sweden | |
| Murmansk Russian Federation | |
| Troms Norway | |
| SN | Region mainly N of the Arctic Circle including the Kola Peninsula of the Russian Federation. Indexed with countries as applicable. For Finland, use Lapland Finland. |
| Lapland Finland | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Scandinavia | |
| ...Finland | |
| ....Lapland Finland | |
| BT | Europe |
| .Lapland | |
| ..Lapland Finland | |
| NT | Inari Finland |
| Sodankyla Finland | |
| UF | Lappi Finland |
| SN | Province, N Finland. This term has multiple hierarchies. Added to Thesaurus in 1998. |
| Laporte County Indiana | |
|---|---|
| BT | Indiana |
| .Laporte County Indiana | |
| Lappi Finland | |
|---|---|
| USE | Lapland Finland |
| Laprairie County Quebec | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...Laprairie County Quebec | |
| Laptev Sea | |
|---|---|
| BT | Arctic Ocean |
| .Laptev Sea | |
| RT | Anabar Bay |
| SN | Along N coast of Siberia between Taymyr Peninsula and New Siberian Islands. |
| Lar | |
|---|---|
| SN | No longer a valid term for GeoRef. Use Lar Iran for the city. Also see Lar Valley. |
| Lar Iran | |
|---|---|
| BT | Asia |
| .Middle East | |
| ..Iran | |
| ...Fars Iran | |
| ....Lar Iran | |
| RT | Lar Valley |
| SN | City in Laristan region, Fars in S Iran. |
| Lar Valley | |
|---|---|
| RT | Elburz |
| Iran | |
| Lar Iran | |
| SN | Valley in N Iran. Indexed with Iran or region as applicable. Added to Thesaurus in 1995. |
| Lara Venezuela | |
|---|---|
| BT | South America |
| .Venezuela | |
| ..Lara Venezuela | |
| SN | State in NW Venezuela. |
| Laramian Orogenic Phase | |
|---|---|
| USE | Laramide Orogeny |
| Laramian Orogeny | |
|---|---|
| USE | Laramide Orogeny |
| Laramic Orogeny | |
|---|---|
| USE | Laramide Orogeny |
| Laramide Orogeny | |
|---|---|
| UF | Laramian Orogenic Phase |
| Laramian Orogeny | |
| Laramic Orogeny | |
| Laramide Revolution | |
| RT | Cretaceous |
| Tertiary | |
| Upper Cretaceous | |
| Paleocene | |
| United States | |
| orogeny | |
| tectonics | |
| Rocky Mountains | |
| Cordilleran Orogeny | |
| SN | A time of deformation typically developed in the eastern Rocky Mountains of the United States, whose several phases extended from Upper Cretaceous until the end of the Paleocene. Before 1978, search orogeny AND Laramide; Laramian. Indexed with ages as app |
| Laramide Revolution | |
|---|---|
| USE | Laramide Orogeny |
| Laramie anorthosite complex | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Laramie anorthosite complex | |
| RT | Wyoming |
| SN | Added to Thesaurus in 1989. |
| Laramie Basin | |
|---|---|
| BT | United States |
| .Wyoming | |
| ..Laramie Basin | |
| SN | High plateau in SE between Laramie Mountains on E and Medicine Bow Mountains on the W. |
| Laramie County Wyoming | |
|---|---|
| BT | United States |
| .Wyoming | |
| ..Laramie County Wyoming | |
| RT | Silo Field |
| SN | SE Wyoming. |
| Laramie Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Laramie Formation | |
| RT | Wyoming |
| Montana | |
| Colorado | |
| Kansas | |
| Arizona | |
| South Dakota | |
| SN | Overlies Fox Hills Formation; unconformably underlies Denver Formation. Denver Basin region of E Colorado. Also in Arizona, N Colorado, Kansas, Montana, South Dakota and Wyoming. |
| Laramie Mountains | |
|---|---|
| BT | United States |
| .U. S. Rocky Mountains | |
| ..Laramie Mountains | |
| RT | Wyoming |
| Colorado | |
| Front Range | |
| SN | A range of the Rocky Mountains. This term has multiple hierarchies. Indexed with states as applicable. |
| Lardeau Group | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Cambrian | |
| ....Lardeau Group | |
| RT | Precambrian |
| Canada | |
| British Columbia | |
| SN | Includes Triune and Sharon Creek Formations. |
| Larder Lake District Ontario | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Ontario | |
| ...Larder Lake District Ontario | |
| UF | Larder Lake region |
| RT | gold ores |
| Timiskaming District Ontario | |
| SN | E Ontario. |
| Larder Lake region | |
|---|---|
| USE | Larder Lake District Ontario |
| Larderello | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Tuscany Italy | |
| ....Larderello | |
| UF | Larderello Field |
| Larderello-Travale geothermal field | |
| RT | geothermal fields |
| SN | Geothermal field and geothermal region in central Italy. |
| Larderello Field | |
|---|---|
| USE | Larderello |
| Larderello-Travale geothermal field | |
|---|---|
| USE | Larderello |
| Large Aperture Seismic Array | |
|---|---|
| USE | LASA |
| Largentiere France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Ardeche France | |
| ....Largentiere France | |
| SN | Village in SE France. |
| Larimer County Colorado | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Larimer County Colorado | |
| NT | Loveland Colorado |
| RT | Rocky Mountain National Park |
| SN | N Colorado. |
| Larix | |
|---|---|
| BT | Plantae |
| .Spermatophyta | |
| ..Gymnospermae | |
| ...Coniferales | |
| ....Pinaceae | |
| .....Larix | |
| SN | Genus. |
| larnite | |
|---|---|
| BT | silicates |
| .orthosilicates | |
| ..nesosilicates | |
| ...larnite | |
| Larue County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Larue County Kentucky | |
| larvae | |
|---|---|
| RT | ontogeny |
| paleontology | |
| reproduction | |
| SN | Added to Thesaurus in 1985. |
| Larvik Norway | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Scandinavia | |
| ...Norway | |
| ....Vestfold Norway | |
| .....Larvik Norway | |
| SN | Town at head of Larvik Fjord near entrance to Oslofjord. |
| Las Animas County Colorado | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Las Animas County Colorado | |
| RT | Spanish Peaks |
| SN | SE Colorado. |
| Las Cruces New Mexico | |
|---|---|
| BT | United States |
| .New Mexico | |
| ..Dona Ana County New Mexico | |
| ...Las Cruces New Mexico | |
| SN | City in Rio Grande Valley, S New Mexico. |
| Las Palmas, Canary Islands | |
|---|---|
| USE | Canary Islands |
| SN | For the Spanish province, use Canary Islands. |
| Las Vegas Nevada | |
|---|---|
| BT | United States |
| .Nevada | |
| ..Clark County Nevada | |
| ...Las Vegas Nevada | |
| SN | City in extreme S Nevada. |
| Las Vegas Valley | |
|---|---|
| BT | United States |
| .Nevada | |
| ..Las Vegas Valley | |
| RT | Clark County Nevada |
| SN | S Nevada. Indexed with counties as applicable. Added to Thesaurus in 1981. |
| Las Villas | |
|---|---|
| SN | No longer a valid term for GeoRef. See Villa Clara Cuba. |
| LASA | |
|---|---|
| UF | Large Aperture Seismic Array |
| RT | Montana |
| arrays | |
| seismic networks | |
| seismographs | |
| SN | Array of seismographs. |
| Lascar | |
|---|---|
| BT | South America |
| .Chile | |
| ..Antofagasta Chile | |
| ...Lascar | |
| RT | volcanoes |
| SN | Volcano, N. Chile. |
| Laser Geodynamics Satellite | |
|---|---|
| USE | Lageos |
| laser methods | |
|---|---|
| NT | lidar methods |
| UF | laser probe |
| probe, laser | |
| RT | spectroscopy |
| chemical analysis | |
| geophysical methods | |
| Doppler effect | |
| analysis | |
| remote sensing | |
| methods | |
| electromagnetic methods | |
| laser ranging | |
| lunar laser ranging | |
| SN | For surveys, also index geophysical surveys. Added to Thesaurus in 1982. |
| laser probe | |
|---|---|
| USE | laser methods |
| laser radar methods | |
|---|---|
| USE | lidar methods |
| laser ranging | |
|---|---|
| RT | analysis |
| geodesy | |
| geophysical methods | |
| geophysical surveys | |
| Lageos | |
| laser methods | |
| lunar laser ranging | |
| methods | |
| remote sensing | |
| satellite methods | |
| spectroscopy | |
| SN | As of 1993, use in combination with satellite methods and/or space shuttle methods. Also see lunar laser ranging. Added to Thesaurus in 1989. |
| Lassen County California | |
|---|---|
| BT | United States |
| .California | |
| ..Lassen County California | |
| RT | Lassen Volcanic National Park |
| SN | NE California. |
| Lassen Peak | |
|---|---|
| BT | United States |
| .California | |
| ..Shasta County California | |
| ...Lassen Peak | |
| UF | Mount Lassen |
| Mt. Lassen | |
| RT | volcanoes |
| SN | Active volcano in Lassen Volcanic National Park in NE California. |
| Lassen Volcanic National Park | |
|---|---|
| BT | United States |
| .California | |
| ..Lassen Volcanic National Park | |
| RT | national parks |
| Lassen County California | |
| Shasta County California | |
| Mill Creek | |
| Plumas County California | |
| Tehama County California | |
| SN | NE California. Indexed with counties as applicable. |
| last glacial maximum | |
|---|---|
| UF | glacial maximum, last |
| pleniglacial, last | |
| RT | Upper Pleistocene |
| glaciation | |
| environmental geology | |
| climate | |
| Quaternary | |
| paleoclimatology | |
| late-glacial environment | |
| glacial environment | |
| SN | Term is often used with paleoclimate studies in which a more specific age term is not available. Indexed with also age and area when possible. Added to Thesaurus in 1995. |
| lat |
|---|
| Latah County Idaho | |
|---|---|
| BT | United States |
| .Idaho | |
| ..Latah County Idaho | |
| SN | N Idaho. |
| Latdorfian | |
|---|---|
| USE | Lattorfian |
| late diagenesis | |
|---|---|
| BT | diagenesis |
| .late diagenesis | |
| RT | burial diagenesis |
| early diagenesis | |
| late-glacial environment | |
|---|---|
| UF | lateglacial environment |
| RT | glacial geology |
| glaciation | |
| depositional environment | |
| Heinrich events | |
| deglaciation | |
| periglacial environment | |
| glacial erosion | |
| glacial sedimentation | |
| interglacial environment | |
| interstadial environment | |
| last glacial maximum | |
| SN | Added to Thesaurus in 1998. |
| late-glacial period | |
|---|---|
| SN | Not a a valid term for GeoRef. In NW Europe, it is usually applied to the upper Weichselian period including Older Dryas, Allerod, and Younger Dryas. In Britain, it is usually considered upper Devensian. Use specific age term. |
| lateglacial environment | |
|---|---|
| USE | late-glacial environment |
| Latemar Massif | |
|---|---|
| BT | Europe |
| .Alps | |
| ..Eastern Alps | |
| ...Dolomites | |
| ....Latemar Massif | |
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Trentino-Alto Adige Italy | |
| ....Latemar Massif | |
| SN | In Dolomites. This term has multiple hierarchies. |
| lateral faults | |
|---|---|
| BT | faults |
| .lateral faults | |
| NT | left-lateral faults |
| right-lateral faults | |
| SN | Added to Thesaurus in 1989. |
| lateral heterogeneity | |
|---|---|
| RT | mantle |
| upper mantle | |
| velocity structure | |
| SN | Added to Thesaurus in 1989. |
| lateral loading | |
|---|---|
| BT | loading |
| .lateral loading | |
| RT | soil mechanics |
| testing | |
| load tests | |
| engineering properties | |
| SN | Added to Thesaurus in 1989. |
| lateral logging | |
|---|---|
| USE | Laterolog |
| Laterite soils | |
|---|---|
| USE | laterites |
| laterites | |
|---|---|
| BT | soils |
| .laterites | |
| UF | Laterite soils |
| lateritic soils | |
| RT | soil group |
| bauxite | |
| ocher | |
| bauxitization | |
| laterization | |
| biorhexistasy | |
| Latosols | |
| lateritic soils | |
|---|---|
| USE | laterites |
| laterization | |
|---|---|
| RT | bauxitization |
| laterites | |
| mineral deposits, genesis | |
| soils | |
| Laterolog | |
|---|---|
| UF | focused current logging |
| guard log | |
| lateral logging | |
| RT | well-logging |
| electrical logging | |
| resistivity | |
| SN | Added to Thesaurus in 1984. |
| Lathi Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....Lathi Formation | |
| RT | India |
| Rajasthan India | |
| Latimer County Oklahoma | |
|---|---|
| BT | United States |
| .Oklahoma | |
| ..Latimer County Oklahoma | |
| RT | Ouachita Mountains |
| SN | SE Oklahoma. |
| Latin America | |
|---|---|
| RT | America |
| Central America | |
| South America | |
| SN | Region comprising South America except the Guianas; Central America except Belize; Mexico, Cuba, Puerto Rico, Dominican Republic and some of the islands in the West Indies. Used only when a more specific area term is not given. Added to Thesaurus in 1981. |
| latite | |
|---|---|
| BT | igneous rocks |
| .volcanic rocks | |
| ..trachyandesites | |
| ...latite | |
| RT | quartz latite |
| latitude | |
|---|---|
| RT | altitude |
| climate | |
| geodesy | |
| paleolatitude | |
| SN | Includes latitude effects. Added to Thesaurus in 1993. |
| latitude, paleo- | |
|---|---|
| USE | paleolatitude |
| Latium Italy | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Latium Italy | |
| NT | Alban Hills |
| Frosinone Italy | |
| Rome Italy | |
| Sabatini Mountains | |
| Tolfa Hills | |
| Viterbo Italy | |
| RT | Tiber Valley |
| SN | Autonomous region in W central Italy. |
| Latosols | |
|---|---|
| BT | soils |
| .Latosols | |
| RT | soil group |
| laterites | |
| Latrobe Group | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Paleocene | |
| .....Latrobe Group | |
| RT | Australia |
| Victoria Australia | |
| Gippsland Basin | |
| SN | Gippsland Basin of Victoria. Added to Thesaurus in 1989. |
| Latrobe Valley | |
|---|---|
| RT | Gippsland Basin |
| Victoria Australia | |
| SN | Coal mining region in S Victoria. Indexed with Victoria Australia as applicable. Added to Thesaurus in 1989. |
| lattice | |
|---|---|
| UF | Bravais lattice |
| crystal lattice | |
| space lattice | |
| translation lattice | |
| RT | crystal structure |
| crystal systems | |
| cell dimensions | |
| lattice parameters | |
| habit | |
| unit cell | |
| twinning | |
| substitution | |
| lattice constants | |
|---|---|
| USE | lattice parameters |
| lattice par |
|---|
| lattice parameters | |
|---|---|
| UF | lattice constants |
| RT | crystal structure |
| crystallography | |
| cell dimensions | |
| crystal chemistry | |
| lattice | |
| crystal growth | |
| unit cell | |
| SN | Before 1979, also search (lattice OR crystal structure) AND parameters. |
| Lattorfian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....upper Eocene | |
| ......Lattorfian | |
| UF | Latdorfian |
| RT | Krosno Beds |
| Tongrian | |
| Sannoisian | |
| SN | Europe. |
| Latur earthquake 1993 | |
|---|---|
| BT | earthquakes |
| .Latur earthquake 1993 | |
| UF | Killari earthquake 1993 |
| RT | India |
| Maharashtra India | |
| SN | Epicenter near Latur, Maharashtra, central India. |
| Latvia | |
|---|---|
| BT | Europe |
| .Baltic region | |
| ..Latvia | |
| NT | Riga Latvia |
| RT | Baltic Glaciation |
| Baltic Plain | |
| Russian Platform | |
| Baltica | |
| Baltic Shield | |
| Dvina River | |
| Russian Plain | |
| SN | Formerly the Latvian Soviet Socialist Republic. |
| Lau Basin | |
|---|---|
| BT | Pacific Ocean |
| .South Pacific | |
| ..Southeast Pacific | |
| ...Lau Basin | |
| RT | DSDP Site 203 |
| Leg 135 | |
| ODP Site 834 | |
| ODP Site 835 | |
| ODP Site 836 | |
| ODP Site 837 | |
| ODP Site 838 | |
| ODP Site 839 | |
| SN | West of the Tonga Islands and S of the Lau group of the Fiji Islands. This term has multiple hierarchies. |
| Lauderdale County Alabama | |
|---|---|
| BT | United States |
| .Alabama | |
| ..Lauderdale County Alabama | |
| SN | Extreme NW Alabama. |
| Lauderdale County Mississippi | |
|---|---|
| BT | United States |
| .Mississippi | |
| ..Lauderdale County Mississippi | |
| SN | E Mississippi. |
| Lauderdale County Tennessee | |
|---|---|
| BT | United States |
| .Tennessee | |
| ..Lauderdale County Tennessee | |
| SN | W Tennessee. |
| laughing gas | |
|---|---|
| USE | nitrous oxide |
| laumonite | |
|---|---|
| USE | laumontite |
| laumontite | |
|---|---|
| BT | silicates |
| .framework silicates | |
| ..zeolite group | |
| ...laumontite | |
| UF | laumonite |
| lomonite | |
| lomontite | |
| RT | leonhardite |
| Lauraceae | |
|---|---|
| BT | Plantae |
| .Spermatophyta | |
| ..Angiospermae | |
| ...Dicotyledoneae | |
| ....Lauraceae | |
| SN | Family. |
| Laurasia | |
|---|---|
| RT | continental drift |
| Eurasia | |
| Gondwana | |
| Laurentia | |
| Northern Hemisphere | |
| Pangaea | |
| supercontinents | |
| SN | The protocontinent of the Northern Hemisphere which is a combination of Laurentia and Eurasia. It included most of North America, Greenland, and much of Eurasia excluding India. |
| Laurel County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Laurel County Kentucky | |
| Laurens County Georgia | |
|---|---|
| BT | United States |
| .Georgia | |
| ..Laurens County Georgia | |
| Laurens County South Carolina | |
|---|---|
| BT | United States |
| .South Carolina | |
| ..Laurens County South Carolina | |
| Laurentia | |
|---|---|
| RT | Atlantic region |
| Baltica | |
| Canadian Shield | |
| continental drift | |
| Greenland | |
| Laurasia | |
| North America | |
| plate tectonics | |
| Scotland | |
| supercontinents | |
| SN | Ancient continent which formed in the early Proterozoic. It preceeded Laurasia. Included much of the Canadian Shield and Greenland and NW Scotland. Indexed with countries and continents as applicable. Added to Thesaurus in 1993. |
| Laurentian Highlands | |
|---|---|
| SN | Not a valid term for GeoRef. Use Canadian Shield or, for the mountains of S Quebec, use Laurentian Mountains as applicable. |
| Laurentian Plateau | |
|---|---|
| USE | Canadian Shield |
| Laurentide ice sheet | |
|---|---|
| RT | Des Moines Lobe |
| Lake Michigan Lobe | |
| Saint Lawrence Lowlands | |
| Saint Lawrence Valley | |
| Laurion Greece | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Greece | |
| ...Sterea Ellas | |
| ....Laurion Greece | |
| UF | Laurium Greece |
| Lavrion Greece | |
| SN | City SE of Athens. |
| Laurium Greece | |
|---|---|
| USE | Laurion Greece |
| Laurussia | |
|---|---|
| RT | Baltic region |
| Canadian Shield | |
| continental drift | |
| Europe | |
| North America | |
| Russian Platform | |
| SN | Large landmass thought to have formed from merger of Baltica and Laurentia in mid-Paleozoic and to have become part of Laurasia in late Paleozoic. Indexed with countries and continents as applicable. |
| Lausitz | |
|---|---|
| USE | Lusatia |
| lava | |
|---|---|
| NT | aa lava |
| pahoehoe | |
| pillow lava | |
| RT | basalts |
| effusion | |
| eruptions | |
| extrusive rocks | |
| flow mechanism | |
| igneous rocks | |
| inclusions | |
| lava channels | |
| lava fields | |
| lava flows | |
| lava lakes | |
| lava tubes | |
| magmas | |
| mud volcanoes | |
| paleomagnetism | |
| peperite | |
| perlite | |
| petrology | |
| phreatomagmatism | |
| pillow structure | |
| plugs | |
| vesicular | |
| SN | Used for all molten extrusives and the rocks that solidify from them. |
| lava channels | |
|---|---|
| BT | volcanic features |
| .lava channels | |
| RT | lava |
| geomorphology | |
| channels | |
| lava domes | |
|---|---|
| USE | shield volcanoes |
| lava fields | |
|---|---|
| BT | volcanic features |
| .lava fields | |
| UF | fields, lava |
| RT | lava |
| geomorphology | |
| volcanic fields | |
| lava flows | |
|---|---|
| UF | flow (volcanic) |
| nappe (volcanic) | |
| RT | lava |
| volcanology | |
| flow texture | |
| flows | |
| basalt flows | |
| flood basalts | |
| volcanic features | |
| effusion | |
| flow mechanism | |
| lahars | |
| lava tubes | |
| SN | Also search specific types, such as basalt flows or rhyolite flows as applicable. |
| lava lakes | |
|---|---|
| RT | crater lakes |
| geomorphology | |
| lakes | |
| lava | |
| volcanic features | |
| lava tubes | |
|---|---|
| BT | volcanic features |
| .lava tubes | |
| UF | lava tunnels |
| tubes, lava | |
| RT | lava |
| geomorphology | |
| lava flows | |
| speleology | |
| lava tunnels | |
|---|---|
| USE | lava tubes |
| Lavaca County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Lavaca County Texas | |
| SN | SE Texas. |
| Laval Basin | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Laval Basin | |
| Lavery Till | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Upper Pleistocene | |
| ......Wisconsinan | |
| .......Lavery Till | |
| RT | Pennsylvania |
| SN | NW Pennsylvania. Added to Thesaurus in 1985. |
| Lavinia Planitia | |
|---|---|
| BT | Venus |
| .Lavinia Planitia | |
| SN | Lowland. |
| Lavrion Greece | |
|---|---|
| USE | Laurion Greece |
| Lawrence County Alabama | |
|---|---|
| BT | United States |
| .Alabama | |
| ..Lawrence County Alabama | |
| SN | NW Alabama. |
| Lawrence County Arkansas | |
|---|---|
| BT | United States |
| .Arkansas | |
| ..Lawrence County Arkansas | |
| SN | NE Arkansas. |
| Lawrence County Illinois | |
|---|---|
| BT | United States |
| .Illinois | |
| ..Lawrence County Illinois | |
| SN | Bounded by Wabash River in SE Illinois. |
| Lawrence County Indiana | |
|---|---|
| BT | Indiana |
| .Lawrence County Indiana | |
| SN | S Indiana. |
| Lawrence County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Lawrence County Kentucky | |
| SN | NE Kentucky. |
| Lawrence County Mississippi | |
|---|---|
| BT | United States |
| .Mississippi | |
| ..Lawrence County Mississippi | |
| SN | S central Mississippi. |
| Lawrence County Missouri | |
|---|---|
| BT | United States |
| .Missouri | |
| ..Lawrence County Missouri | |
| SN | SW Missouri. |
| Lawrence County Ohio | |
|---|---|
| BT | United States |
| .Ohio | |
| ..Lawrence County Ohio | |
| SN | S Ohio. |
| Lawrence County Pennsylvania | |
|---|---|
| BT | United States |
| .Pennsylvania | |
| ..Lawrence County Pennsylvania | |
| SN | W Pennsylvania. |
| Lawrence County South Dakota | |
|---|---|
| BT | United States |
| .South Dakota | |
| ..Lawrence County South Dakota | |
| RT | Black Hills |
| Whitewood Creek | |
| Homestake Mine | |
| SN | W South Dakota. |
| Lawrence County Tennessee | |
|---|---|
| BT | United States |
| .Tennessee | |
| ..Lawrence County Tennessee | |
| SN | S Tennesse. |
| Lawrence Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Pennsylvanian | |
| .....Upper Pennsylvanian | |
| ......Virgilian | |
| .......Lawrence Formation | |
| RT | Iowa |
| Missouri | |
| Nebraska | |
| Kansas | |
| Douglas Group | |
| SN | Includes two unnamed shale members separated by Amazonia Limestone Member, Ireland Limestone Member. SW Iowa, E Kansas, NW Missouri, and SE Nebraska. |
| Lawrence Livermore National Laboratory | |
|---|---|
| BT | United States |
| .California | |
| ..Alameda County California | |
| ...Lawrence Livermore National Laboratory | |
| RT | Livermore California |
| SN | Near Livermore, E of San Francisco Bay, Central California. |
| lawrencium | |
|---|---|
| BT | metals |
| .actinides | |
| ..lawrencium | |
| UF | Lr |
| SN | Chemical element. |
| laws | |
|---|---|
| SN | Not a valid term for GeoRef. As of 1993, use legislation or principles as applicable. |
| lawsonite | |
|---|---|
| BT | silicates |
| .orthosilicates | |
| ..sorosilicates | |
| ...lawsonite | |
| RT | aluminosilicates |
| Laxfordian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Proterozoic | |
| ...Mesoproterozoic | |
| ....Laxfordian | |
| SN | Europe. |
| layer, active | |
|---|---|
| USE | active layer |
| layer, basaltic | |
|---|---|
| USE | basaltic layer |
| layer, boundary | |
|---|---|
| USE | boundary layer |
| layer, granitic | |
|---|---|
| USE | granitic layer |
| layer, nepheloid | |
|---|---|
| USE | nepheloid layer |
| layered | |
|---|---|
| SN | A valid index term through 1977. After 1977, use layered intrusions, layered materials, or multiple aquifers. |
| layered intrusions | |
|---|---|
| BT | intrusions |
| .layered intrusions | |
| RT | igneous rocks |
| magma contamination | |
| SN | Not a valid term from 1975-1977. Before 1978, also search intrusions AND layered. |
| layered materials | |
|---|---|
| UF | layered media |
| multilayered materials | |
| RT | materials |
| engineering geology | |
| transverse isotropy | |
| multiple aquifers | |
| delamination | |
| stratification | |
| preferential flow | |
| mineral interlayer | |
| two-layer models | |
| SN | Before 1981, also search layered; layers. After 1992, use multiple aquifers for aquifers. Added to Thesaurus in 1981. |
| layered media | |
|---|---|
| USE | layered materials |
| layers | |
|---|---|
| SN | A valid term through 1978. See layered materials. |
| lazulite | |
|---|---|
| BT | phosphates |
| .lazulite | |
| lazurite | |
|---|---|
| BT | sulfides |
| .lazurite | |
| BT | sulfates |
| .lazurite | |
| BT | silicates |
| .framework silicates | |
| ..sodalite group | |
| ...lazurite | |
| UF | lapis lazuli |
| RT | gems |
| SN | This term has multiple hierarchies. |
| LDEF | |
|---|---|
| USE | Long Duration Exposure Facility |
| LDEO | |
|---|---|
| USE | Lamont-Doherty Earth Observatory |
| ldocerataceae | |
|---|---|
| NT | Hildoceratidae |
| Le Flore County Oklahoma | |
|---|---|
| BT | United States |
| .Oklahoma | |
| ..Le Flore County Oklahoma | |
| SN | SE Oklahoma. |
| Le Havre France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Seine-Maritime France | |
| ....Le Havre France | |
| SN | City on the English Channel in N France. |
| Le Mans France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Sarthe France | |
| ....Le Mans France | |
| SN | City in NE central France. |
| Le Mont-Dore France | |
|---|---|
| USE | Mont-Dore France |
| Le Sueur County Minnesota | |
|---|---|
| BT | United States |
| .Minnesota | |
| ..Le Sueur County Minnesota | |
| Le Trou Sans Fond | |
|---|---|
| USE | Trou Sans Fond |
| Lea County New Mexico | |
|---|---|
| BT | United States |
| .New Mexico | |
| ..Lea County New Mexico | |
| RT | Central Basin Platform |
| SN | Extreme SE New Mexico. |
| leach |
|---|
| leachate | |
|---|---|
| RT | geochemistry |
| leaching | |
| mining geology | |
| pollutants | |
| pollution | |
| seepage | |
| soils | |
| solutions | |
| waste disposal | |
| SN | Use leaching or solution for the process. Added to Thesaurus in 1993. |
| lead | |
|---|---|
| BT | metals |
| .lead | |
| NT | Pb-204 |
| Pb-206 | |
| Pb-206/Pb-204 | |
| Pb-207 | |
| Pb-207/Pb-204 | |
| Pb-207/Pb-206 | |
| Pb-208 | |
| Pb-208/Pb-204 | |
| Pb-208/Pb-206 | |
| Pb-210 | |
| U-238/Pb-204 | |
| U-238/Pb-206 | |
| UF | Pb |
| RT | lead-zinc deposits |
| isotopes | |
| Pb/Pb | |
| Pb/Th | |
| chalcophile elements | |
| lead ores | |
| heavy metals | |
| HIMU | |
| U/Pb | |
| U/Th/Pb | |
| SN | Chemical element. Use lead ores for lead as a commodity. |
| lead glance | |
|---|---|
| USE | galena |
| lead ores | |
|---|---|
| BT | metal ores |
| .lead ores | |
| RT | lead-zinc deposits |
| base metals | |
| Bunker Hill Mine | |
| lead | |
| galena | |
| mississippi valley-type deposits | |
| SN | Commodity. See List C. |
| lead-lead | |
|---|---|
| USE | Pb/Pb |
| lead-zinc deposits | |
|---|---|
| BT | metal ores |
| .lead-zinc deposits | |
| UF | lead-zinc ores |
| RT | Aberfeldy |
| Broken Hill Mine | |
| Gays River Deposit | |
| lead ores | |
| Bluebell Mine | |
| Bunker Hill Mine | |
| lead | |
| Leadville mining district | |
| cyprus-type deposits | |
| mississippi valley-type deposits | |
| Hosokura Mine | |
| Janggun Mine | |
| Kamioka Mine | |
| Keban Mine | |
| Pine Point mining district | |
| Sulli | |
| SN | Before 1978, also search lead-zinc AND (deposit OR deposits OR ore OR ores OR economic) in the basic index. Commodity. See List C. |
| lead-zinc ores | |
|---|---|
| USE | lead-zinc deposits |
| leadhillite | |
|---|---|
| BT | carbonates |
| .leadhillite | |
| BT | sulfates |
| .leadhillite | |
| SN | This term has multiple hierarchies. |
| Leadville Colorado | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Lake County Colorado | |
| ...Leadville Colorado | |
| RT | Saint Kevin Gulch |
| SN | City in central Colorado. |
| Leadville Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Mississippian | |
| .....Leadville Formation | |
| RT | Colorado |
| Yule Marble | |
| SN | Includes Gilman Sandstone Member. |
| Leadville mining district | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Lake County Colorado | |
| ...Leadville mining district | |
| RT | mines |
| lead-zinc deposits | |
| silver ores | |
| polymetallic ores | |
| gold ores | |
| Colorado mineral belt | |
| SN | In the central Colorado mineral belt, Leadville area, Lake County Colorado. Lead-zinc, silver, and gold deposits. Before 1993, also search (Leadville District OR Leadville Colorado) with commodity. Added to Thesaurus in 1993. |
| leaf | |
|---|---|
| USE | leaves |
| leakage | |
|---|---|
| USE | seepage |
| leakage anomalies | |
|---|---|
| RT | anomalies |
| dispersion patterns | |
| geochemistry | |
| hydrothermal alteration | |
| mineral deposits, genesis | |
| SN | Added to Thesaurus in 1981. |
| Leake County Mississippi | |
|---|---|
| BT | United States |
| .Mississippi | |
| ..Leake County Mississippi | |
| leaking underground storage tanks | |
|---|---|
| UF | LUST |
| RT | reclamation |
| pollution | |
| ground water | |
| seepage | |
| polluted water | |
| remediation | |
| dense nonaqueous phase liquids | |
| underground installations | |
| nonaqueous phase liquids | |
| light nonaqueous phase liquids | |
| underground storage | |
| oil storage | |
| gasoline | |
| petroleum products | |
| underground | |
| SN | Added to Thesaurus in 1993. |
| leaky aquifers | |
|---|---|
| RT | aquifers |
| aquitards | |
| confining beds | |
| ground water | |
| multiple aquifers | |
| seepage | |
| SN | Added to Thesaurus in 1985. |
| learning | |
|---|---|
| SN | Not a valid term for GeoRef. See education. |
| least squares analysis | |
|---|---|
| USE | least-squares analysis |
| least-squares analysis | |
|---|---|
| BT | statistical analysis |
| .least-squares analysis | |
| UF | least squares analysis |
| RT | analysis |
| regression analysis | |
| Leavenworth County Kansas | |
|---|---|
| BT | United States |
| .Kansas | |
| ..Leavenworth County Kansas | |
| SN | NE Kansas. |
| leaves | |
|---|---|
| UF | leaf |
| RT | Plantae |
| paleobotany | |
| vegetation | |
| flowers | |
| humus | |
| Leba | |
|---|---|
| SN | Not a valid term for GeoRef. Before 1995, sometimes used for the river in N Poland; now use Leba River. After 1992, use Leba Poland for the town. |
| Leba Poland | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Leba Poland | |
| SN | Town on the Baltic in Slupsk province. |
| Lebanon | |
|---|---|
| BT | Asia |
| .Middle East | |
| ..Lebanon | |
| NT | Beirut Lebanon |
| RT | Mediterranean region |
| Judea Group | |
| Lebanon County Pennsylvania | |
|---|---|
| BT | United States |
| .Pennsylvania | |
| ..Lebanon County Pennsylvania | |
| SN | SE central Pennsylvania. |
| Lebedin Ukraine | |
|---|---|
| BT | Europe |
| .Ukraine | |
| ..Lebedin Ukraine | |
| SN | City in Sumy Oblast in NE central Ukraine. This term has multiple hierarchies. |
| lebensspuren | |
|---|---|
| BT | sedimentary structures |
| .biogenic structures | |
| ..lebensspuren | |
| RT | ichnofossils |
| burrows | |
| ichnofacies | |
| casts | |
| borings | |
| ichnofabric | |
| coprolites | |
| tracks | |
| trails | |
| SN | Before 1981, also search ichnofossils. Before 1973, also search trace fossils. As of 1981, used when the emphasis is sedimentary petrology, not paleontology. Use ichnofossils for paleontologic studies. |
| Lebo Member | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Paleocene | |
| .....Lebo Member | |
| RT | Montana |
| Fort Union Formation | |
| SN | Paleocene. Considered Eocene earlier. Montana. In Fort Union Formation. Added to Thesaurus in 1993. |
| Lebombo Mountains | |
|---|---|
| BT | Africa |
| .Lebombo Mountains | |
| RT | Mpumalanga South Africa |
| South Africa | |
| Swaziland | |
| Transvaal region | |
| Northern Province South Africa | |
| Mozambique | |
| SN | Before 1978, also search Lebombo. Indexed with Mozambique and/or Northern Province South Africa and/or Mpumalanga South Africa and/or Swaziland. |
| Lecce Italy | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Apulia Italy | |
| ....Lecce Italy | |
| SN | City and province in heel of Italian boot, SE Italy. |
| lechatelierite | |
|---|---|
| BT | silicates |
| .framework silicates | |
| ..silica minerals | |
| ...lechatelierite | |
| Lechtal Alps | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Austria | |
| ...Tyrol Austria | |
| ....Lechtal Alps | |
| BT | Europe |
| .Alps | |
| ..Lechtal Alps | |
| SN | W Tyrol. This term has multiple hierarchies. |
| Lechuguilla Cave | |
|---|---|
| BT | United States |
| .New Mexico | |
| ..Eddy County New Mexico | |
| ...Lechuguilla Cave | |
| RT | Carlsbad Caverns |
| Guadalupe Mountains | |
| SN | Carlsbad Caverns National Park, SE New Mexico. |
| Lecompton Limestone | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Pennsylvanian | |
| .....Upper Pennsylvanian | |
| ......Virgilian | |
| .......Lecompton Limestone | |
| RT | Iowa |
| Missouri | |
| Oklahoma | |
| Nebraska | |
| Kansas | |
| Beil Limestone Member | |
| Shawnee Group | |
| SN | In Shawnee Group. Comprises Spring Branch Limestone, Doniphan Shale, Big Springs Limestone, Queen Hill Shale, Beil Limestone, King Hill Shale, Avoca Limestone members. E Kansas, NW Missouri, SE Nebraska, SW Iowa, central N Oklahoma. |
| Leczyca Poland | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Plock Poland | |
| ....Leczyca Poland | |
| SN | Town in Plock Province, central Poland. |
| Leda Clay | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Leda Clay | |
| RT | Canada |
| Ontario | |
| Ottawa Ontario | |
| Ledbetter Slate | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Ordovician | |
| ....Ledbetter Slate | |
| RT | Washington |
| SN | NE Washington. Added to Thesaurus in 1985. |
| Leduc Alberta | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Alberta | |
| ...Leduc Alberta | |
| SN | Town S of Edmonton in central Alberta. |
| Leduc Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Upper Devonian | |
| .....Frasnian | |
| ......Leduc Formation | |
| SN | In Woodbend Group. Alberta and Saskatchewan. Added to Thesaurus in 1995. |
| Lee County Alabama | |
|---|---|
| BT | United States |
| .Alabama | |
| ..Lee County Alabama | |
| SN | E Albama. |
| Lee County Arkansas | |
|---|---|
| BT | United States |
| .Arkansas | |
| ..Lee County Arkansas | |
| SN | E Arkansas. |
| Lee County Florida | |
|---|---|
| BT | United States |
| .Florida | |
| ..Lee County Florida | |
| NT | Sanibel Island |
| SN | On Gulf of Mexico in SW Florida. |
| Lee County Georgia | |
|---|---|
| BT | United States |
| .Georgia | |
| ..Lee County Georgia | |
| SN | SW central Georgia. |
| Lee County Illinois | |
|---|---|
| BT | United States |
| .Illinois | |
| ..Lee County Illinois | |
| SN | N Illinois. |
| Lee County Iowa | |
|---|---|
| BT | United States |
| .Iowa | |
| ..Lee County Iowa | |
| SN | Extreme SE Iowa. |
| Lee County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Lee County Kentucky | |
| SN | E central Kentucky. |
| Lee County Mississippi | |
|---|---|
| BT | United States |
| .Mississippi | |
| ..Lee County Mississippi | |
| SN | NE Mississippi. |
| Lee County North Carolina | |
|---|---|
| BT | United States |
| .North Carolina | |
| ..Lee County North Carolina | |
| SN | Central North Carolina. |
| Lee County South Carolina | |
|---|---|
| BT | United States |
| .South Carolina | |
| ..Lee County South Carolina | |
| SN | NE central South Carolina. |
| Lee County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Lee County Texas | |
| SN | S central Texas. |
| Lee County Virginia | |
|---|---|
| BT | United States |
| .Virginia | |
| ..Lee County Virginia | |
| SN | Extreme SW Virginia. |
| Lee Creek Mine | |
|---|---|
| BT | United States |
| .North Carolina | |
| ..Beaufort County North Carolina | |
| ...Lee Creek Mine | |
| RT | mines |
| phosphate deposits | |
| SN | E North Carolina. Added to Thesaurus in 1989. |
| Lee Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Pennsylvanian | |
| .....Lower Pennsylvanian | |
| ......Lee Formation | |
| RT | Virginia |
| Kentucky | |
| Tennessee | |
| SN | Includes Rockcastle Sandstone. Defined as all of lower Pennsylvanian rocks from Mississippian-Pennsylvanian contact to top of Zachariah Coal Bed. E Kentucky, E Tennessee, and SW Virginia. |
| Leech River Fault | |
|---|---|
| BT | North America |
| .Leech River Fault | |
| RT | Washington |
| British Columbia | |
| Vancouver Island | |
| SN | Vancouver Island, British Columbia; NW Washington. Indexed with British Columbia and/or Washington as applicable. Added to Thesaurus in 1989. |
| Leeds County Ontario | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Ontario | |
| ...Leeds County Ontario | |
| Leelanau County Michigan | |
|---|---|
| BT | United States |
| .Michigan | |
| ..Michigan Lower Peninsula | |
| ...Leelanau County Michigan | |
| Leeward Islands | |
|---|---|
| RT | Guadeloupe |
| La Grande Soufriere | |
| Lesser Antilles | |
| Montserrat | |
| Netherlands Antilles | |
| Saint John Island | |
| Society Islands | |
| SN | The northern chain of islands in the Lesser Antilles extending from the Virgin Islands in N to Dominica in S. Also occurs in Society Islands, French Polynesia, Search in combination with Lesser Antilles or Society Islands. Indexed with Lesser Antilles or |
| Leflore County Mississippi | |
|---|---|
| BT | United States |
| .Mississippi | |
| ..Leflore County Mississippi | |
| left-lateral faults | |
|---|---|
| BT | faults |
| .lateral faults | |
| ..left-lateral faults | |
| RT | right-lateral faults |
| strike-slip faults | |
| SN | Added to Thesaurus in 1985. |
| Leg |
|---|
| Leg 1 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 1 | |
| NT | DSDP Site 1 |
| DSDP Site 2 | |
| DSDP Site 3 | |
| DSDP Site 4 | |
| DSDP Site 5 | |
| DSDP Site 6 | |
| DSDP Site 7 | |
| RT | Gulf of Mexico |
| North Atlantic | |
| SN | Gulf of Mexico and NW Atlantic Ocean, off Florida and SW of Bermuda. Sites 1-7. Added to Thesaurus in 1981. |
| Leg 10 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 10 | |
| NT | DSDP Site 85 |
| DSDP Site 86 | |
| DSDP Site 87 | |
| DSDP Site 88 | |
| DSDP Site 89 | |
| DSDP Site 90 | |
| DSDP Site 91 | |
| DSDP Site 92 | |
| DSDP Site 93 | |
| DSDP Site 94 | |
| DSDP Site 95 | |
| DSDP Site 96 | |
| DSDP Site 97 | |
| RT | Gulf of Mexico |
| Campeche Scarp | |
| SN | Gulf of Mexico. Sites 85-97. Added to Thesaurus in 1981. |
| Leg 100 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 100 | |
| NT | ODP Site 625 |
| RT | Gulf of Mexico |
| SN | W of the Florida shelf in the Gulf of Mexico. Site 625. First cruise of the Ocean Drilling Program (ODP), the continuation of DSDP and IPOD. Added to Thesaurus in 1989. |
| Leg 101 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 101 | |
| NT | ODP Site 626 |
| ODP Site 627 | |
| ODP Site 628 | |
| ODP Site 629 | |
| ODP Site 630 | |
| ODP Site 631 | |
| ODP Site 632 | |
| ODP Site 633 | |
| ODP Site 634 | |
| ODP Site 635 | |
| ODP Site 636 | |
| RT | North Atlantic |
| Bahamas | |
| Exuma Sound | |
| Little Bahama Bank | |
| Northwest Providence Channel | |
| Blake Plateau | |
| Straits of Florida | |
| SN | Bahamas carbonate platform, including Blake Plateau, Straits of Florida, Little Bahama Bank, Exuma Sound, and Northwest Providence Channel. Sites 626-636. Added to Thesaurus in 1989. |
| Leg 102 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 102 | |
| NT | DSDP Site 418 |
| RT | Bermuda Rise |
| SN | NW Atlantic. Re-entry of DSDP Site 418. Added to Thesaurus in 1989. |
| Leg 103 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 103 | |
| NT | ODP Site 637 |
| ODP Site 638 | |
| ODP Site 639 | |
| ODP Site 640 | |
| ODP Site 641 | |
| RT | North Atlantic |
| Iberian abyssal plain | |
| Leg 173 | |
| SN | Galicia Bank margin, NW of Iberian Peninsula, NE Atlantic. Sites 637-641. Added to Thesaurus in 1989. |
| Leg 104 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 104 | |
| NT | ODP Site 642 |
| ODP Site 643 | |
| ODP Site 644 | |
| RT | Voring Plateau |
| SN | Voring Plateau, Norwegian Sea. Sites 642-644. Added to Thesaurus in 1989. |
| Leg 105 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 105 | |
| NT | ODP Site 645 |
| ODP Site 646 | |
| ODP Site 647 | |
| RT | Arctic Ocean |
| Baffin Bay | |
| Labrador Sea | |
| SN | Baffin Bay and Labrador Sea. Sites 645-647. Added to Thesaurus in 1989. |
| Leg 106 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 106 | |
| NT | ODP Site 648 |
| ODP Site 649 | |
| RT | North Atlantic |
| Mid-Atlantic Ridge | |
| Leg 153 | |
| SN | N Mid-Atlantic Ridge, S of Kane fracture zone. Sites 648-649. Added to Thesaurus in 1993. |
| Leg 107 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 107 | |
| NT | ODP Site 650 |
| ODP Site 651 | |
| ODP Site 652 | |
| ODP Site 653 | |
| ODP Site 654 | |
| ODP Site 655 | |
| ODP Site 656 | |
| RT | Tyrrhenian Sea |
| Tyrrhenian Basin | |
| SN | Vavilov and Marsili basins, Tyrrhenian Sea, West Mediterranean. Sites 650-656. Added to Thesaurus in 1993. |
| Leg 108 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 108 | |
| NT | ODP Site 657 |
| ODP Site 658 | |
| ODP Site 659 | |
| ODP Site 660 | |
| ODP Site 661 | |
| ODP Site 662 | |
| ODP Site 663 | |
| ODP Site 664 | |
| ODP Site 665 | |
| ODP Site 666 | |
| ODP Site 667 | |
| ODP Site 668 | |
| RT | North Atlantic |
| South Atlantic | |
| Equatorial Atlantic | |
| ODP Site 958 | |
| SN | E Equatorial Atlantic and NW margin of Africa, E Equatorial and SE Atlantic. ODP Sites 657-668. Added to Thesaurus in 1993. |
| Leg 109 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 109 | |
| NT | DSDP Site 395 |
| ODP Site 648 | |
| ODP Site 669 | |
| ODP Site 670 | |
| RT | North Atlantic |
| Mid-Atlantic Ridge | |
| Kane fracture zone | |
| Leg 153 | |
| SN | Mid-Atlantic Ridge, S of Kane fracture zone in N Atlantic. Sites 669 and 670A; also re-entry of Sites 648 and 395A. Added to Thesaurus in 1989. |
| Leg 11 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 11 | |
| NT | DSDP Site 100 |
| DSDP Site 102 | |
| DSDP Site 103 | |
| DSDP Site 104 | |
| DSDP Site 105 | |
| DSDP Site 108 | |
| DSDP Site 98 | |
| RT | North Atlantic |
| Bahamas | |
| Northeast Providence Channel | |
| Leg 172 | |
| Blake-Bahama Outer Ridge | |
| SN | NW Atlantic Ocean. Sites 98-108, from N of the Bahamas to NW of Bermuda near the continental margin of the United States. Added to Thesaurus in 1981. |
| Leg 110 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 110 | |
| NT | ODP Site 671 |
| ODP Site 672 | |
| ODP Site 673 | |
| ODP Site 674 | |
| ODP Site 675 | |
| ODP Site 676 | |
| RT | North Atlantic |
| Leg 171A | |
| Barbados Ridge | |
| Leg 156 | |
| Leg 78A | |
| SN | Near Tiburon Rise, E of Barbados in Barbados Forearc. Sites 671-676. Added to Thesaurus in 1989. |
| Leg 111 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 111 | |
| NT | DSDP Site 504 |
| ODP Site 677 | |
| ODP Site 678 | |
| RT | Northwest Pacific |
| Equatorial Pacific | |
| SN | E Equatorial Pacific. Sites 677-678, plus DSDP Site 504B. Added to Thesaurus in 1989. |
| Leg 112 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 112 | |
| NT | ODP Site 679 |
| ODP Site 680 | |
| ODP Site 681 | |
| ODP Site 682 | |
| ODP Site 683 | |
| ODP Site 684 | |
| ODP Site 685 | |
| ODP Site 686 | |
| ODP Site 687 | |
| ODP Site 688 | |
| RT | Southeast Pacific |
| SN | Peru continental margin. Sites 679-688. Added to Thesaurus in 1989. |
| Leg 113 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 113 | |
| NT | ODP Site 689 |
| ODP Site 690 | |
| ODP Site 691 | |
| ODP Site 692 | |
| ODP Site 693 | |
| ODP Site 694 | |
| ODP Site 695 | |
| ODP Site 696 | |
| ODP Site 697 | |
| RT | Weddell Sea |
| Maud Rise | |
| SN | Weddell Sea, near Antarctica. Sites 689-697. Added to Thesaurus in 1989. |
| Leg 114 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 114 | |
| NT | ODP Site 698 |
| ODP Site 699 | |
| ODP Site 700 | |
| ODP Site 701 | |
| ODP Site 702 | |
| ODP Site 703 | |
| ODP Site 704 | |
| RT | South Atlantic |
| Antarctic Ocean | |
| Georgia Basin | |
| Leg 177 | |
| ODP Site 1091 | |
| ODP Site 1092 | |
| SN | Islas Orcadas Rise, Meteor Rise, South Georgia Rise. Sites 698-704. Added to Thesaurus in 1989. |
| Leg 115 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 115 | |
| NT | ODP Site 705 |
| ODP Site 706 | |
| ODP Site 707 | |
| ODP Site 708 | |
| ODP Site 709 | |
| ODP Site 710 | |
| ODP Site 711 | |
| ODP Site 712 | |
| ODP Site 713 | |
| ODP Site 714 | |
| ODP Site 715 | |
| ODP Site 716 | |
| RT | Indian Ocean |
| SN | Chagos Bank, Madingley Rise, Maldives Ridge and Mascarene Plateau in central Indian Ocean. Sites 705-716. Added to Thesaurus in 1989. |
| Leg 116 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 116 | |
| NT | ODP Site 717 |
| ODP Site 718 | |
| ODP Site 719 | |
| RT | Bengal Fan |
| SN | Distal end of Bengal Fan in central Indian Ocean. Sites 717-719. Added to Thesaurus in 1989. |
| Leg 117 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 117 | |
| NT | ODP Site 720 |
| ODP Site 721 | |
| ODP Site 722 | |
| ODP Site 723 | |
| ODP Site 724 | |
| ODP Site 725 | |
| ODP Site 726 | |
| ODP Site 727 | |
| ODP Site 728 | |
| ODP Site 729 | |
| ODP Site 730 | |
| ODP Site 731 | |
| RT | Arabian Sea |
| Indus Fan | |
| SN | Indus Fan, Owen Ridge, Oman continental margin, central Arabian Sea. Sites 720-731. Added to Thesaurus in 1993. |
| Leg 118 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 118 | |
| NT | ODP Site 732 |
| ODP Site 733 | |
| ODP Site 734 | |
| ODP Site 735 | |
| RT | Atlantis II fracture zone |
| Leg 176 | |
| Southwest Indian Ridge | |
| SN | Atlantis II fracture zone, Southwest Indian Ridge, Indian Ocean. Sites 732-735. Added to Thesaurus in 1993. |
| Leg 119 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 119 | |
| NT | ODP Site 736 |
| ODP Site 737 | |
| ODP Site 738 | |
| ODP Site 739 | |
| ODP Site 740 | |
| ODP Site 741 | |
| ODP Site 742 | |
| ODP Site 743 | |
| ODP Site 744 | |
| ODP Site 745 | |
| ODP Site 746 | |
| RT | Indian Ocean |
| Antarctic Ocean | |
| Kerguelen Plateau | |
| Prydz Bay | |
| SN | Kerguelen Plateau and Prydz Bay, S Indian Ocean and Antarctic Ocean. Sites 736-746. Added to Thesaurus in 1989. |
| Leg 12 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 12 | |
| NT | DSDP Site 111 |
| DSDP Site 112 | |
| DSDP Site 113 | |
| DSDP Site 114 | |
| DSDP Site 115 | |
| DSDP Site 116 | |
| DSDP Site 117 | |
| DSDP Site 118 | |
| DSDP Site 119 | |
| RT | North Atlantic |
| Labrador Sea | |
| Rockall Plateau | |
| SN | N Atlantic Ocean. Sites 111-119, from N of the Grand Banks to the Labrador Sea, to SW of Iceland, to W of Scotland, to N of Spain. Added to Thesaurus in 1981. |
| Leg 120 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 120 | |
| NT | ODP Site 747 |
| ODP Site 748 | |
| ODP Site 749 | |
| ODP Site 750 | |
| ODP Site 751 | |
| RT | Indian Ocean |
| Antarctic Ocean | |
| Kerguelen Plateau | |
| SN | Kerguelen Plateau, S Indian Ocean-Antarctic Ocean. Sites 747-751. Added to Thesaurus in 1993. |
| Leg 121 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 121 | |
| NT | ODP Site 752 |
| ODP Site 753 | |
| ODP Site 754 | |
| ODP Site 755 | |
| ODP Site 756 | |
| ODP Site 757 | |
| ODP Site 758 | |
| RT | Indian Ocean |
| Broken Ridge | |
| Ninetyeast Ridge | |
| SN | Broken Ridge and Ninetyeast Ridge, Indian Ocean. Sites 752-758. Added to Thesaurus in 1993. |
| Leg 122 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 122 | |
| NT | ODP Site 759 |
| ODP Site 760 | |
| ODP Site 761 | |
| ODP Site 762 | |
| ODP Site 763 | |
| ODP Site 764 | |
| RT | Indian Ocean |
| Exmouth Plateau | |
| Wombat Plateau | |
| SN | Exmouth Plateau and Wombat Plateau, E Indian Ocean. Sites 759-764. Added to Thesaurus in 1989. |
| Leg 123 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 123 | |
| NT | ODP Site 765 |
| ODP Site 766 | |
| RT | Indian Ocean |
| Argo abyssal plain | |
| Gascoyne abyssal plain | |
| SN | Argo abyssal plain and Gascoyne abyssal plain, E Indian Ocean. Sites 765-766. Added to Thesaurus in 1993. |
| Leg 124 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 124 | |
| NT | ODP Site 767 |
| ODP Site 768 | |
| ODP Site 769 | |
| ODP Site 770 | |
| ODP Site 771 | |
| RT | Northwest Pacific |
| Equatorial Pacific | |
| Celebes Sea | |
| Sulu Sea | |
| SN | Celebes Sea and Sulu Sea, NW Equatorial Pacific. Sites 767-771. Added to Thesaurus in 1993. |
| Leg 124E | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 124E | |
| NT | ODP Site 772 |
| ODP Site 773 | |
| ODP Site 774 | |
| ODP Site 775 | |
| ODP Site 776 | |
| ODP Site 777 | |
| RT | Northwest Pacific |
| South China Sea | |
| Philippine Sea | |
| Mariana Trough | |
| Mariana Trench | |
| SN | Philippine Sea, South China Sea, and Mariana Trench-Trough area, NW Pacific. Sites 772-777. Added to Thesaurus in 1993. |
| Leg 125 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 125 | |
| NT | ODP Site 778 |
| ODP Site 779 | |
| ODP Site 780 | |
| ODP Site 781 | |
| ODP Site 782 | |
| ODP Site 783 | |
| ODP Site 784 | |
| ODP Site 785 | |
| ODP Site 786 | |
| RT | Northwest Pacific |
| Izu-Bonin Arc | |
| Conical Seamount | |
| SN | Mariana and Izu-Bonin forearc regions, NW Pacific. Sites 778-786. Added to Thesaurus in 1993. |
| Leg 126 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 126 | |
| NT | ODP Site 787 |
| ODP Site 788 | |
| ODP Site 789 | |
| ODP Site 790 | |
| ODP Site 791 | |
| ODP Site 792 | |
| ODP Site 793 | |
| RT | Izu-Bonin Arc |
| Philippine Sea | |
| Sumisu Rift | |
| SN | Sumisu Rift and Izu-Bonin forearc basin, Izu-Bonin arc-trench system, NW Philippine Sea. Sites 787-793. Added to Thesaurus in 1993. |
| Leg 127 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 127 | |
| NT | ODP Site 794 |
| ODP Site 795 | |
| ODP Site 796 | |
| ODP Site 797 | |
| RT | Japan Sea |
| Yamato Basin | |
| Japan Basin | |
| Kita-Yamato Trough | |
| Yamato Rise | |
| SN | Japan Basin and Yamato Basin, E Japan Sea. Sites 794-797. Added to Thesaurus in 1993. |
| Leg 128 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 128 | |
| NT | ODP Site 794 |
| ODP Site 798 | |
| ODP Site 799 | |
| RT | Japan Sea |
| Yamato Basin | |
| Japan Basin | |
| Kita-Yamato Trough | |
| Yamato Rise | |
| Oki Ridge | |
| SN | S Japan Sea. Sites 794, 798-799. Reentry of Hole 794C. Added to Thesaurus in 1993. |
| Leg 129 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 129 | |
| NT | ODP Site 800 |
| ODP Site 801 | |
| ODP Site 802 | |
| RT | Northwest Pacific |
| Mariana Trough | |
| East Mariana Basin | |
| Pigafetta Basin | |
| SN | Pigafetta and East Mariana basins, NW Pacific. Sites 800-802. Added to Thesaurus in 1993. |
| Leg 13 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 13 | |
| NT | DSDP Site 120 |
| DSDP Site 121 | |
| DSDP Site 122 | |
| DSDP Site 123 | |
| DSDP Site 124 | |
| DSDP Site 125 | |
| DSDP Site 126 | |
| DSDP Site 127 | |
| DSDP Site 128 | |
| DSDP Site 129 | |
| DSDP Site 130 | |
| DSDP Site 131 | |
| DSDP Site 132 | |
| DSDP Site 133 | |
| DSDP Site 134 | |
| RT | East Mediterranean |
| Alboran Sea | |
| West Mediterranean | |
| North Atlantic | |
| Balearic Basin | |
| Mediterranean Sea | |
| Bannock Basin | |
| Tyrrhenian Sea | |
| Valencia Trough | |
| Hellenic Trench | |
| Strabo Trench | |
| SN | Mediterranean Sea. Sites 120-134. (Site 120 is nearby in the Atlantic Ocean.). Added to Thesaurus in 1981. |
| Leg 130 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 130 | |
| NT | ODP Site 803 |
| ODP Site 804 | |
| ODP Site 805 | |
| ODP Site 806 | |
| ODP Site 807 | |
| RT | Northwest Pacific |
| Equatorial Pacific | |
| Ontong Java Plateau | |
| SN | Ontong Java Plateau, NW Equatorial Pacific. Sites 803-807. Added to Thesaurus in 1993. |
| Leg 131 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 131 | |
| NT | ODP Site 808 |
| RT | Northwest Pacific |
| SN | Nankai accretionary prism, SE of Shikoku, Japan, NW Pacific. Site 808. Added to Thesaurus in 1993. |
| Leg 132 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 132 | |
| NT | ODP Site 808 |
| ODP Site 809 | |
| ODP Site 810 | |
| RT | Northwest Pacific |
| Philippine Sea | |
| Shatsky Rise | |
| SN | NW Philippine Sea and Shatsky Rise, NW Pacific. Sites 808-810. Added to Thesaurus in 1993. |
| Leg 133 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 133 | |
| NT | ODP Site 811 |
| ODP Site 812 | |
| ODP Site 813 | |
| ODP Site 814 | |
| ODP Site 815 | |
| ODP Site 816 | |
| ODP Site 817 | |
| ODP Site 818 | |
| ODP Site 819 | |
| ODP Site 820 | |
| ODP Site 821 | |
| ODP Site 822 | |
| ODP Site 823 | |
| ODP Site 824 | |
| ODP Site 826 | |
| RT | Coral Sea |
| Queensland Plateau | |
| SN | W Coral Sea, SW Pacific. Sites 811-826. Added to Thesaurus in 1993. |
| Leg 134 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 134 | |
| NT | ODP Site 827 |
| ODP Site 828 | |
| ODP Site 829 | |
| ODP Site 830 | |
| ODP Site 831 | |
| ODP Site 832 | |
| ODP Site 833 | |
| RT | Southwest Pacific |
| Vanuatu | |
| SN | D'Entrecasteaux Zone and New Hebrides island arc, Vanuatu region, SW Pacific. Sites 827-833. Added to Thesaurus in 1993. |
| Leg 135 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 135 | |
| NT | ODP Site 834 |
| ODP Site 835 | |
| ODP Site 836 | |
| ODP Site 837 | |
| ODP Site 838 | |
| ODP Site 839 | |
| ODP Site 840 | |
| ODP Site 841 | |
| RT | Southeast Pacific |
| Lau Basin | |
| SN | Lau Basin and Tonga Ridge, SE Pacific. Sites 834-841. Added to Thesaurus in 1993. |
| Leg 136 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 136 | |
| NT | ODP Site 842 |
| ODP Site 843 | |
| RT | Northeast Pacific |
| SN | About 350 km S of the Hawaiian Islands, NE Pacific. Sites 842-843. Added to Thesaurus in 1993. |
| Leg 137 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 137 | |
| NT | DSDP Site 504 |
| RT | Northeast Pacific |
| Equatorial Pacific | |
| SN | Return to Hole 504B, E Equatorial Pacific, off Colombia. Added to Thesaurus in 1995. |
| Leg 138 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 138 | |
| NT | ODP Site 844 |
| ODP Site 845 | |
| ODP Site 846 | |
| ODP Site 847 | |
| ODP Site 848 | |
| ODP Site 849 | |
| ODP Site 850 | |
| ODP Site 851 | |
| ODP Site 852 | |
| ODP Site 853 | |
| ODP Site 854 | |
| RT | Northeast Pacific |
| Southeast Pacific | |
| East Pacific | |
| Equatorial Pacific | |
| SN | Transect in Galapagos Islands-East Pacific Rise area and transect 650-1000 km west of the East Pacific Rise, E Equatorial Pacific. Sites 844-854. Added to Thesaurus in 1993. |
| Leg 139 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 139 | |
| NT | ODP Site 855 |
| ODP Site 856 | |
| ODP Site 857 | |
| ODP Site 858 | |
| RT | Juan de Fuca Ridge |
| Leg 169 | |
| ODP Site 1035 | |
| ODP Site 1036 | |
| SN | Middle Valley Rift, Juan de Fuca Ridge, NE Pacific. Sites 855-858. Added to Thesaurus in 1995. |
| Leg 14 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 14 | |
| NT | DSDP Site 135 |
| DSDP Site 136 | |
| DSDP Site 137 | |
| DSDP Site 138 | |
| DSDP Site 139 | |
| DSDP Site 140 | |
| DSDP Site 141 | |
| DSDP Site 142 | |
| DSDP Site 143 | |
| DSDP Site 144 | |
| RT | North Atlantic |
| SN | N Atlantic Ocean off the coasts of Africa and South America. Sites 135-144. Added to Thesaurus in 1981. |
| Leg 140 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 140 | |
| NT | DSDP Site 504 |
| RT | Northeast Pacific |
| Equatorial Pacific | |
| SN | Return to Hole 504B, E Equatorial Pacific, off Colombia. Added to Thesaurus in 1995. |
| Leg 141 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 141 | |
| NT | ODP Site 859 |
| ODP Site 860 | |
| ODP Site 861 | |
| ODP Site 862 | |
| ODP Site 863 | |
| RT | Chile Margin Triple Junction |
| Southeast Pacific | |
| Peru-Chile Trench | |
| SN | Chile Margin Triple Junction, SE Pacific. Sites 859-863. Added to Thesaurus in 1995. |
| Leg 142 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 142 | |
| NT | ODP Site 864 |
| RT | Northeast Pacific |
| Equatorial Pacific | |
| East Pacific Rise | |
| SN | East Pacific Rise, E Equatorial Pacific. Site 864. Added to Thesaurus in 1995. |
| Leg 143 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 143 | |
| NT | ODP Site 865 |
| ODP Site 866 | |
| ODP Site 867 | |
| ODP Site 868 | |
| ODP Site 869 | |
| ODP Site 870 | |
| RT | North Pacific |
| Northeast Pacific | |
| Northwest Pacific | |
| Resolution Seamount | |
| Mid-Pacific Mountains | |
| Marshall Islands | |
| Wodejebato Seamount | |
| SN | Northwest Pacific seamounts, Mid-Pacific Mountains and Marshall Islands region. Sites 865-870. Added to Thesaurus in 1995. |
| Leg 144 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 144 | |
| NT | ODP Site 801 |
| ODP Site 871 | |
| ODP Site 872 | |
| ODP Site 873 | |
| ODP Site 874 | |
| ODP Site 875 | |
| ODP Site 876 | |
| ODP Site 877 | |
| ODP Site 878 | |
| ODP Site 879 | |
| ODP Site 880 | |
| RT | Marshall Islands |
| Pigafetta Basin | |
| Wodejebato Seamount | |
| SN | Central Pigafetta Basin and Marshall Islands region, west-central Pacific. Reentry of Hole 801C and Sites 871-880. Added to Thesaurus in 1995. |
| Leg 145 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 145 | |
| NT | ODP Site 881 |
| ODP Site 882 | |
| ODP Site 883 | |
| ODP Site 884 | |
| ODP Site 885 | |
| ODP Site 886 | |
| ODP Site 887 | |
| RT | North Pacific |
| Northeast Pacific | |
| Northwest Pacific | |
| SN | North Pacific transect from W Pacific to Patton-Murray seamounts, S of Gulf of Alaska. Sites 881-887. Added to Thesaurus in 1995. |
| Leg 146 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 146 | |
| NT | ODP Site 857 |
| ODP Site 888 | |
| ODP Site 889 | |
| ODP Site 890 | |
| ODP Site 891 | |
| ODP Site 892 | |
| ODP Site 893 | |
| RT | Northeast Pacific |
| Juan de Fuca Ridge | |
| Vancouver Island | |
| Cascadia subduction zone | |
| Leg 168 | |
| Santa Barbara Basin | |
| Leg 167 | |
| SN | Cascadia margin, NE Pacific. Sites 857, 888-893. Added to Thesaurus in 1995. |
| Leg 147 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 147 | |
| NT | ODP Site 894 |
| ODP Site 895 | |
| RT | Northeast Pacific |
| Equatorial Pacific | |
| Galapagos Rift | |
| Hess Deep | |
| SN | Hess Deep intra-rift ridge, Galapagos Rift, E Equatorial Pacific. Sites 894-895. Added to Thesaurus in 1995. |
| Leg 148 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 148 | |
| NT | DSDP Site 504 |
| ODP Site 896 | |
| RT | Northeast Pacific |
| Equatorial Pacific | |
| Costa Rica Rift | |
| Leg 9 | |
| SN | Return to Hole 504B, Costa Rica Rift, E Equatorial Pacific, off Colombia. Also Site 896. Added to Thesaurus in 1995. |
| Leg 149 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 149 | |
| NT | ODP Site 897 |
| ODP Site 898 | |
| ODP Site 899 | |
| ODP Site 900 | |
| ODP Site 901 | |
| RT | North Atlantic |
| Iberian abyssal plain | |
| Leg 173 | |
| SN | Iberian abyssal plain, NE Atlantic. Sites 897-901. Added to Thesaurus in 1995. |
| Leg 15 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 15 | |
| NT | DSDP Site 146 |
| DSDP Site 147 | |
| DSDP Site 148 | |
| DSDP Site 149 | |
| DSDP Site 150 | |
| DSDP Site 151 | |
| DSDP Site 152 | |
| DSDP Site 153 | |
| DSDP Site 154 | |
| RT | Caribbean Sea |
| Aves Ridge | |
| Beata Ridge | |
| Colombian Basin | |
| Venezuelan Basin | |
| Nicaragua Rise | |
| SN | Caribbean Sea. Sites 145-154. Added to Thesaurus in 1981. |
| Leg 150 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 150 | |
| NT | ODP Site 902 |
| ODP Site 903 | |
| ODP Site 904 | |
| ODP Site 905 | |
| ODP Site 906 | |
| RT | North Atlantic |
| Leg 174A | |
| SN | New Jersey continental margin, NW Atlantic. Sites 902-906. Added to Thesaurus in 1995. |
| Leg 151 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 151 | |
| NT | ODP Site 907 |
| ODP Site 908 | |
| ODP Site 909 | |
| ODP Site 910 | |
| ODP Site 911 | |
| ODP Site 912 | |
| ODP Site 913 | |
| RT | Arctic Ocean |
| North Atlantic | |
| Norwegian Sea | |
| Fram Strait | |
| Yermak Plateau | |
| SN | N Atlantic to Arctic transect. Sites 907-913. Added to Thesaurus in 1995. |
| Leg 152 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 152 | |
| NT | ODP Site 914 |
| ODP Site 915 | |
| ODP Site 916 | |
| ODP Site 917 | |
| ODP Site 918 | |
| ODP Site 919 | |
| RT | Greenland |
| North Atlantic | |
| Leg 163 | |
| ODP Site 989 | |
| SN | SE Greenland continental margin. Sites 914-919. |
| Leg 153 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 153 | |
| NT | ODP Site 920 |
| ODP Site 921 | |
| ODP Site 922 | |
| ODP Site 923 | |
| ODP Site 924 | |
| RT | North Atlantic |
| Mid-Atlantic Ridge | |
| Leg 109 | |
| Kane fracture zone | |
| ODP Site 669 | |
| Leg 106 | |
| ODP Site 648 | |
| ODP Site 649 | |
| SN | Western median valley wall, Mid-Atlantic Ridge S of Kane Transform (MARK). Sites 920-924. |
| Leg 154 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 154 | |
| NT | ODP Site 925 |
| ODP Site 926 | |
| ODP Site 927 | |
| ODP Site 928 | |
| ODP Site 929 | |
| RT | Leg 39 |
| Mid-Atlantic Ridge | |
| Equatorial Atlantic | |
| DSDP Site 354 | |
| SN | Ceara Rise, off the Amazon Fan, Equatorial Atlantic. Sites 925-929. |
| Leg 155 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 155 | |
| NT | ODP Site 930 |
| ODP Site 931 | |
| ODP Site 932 | |
| ODP Site 933 | |
| ODP Site 934 | |
| ODP Site 935 | |
| ODP Site 936 | |
| ODP Site 937 | |
| ODP Site 938 | |
| ODP Site 939 | |
| ODP Site 940 | |
| ODP Site 941 | |
| ODP Site 942 | |
| ODP Site 943 | |
| ODP Site 944 | |
| ODP Site 945 | |
| ODP Site 946 | |
| RT | Equatorial Atlantic |
| Northwest Atlantic | |
| SN | Amazon Canyons, W Equatorial Atlantic, off Brazil. Sites 930-946. |
| Leg 156 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 156 | |
| NT | ODP Site 947 |
| ODP Site 948 | |
| ODP Site 949 | |
| RT | Leg 171A |
| Barbados Ridge | |
| DSDP Site 541 | |
| Leg 110 | |
| Leg 78A | |
| ODP Site 671 | |
| SN | Northern Barbados accretionary prism convergent margin, NW Atlantic. Sites 947-949. |
| Leg 157 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 157 | |
| NT | ODP Site 950 |
| ODP Site 951 | |
| ODP Site 952 | |
| ODP Site 953 | |
| ODP Site 954 | |
| ODP Site 955 | |
| ODP Site 956 | |
| RT | Canary Islands |
| DSDP Site 397 | |
| Leg 47 | |
| DSDP Site 398 | |
| Madeira abyssal plain | |
| SN | Canary Islands and Madeira abyssal plain, NE Atlantic. Sites 950-956. |
| Leg 158 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 158 | |
| NT | ODP Site 957 |
| RT | North Atlantic |
| Mid-Atlantic Ridge | |
| TAG hydrothermal field | |
| SN | TAG hydrothermal field, N Mid-Atlantic Ridge. Site 957. |
| Leg 159 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 159 | |
| NT | ODP Site 959 |
| ODP Site 960 | |
| ODP Site 961 | |
| ODP Site 962 | |
| RT | Equatorial Atlantic |
| SN | Ivory Coast-Ghana transform continental margin, E Equatorial Atlantic. Sites 959-962. |
| Leg 159T | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 159T | |
| NT | ODP Site 958 |
| RT | North Atlantic |
| SN | E Canary Basin, NE Atlantic. Site 958. |
| Leg 16 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 16 | |
| NT | DSDP Site 155 |
| DSDP Site 156 | |
| DSDP Site 157 | |
| DSDP Site 158 | |
| DSDP Site 159 | |
| DSDP Site 160 | |
| DSDP Site 161 | |
| DSDP Site 162 | |
| DSDP Site 163 | |
| RT | Northeast Pacific |
| Southeast Pacific | |
| Carnegie Ridge | |
| Equatorial Pacific | |
| Cocos Ridge | |
| East Pacific Rise | |
| SN | E Equatorial Pacific. Sites 155-163. Added to Thesaurus in 1981. |
| Leg 160 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 160 | |
| NT | ODP Site 963 |
| ODP Site 964 | |
| ODP Site 965 | |
| ODP Site 966 | |
| ODP Site 967 | |
| ODP Site 968 | |
| ODP Site 969 | |
| ODP Site 970 | |
| ODP Site 971 | |
| ODP Site 972 | |
| ODP Site 973 | |
| RT | East Mediterranean |
| Mediterranean Ridge | |
| SN | Ionian Basin, Mediterranean Ridge, and Eratosthenes Seamount, East Mediterranean. Sites 963-973. |
| Leg 161 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 161 | |
| NT | ODP Site 974 |
| ODP Site 975 | |
| ODP Site 976 | |
| ODP Site 977 | |
| ODP Site 978 | |
| ODP Site 979 | |
| RT | Alboran Sea |
| West Mediterranean | |
| Tyrrhenian Sea | |
| Minorca Rise | |
| SN | Tyrrhenian Sea, Minorca Rise, and Alboran Sea, West Mediterranean. Sites 974-979. |
| Leg 162 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 162 | |
| NT | ODP Site 907 |
| ODP Site 980 | |
| ODP Site 981 | |
| ODP Site 982 | |
| ODP Site 983 | |
| ODP Site 984 | |
| ODP Site 985 | |
| ODP Site 986 | |
| ODP Site 987 | |
| RT | North Atlantic |
| Norwegian Sea | |
| SN | Arctic Gateways, N Atlantic (including Norwegian Sea). Sites 907, 980-987. |
| Leg 163 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 163 | |
| NT | ODP Site 988 |
| ODP Site 989 | |
| ODP Site 990 | |
| RT | North Atlantic |
| Leg 152 | |
| SN | SE Greenland continental shelf, S Denmark Strait, N Atlantic. Sites 988-990. |
| Leg 164 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 164 | |
| NT | ODP Site 991 |
| ODP Site 992 | |
| ODP Site 993 | |
| ODP Site 994 | |
| ODP Site 995 | |
| ODP Site 996 | |
| ODP Site 997 | |
| RT | Leg 172 |
| Blake-Bahama Outer Ridge | |
| Northwest Atlantic | |
| SN | Blake-Bahama Outer Ridge and Cape Fear Slide of Carolina Rise, NW Atlantic. Sites 991-997. |
| Leg 165 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 165 | |
| NT | ODP Site 1000 |
| ODP Site 1001 | |
| ODP Site 1002 | |
| ODP Site 998 | |
| ODP Site 999 | |
| RT | Caribbean Sea |
| SN | Caribbean Sea. Sites 998-1002. |
| Leg 166 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 166 | |
| NT | ODP Site 1003 |
| ODP Site 1004 | |
| ODP Site 1005 | |
| ODP Site 1006 | |
| ODP Site 1007 | |
| ODP Site 1008 | |
| ODP Site 1009 | |
| RT | Great Bahama Bank |
| Northwest Atlantic | |
| Straits of Florida | |
| SN | Great Bahama Bank, Straits of Florida, NW Atlantic. Sites 1003-1009. |
| Leg 167 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 167 | |
| NT | ODP Site 1010 |
| ODP Site 1011 | |
| ODP Site 1012 | |
| ODP Site 1013 | |
| ODP Site 1014 | |
| ODP Site 1015 | |
| ODP Site 1016 | |
| ODP Site 1017 | |
| ODP Site 1018 | |
| ODP Site 1019 | |
| ODP Site 1020 | |
| ODP Site 1021 | |
| ODP Site 1022 | |
| RT | Northeast Pacific |
| Leg 146 | |
| ODP Site 893 | |
| SN | California margin, NE Pacific. Sites 1010-1022. |
| Leg 168 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 168 | |
| NT | ODP Site 1023 |
| ODP Site 1024 | |
| ODP Site 1025 | |
| ODP Site 1026 | |
| ODP Site 1027 | |
| ODP Site 1028 | |
| ODP Site 1029 | |
| ODP Site 1030 | |
| ODP Site 1031 | |
| ODP Site 1032 | |
| RT | Juan de Fuca Ridge |
| Northwest Pacific | |
| Cascadia Basin | |
| Leg 146 | |
| SN | Cascadia Basin, E flank Juan de Fuca Ridge, NW Pacific. Sites 1023-1032. |
| Leg 169 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 169 | |
| NT | ODP Site 1035 |
| ODP Site 1036 | |
| ODP Site 1037 | |
| ODP Site 1038 | |
| ODP Site 856 | |
| ODP Site 858 | |
| RT | Northeast Pacific |
| Juan de Fuca Ridge | |
| Escanaba Trough | |
| Leg 139 | |
| SN | Middle Valley of the N Juan de Fuca Ridge area and Escanaba Trough, NE Pacific. Sites 1035-1038. Holes from sites 856 and 858 were re-entered. |
| Leg 169S | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 169S | |
| NT | ODP Site 1033 |
| ODP Site 1034 | |
| RT | British Columbia |
| Vancouver Island | |
| Saanich Inlet | |
| SN | Saanich Inlet, SE Vancouver Island, SW British Columbia. Sites 1033-1034. |
| Leg 17 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 17 | |
| NT | DSDP Site 164 |
| DSDP Site 165 | |
| DSDP Site 166 | |
| DSDP Site 167 | |
| DSDP Site 168 | |
| DSDP Site 169 | |
| DSDP Site 170 | |
| DSDP Site 171 | |
| RT | North Pacific |
| Northeast Pacific | |
| Northwest Pacific | |
| Equatorial Pacific | |
| SN | N central and Equatorial Pacific. Sites 164-171. Added to Thesaurus in 1981. |
| Leg 170 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 170 | |
| NT | ODP Site 1039 |
| ODP Site 1040 | |
| ODP Site 1041 | |
| ODP Site 1042 | |
| ODP Site 1043 | |
| RT | Northeast Pacific |
| Leg 84 | |
| Middle America Trench | |
| SN | Costa Rica margin, Middle America Trench region, NE Pacific. Sites 1039-1043. |
| Leg 171A | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 171A | |
| NT | ODP Site 1044 |
| ODP Site 1045 | |
| ODP Site 1046 | |
| ODP Site 1047 | |
| ODP Site 1048 | |
| RT | North Atlantic |
| Barbados | |
| Leg 110 | |
| Leg 156 | |
| Leg 78A | |
| Blake Nose | |
| SN | Northern Barbados accretionary prism, NW Atlantic. Sites 1044-1048. |
| Leg 171B | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 171B | |
| NT | ODP Site 1049 |
| ODP Site 1050 | |
| ODP Site 1051 | |
| ODP Site 1052 | |
| ODP Site 1053 | |
| RT | North Atlantic |
| Blake Nose | |
| Leg 44 | |
| SN | Blake Nose transect, NW Atlantic. Sites 1049-1053. |
| Leg 172 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 172 | |
| NT | ODP Site 1054 |
| ODP Site 1055 | |
| ODP Site 1056 | |
| ODP Site 1057 | |
| ODP Site 1058 | |
| ODP Site 1059 | |
| ODP Site 1060 | |
| ODP Site 1061 | |
| ODP Site 1062 | |
| ODP Site 1063 | |
| ODP Site 1064 | |
| RT | North Atlantic |
| Leg 11 | |
| Bermuda Rise | |
| Blake-Bahama Outer Ridge | |
| Leg 164 | |
| Sohm abyssal plain | |
| Leg 76 | |
| SN | Blake-Bahama Outer Ridge, Carolina Slope, Sohm abyssal plain, and Bermuda Rise, NW Atlantic. Sites 1054-1064. |
| Leg 173 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 173 | |
| NT | ODP Site 1065 |
| ODP Site 1067 | |
| ODP Site 1068 | |
| ODP Site 1069 | |
| ODP Site 1070 | |
| RT | North Atlantic |
| Leg 47 | |
| Iberian abyssal plain | |
| Leg 103 | |
| Leg 149 | |
| SN | W Iberia continental margin, NE Atlantic. Sites 1065-1070. |
| Leg 174A | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 174A | |
| NT | ODP Site 1071 |
| ODP Site 1072 | |
| ODP Site 1073 | |
| RT | North Atlantic |
| Leg 150 | |
| SN | New Jersey continental margin, NW Atlantic. Sites 1071-1073. |
| Leg 174B | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 174B | |
| NT | DSDP Site 395 |
| ODP Site 1074 | |
| RT | North Atlantic |
| Mid-Atlantic Ridge | |
| SN | N central Atlantic Ocean near the Mid-Atlantic Ridge axis. Site 1074. Hole 395A was reentered. |
| Leg 175 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 175 | |
| NT | ODP Site 1075 |
| ODP Site 1076 | |
| ODP Site 1077 | |
| ODP Site 1078 | |
| ODP Site 1079 | |
| ODP Site 1080 | |
| ODP Site 1081 | |
| ODP Site 1082 | |
| ODP Site 1083 | |
| ODP Site 1084 | |
| ODP Site 1085 | |
| ODP Site 1086 | |
| ODP Site 1087 | |
| RT | South Atlantic |
| Leg 40 | |
| Leg 75 | |
| SN | SE Atlantic Ocean. Sites 1075-1087. |
| Leg 176 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 176 | |
| NT | ODP Site 735 |
| RT | Atlantis II fracture zone |
| Leg 118 | |
| Southwest Indian Ridge | |
| SN | Atlantis II fracture zone, Southwest Indian Ridge, Indian Ocean. Return to Site 735, Hole B. |
| Leg 177 | |
|---|---|
| BT | Ocean Drilling Program |
| .Leg 177 | |
| NT | ODP Site 1088 |
| ODP Site 1089 | |
| ODP Site 1090 | |
| ODP Site 1091 | |
| ODP Site 1092 | |
| ODP Site 1093 | |
| ODP Site 1094 | |
| RT | South Atlantic |
| Leg 114 | |
| SN | SE Atlantic. Sites 1088-1094. |
| Leg 18 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 18 | |
| NT | DSDP Site 172 |
| DSDP Site 173 | |
| DSDP Site 174 | |
| DSDP Site 175 | |
| DSDP Site 176 | |
| DSDP Site 177 | |
| DSDP Site 178 | |
| DSDP Site 179 | |
| DSDP Site 180 | |
| DSDP Site 181 | |
| DSDP Site 182 | |
| RT | Northeast Pacific |
| SN | NE Pacific Ocean. Sites 172-182, from off California and Oregon to the Gulf of Alaska. |
| Leg 19 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 19 | |
| NT | DSDP Site 183 |
| DSDP Site 184 | |
| DSDP Site 185 | |
| DSDP Site 186 | |
| DSDP Site 187 | |
| DSDP Site 188 | |
| DSDP Site 189 | |
| DSDP Site 190 | |
| DSDP Site 191 | |
| DSDP Site 192 | |
| DSDP Site 193 | |
| RT | Aleutian Trench |
| Bering Sea | |
| North Pacific | |
| SN | Bering Sea and N Pacific Ocean. Sites 183-193, roughly following Aleutian Trench to E of the Kuril Trench. Added to Thesaurus in 1981. |
| Leg 2 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 2 | |
| NT | DSDP Site 10 |
| DSDP Site 11 | |
| DSDP Site 12 | |
| DSDP Site 8 | |
| DSDP Site 9 | |
| RT | North Atlantic |
| SN | N Atlantic Ocean. Sites 8-12, from NW of Bermuda to NW of Cape Verde Islands. Added to Thesaurus in 1981. |
| Leg 20 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 20 | |
| NT | DSDP Site 194 |
| DSDP Site 195 | |
| DSDP Site 196 | |
| DSDP Site 197 | |
| DSDP Site 198 | |
| DSDP Site 199 | |
| DSDP Site 200 | |
| DSDP Site 202 | |
| RT | Northwest Pacific |
| Equatorial Pacific | |
| SN | NW Pacific Ocean. Sites 194-202, from E of the Japan and Bonin trenches, to E of the Mariana Trench, and W of the Marshall Islands. Added to Thesaurus in 1981. |
| Leg 21 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 21 | |
| NT | DSDP Site 203 |
| DSDP Site 204 | |
| DSDP Site 205 | |
| DSDP Site 206 | |
| DSDP Site 207 | |
| DSDP Site 208 | |
| DSDP Site 209 | |
| DSDP Site 210 | |
| RT | South Pacific |
| Southwest Pacific | |
| Tasman Sea | |
| Southeast Pacific | |
| Coral Sea | |
| Lord Howe Rise | |
| Queensland Plateau | |
| SN | SW Pacific Ocean. Sites 203-210, primarily W of the Tonga and Kermadec trenches and New Zealand, and in the Coral Sea. Added to Thesaurus in 1981. |
| Leg 22 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 22 | |
| NT | DSDP Site 211 |
| DSDP Site 212 | |
| DSDP Site 213 | |
| DSDP Site 214 | |
| DSDP Site 215 | |
| DSDP Site 216 | |
| DSDP Site 217 | |
| DSDP Site 218 | |
| RT | Indian Ocean |
| Wharton Basin | |
| Ninetyeast Ridge | |
| SN | E Indian Ocean. Sites 211-218. Added to Thesaurus in 1981. |
| Leg 23 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 23 | |
| NT | DSDP Site 219 |
| DSDP Site 220 | |
| DSDP Site 221 | |
| DSDP Site 222 | |
| DSDP Site 223 | |
| DSDP Site 224 | |
| DSDP Site 225 | |
| DSDP Site 226 | |
| DSDP Site 227 | |
| DSDP Site 228 | |
| DSDP Site 229 | |
| DSDP Site 230 | |
| RT | Indian Ocean |
| Arabian Sea | |
| Red Sea | |
| SN | Arabian Sea and Red Sea. Sites 219-230. Added to Thesaurus in 1981. |
| Leg 24 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 24 | |
| NT | DSDP Site 231 |
| DSDP Site 232 | |
| DSDP Site 233 | |
| DSDP Site 234 | |
| DSDP Site 235 | |
| DSDP Site 236 | |
| DSDP Site 237 | |
| DSDP Site 238 | |
| RT | Indian Ocean |
| Gulf of Aden | |
| Somali Basin | |
| SN | W Indian Ocean and Gulf of Aden. Sites 231-238. Added to Thesaurus in 1981. |
| Leg 25 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 25 | |
| NT | DSDP Site 239 |
| DSDP Site 240 | |
| DSDP Site 241 | |
| DSDP Site 242 | |
| DSDP Site 243 | |
| DSDP Site 244 | |
| DSDP Site 245 | |
| DSDP Site 246 | |
| DSDP Site 247 | |
| DSDP Site 248 | |
| DSDP Site 249 | |
| RT | Indian Ocean |
| Madagascar Basin | |
| SN | W Indian Ocean. Sites 239-249. |
| Leg 26 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 26 | |
| NT | DSDP Site 250 |
| DSDP Site 251 | |
| DSDP Site 252 | |
| DSDP Site 253 | |
| DSDP Site 254 | |
| DSDP Site 255 | |
| DSDP Site 256 | |
| DSDP Site 257 | |
| DSDP Site 258 | |
| RT | Indian Ocean |
| Broken Ridge | |
| Wharton Basin | |
| Ninetyeast Ridge | |
| Naturaliste Plateau | |
| SN | S Indian Ocean. Sites 250-258. Added to Thesaurus in 1981. |
| Leg 27 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 27 | |
| NT | DSDP Site 259 |
| DSDP Site 260 | |
| DSDP Site 261 | |
| DSDP Site 262 | |
| DSDP Site 263 | |
| RT | Indian Ocean |
| Perth abyssal plain | |
| SN | E Indian Ocean. Sites 259-263. |
| Leg 28 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 28 | |
| NT | DSDP Site 264 |
| DSDP Site 265 | |
| DSDP Site 266 | |
| DSDP Site 267 | |
| DSDP Site 268 | |
| DSDP Site 269 | |
| DSDP Site 270 | |
| DSDP Site 271 | |
| DSDP Site 272 | |
| DSDP Site 273 | |
| DSDP Site 274 | |
| RT | Indian Ocean |
| Antarctic Ocean | |
| Southeast Indian Ridge | |
| Naturaliste Plateau | |
| Ross Sea | |
| SN | E Indian Ocean, and Antarctic Ocean S of Australia and New Zealand. Sites 264-274. Added to Thesaurus in 1981. |
| Leg 29 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 29 | |
| NT | DSDP Site 275 |
| DSDP Site 276 | |
| DSDP Site 277 | |
| DSDP Site 278 | |
| DSDP Site 279 | |
| DSDP Site 280 | |
| DSDP Site 281 | |
| DSDP Site 282 | |
| DSDP Site 283 | |
| DSDP Site 284 | |
| RT | Antarctic Ocean |
| Southwest Pacific | |
| DSDP Site 593 | |
| SN | Pacific and Antarctic oceans, S of Australia and New Zealand. Sites 275-284. Added to Thesaurus in 1981. |
| Leg 3 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 3 | |
| NT | DSDP Site 13 |
| DSDP Site 14 | |
| DSDP Site 15 | |
| DSDP Site 16 | |
| DSDP Site 17 | |
| DSDP Site 18 | |
| DSDP Site 19 | |
| DSDP Site 20 | |
| DSDP Site 21 | |
| DSDP Site 22 | |
| RT | South Atlantic |
| Brazil Basin | |
| Mid-Atlantic Ridge | |
| SN | S Atlantic Ocean. Sites 13-22, primarily spanning the Mid-Atlantic Ridge at approximately S30#DG, W to the Rio Grande Rise. Added to Thesaurus in 1981. |
| Leg 30 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 30 | |
| NT | DSDP Site 285 |
| DSDP Site 286 | |
| DSDP Site 287 | |
| DSDP Site 288 | |
| DSDP Site 289 | |
| RT | Southwest Pacific |
| Coral Sea | |
| Vanuatu | |
| Ontong Java Plateau | |
| SN | SW Pacific Ocean. Sites 285-289 in the South Fiji Basin, Vanuatu, Coral Sea, and Ontong Java Plateau. Added to Thesaurus in 1981. |
| Leg 31 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 31 | |
| NT | DSDP Site 290 |
| DSDP Site 291 | |
| DSDP Site 292 | |
| DSDP Site 293 | |
| DSDP Site 294 | |
| DSDP Site 295 | |
| DSDP Site 296 | |
| DSDP Site 297 | |
| DSDP Site 298 | |
| DSDP Site 299 | |
| DSDP Site 300 | |
| DSDP Site 301 | |
| DSDP Site 302 | |
| RT | Northwest Pacific |
| Philippine Sea | |
| West Philippine Basin | |
| Japan Sea | |
| Yamato Basin | |
| SN | Japan Sea and W Philippine Sea. Sites 290-302. Added to Thesaurus in 1981. |
| Leg 32 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 32 | |
| NT | DSDP Site 303 |
| DSDP Site 304 | |
| DSDP Site 305 | |
| DSDP Site 306 | |
| DSDP Site 307 | |
| DSDP Site 308 | |
| DSDP Site 309 | |
| DSDP Site 310 | |
| DSDP Site 311 | |
| DSDP Site 312 | |
| DSDP Site 313 | |
| RT | Northwest Pacific |
| SN | NW Pacific Ocean. Sites 303-313, from E of the Kuril and Bonin trenches to the Emperor Seamounts and the Necker Ridge. Added to Thesaurus in 1981. |
| Leg 33 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 33 | |
| NT | DSDP Site 314 |
| DSDP Site 315 | |
| DSDP Site 316 | |
| DSDP Site 317 | |
| DSDP Site 318 | |
| RT | Northeast Pacific |
| Southeast Pacific | |
| East Pacific | |
| Equatorial Pacific | |
| SN | Central equatorial Pacific Ocean. Sites 314-318. Added to Thesaurus in 1981. |
| Leg 34 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 34 | |
| NT | DSDP Site 319 |
| DSDP Site 320 | |
| DSDP Site 321 | |
| RT | Southeast Pacific |
| SN | SE Pacific Ocean. Sites 319-321. Added to Thesaurus in 1981. |
| Leg 35 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 35 | |
| NT | DSDP Site 322 |
| DSDP Site 323 | |
| DSDP Site 324 | |
| DSDP Site 325 | |
| RT | Antarctic Ocean |
| SN | Antarctic Ocean, S of the SE Pacific Ocean. Sites 322-325. Added to Thesaurus in 1981. |
| Leg 36 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 36 | |
| NT | DSDP Site 326 |
| DSDP Site 327 | |
| DSDP Site 328 | |
| DSDP Site 329 | |
| DSDP Site 330 | |
| DSDP Site 331 | |
| RT | South Atlantic |
| Antarctic Ocean | |
| Drake Passage | |
| Scotia Sea | |
| Falkland Plateau | |
| SN | Drake Passage, Scotia Sea, and SW Atlantic Ocean. Sites 326-331. Added to Thesaurus in 1981. |
| Leg 37 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 37 | |
| NT | DSDP Site 332 |
| DSDP Site 333 | |
| DSDP Site 334 | |
| DSDP Site 335 | |
| RT | North Atlantic |
| Mid-Atlantic Ridge | |
| SN | In vicinity of the Mid-Atlantic Ridge, W of the Azores, N Atlantic Ocean. Sites 332-335. Added to Thesaurus in 1981. |
| Leg 38 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 38 | |
| NT | DSDP Site 336 |
| DSDP Site 337 | |
| DSDP Site 338 | |
| DSDP Site 339 | |
| DSDP Site 340 | |
| DSDP Site 341 | |
| DSDP Site 342 | |
| DSDP Site 343 | |
| DSDP Site 344 | |
| DSDP Site 345 | |
| DSDP Site 346 | |
| DSDP Site 347 | |
| DSDP Site 348 | |
| DSDP Site 349 | |
| DSDP Site 350 | |
| DSDP Site 352 | |
| RT | North Atlantic |
| Iceland-Faeroe Ridge | |
| Norwegian Sea | |
| Voring Plateau | |
| Jan Mayen Ridge | |
| SN | Norwegian Sea. Sites 336-352. Added to Thesaurus in 1981. |
| Leg 39 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 39 | |
| NT | DSDP Site 353 |
| DSDP Site 354 | |
| DSDP Site 355 | |
| DSDP Site 356 | |
| DSDP Site 357 | |
| DSDP Site 358 | |
| DSDP Site 359 | |
| RT | North Atlantic |
| South Atlantic | |
| Atlantic Ocean | |
| Brazil Basin | |
| Argentine Basin | |
| Mid-Atlantic Ridge | |
| Equatorial Atlantic | |
| Rio Grande Rise | |
| Vema fracture zone | |
| Leg 154 | |
| Walvis Ridge | |
| SN | W and SE Atlantic Ocean. Sites 353-359. Added to Thesaurus in 1981. |
| Leg 4 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 4 | |
| NT | DSDP Site 23 |
| DSDP Site 24 | |
| DSDP Site 25 | |
| DSDP Site 26 | |
| DSDP Site 27 | |
| DSDP Site 28 | |
| DSDP Site 29 | |
| DSDP Site 30 | |
| DSDP Site 31 | |
| RT | North Atlantic |
| South Atlantic | |
| Atlantic Ocean | |
| Caribbean Sea | |
| SN | W Atlantic Ocean, NE of Brazil to the Puerto Rico Trench area and the Caribbean Sea. Sites 23-31. Added to Thesaurus in 1981. |
| Leg 40 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 40 | |
| NT | DSDP Site 360 |
| DSDP Site 361 | |
| DSDP Site 362 | |
| DSDP Site 363 | |
| DSDP Site 364 | |
| DSDP Site 365 | |
| RT | Angola Basin |
| South Atlantic | |
| Cape Basin | |
| Walvis Ridge | |
| Leg 175 | |
| SN | SE Atlantic Ocean. Sites 360-365. Added to Thesaurus in 1981. |
| Leg 41 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 41 | |
| NT | DSDP Site 366 |
| DSDP Site 367 | |
| DSDP Site 368 | |
| DSDP Site 369 | |
| DSDP Site 370 | |
| RT | North Atlantic |
| Cape Verde Basin | |
| Cape Verde Rise | |
| Sierra Leone Rise | |
| SN | NE Atlantic, off the coast of West Africa. Sites 366-370. Added to Thesaurus in 1981. |
| Leg 42A | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 42A | |
| NT | DSDP Site 371 |
| DSDP Site 372 | |
| DSDP Site 373 | |
| DSDP Site 374 | |
| DSDP Site 375 | |
| DSDP Site 376 | |
| DSDP Site 377 | |
| DSDP Site 378 | |
| RT | East Mediterranean |
| West Mediterranean | |
| Balearic Basin | |
| Mediterranean Sea | |
| Bannock Basin | |
| Ionian Sea | |
| Florence Rise | |
| Mediterranean Ridge | |
| SN | Mediterranean Sea. Sites 371-378. Added to Thesaurus in 1981. |
| Leg 42B | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 42B | |
| NT | DSDP Site 379 |
| DSDP Site 380 | |
| DSDP Site 381 | |
| RT | Black Sea |
| SN | Black Sea. Sites 379-381. Added to Thesaurus in 1981. |
| Leg 43 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 43 | |
| NT | DSDP Site 382 |
| DSDP Site 383 | |
| DSDP Site 384 | |
| DSDP Site 385 | |
| DSDP Site 386 | |
| DSDP Site 387 | |
| RT | North Atlantic |
| Bermuda Rise | |
| New England Seamounts | |
| SN | NW Atlantic. Sites 382-387. Added to Thesaurus in 1981. |
| Leg 44 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 44 | |
| NT | DSDP Site 388 |
| DSDP Site 389 | |
| DSDP Site 390 | |
| DSDP Site 391 | |
| DSDP Site 392 | |
| RT | North Atlantic |
| Blake Nose | |
| Leg 171B | |
| Blake-Bahama Basin | |
| Blake-Bahama Outer Ridge | |
| SN | Central NW Atlantic Ocean. Sites 388-392. Added to Thesaurus in 1981. |
| Leg 45 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 45 | |
| NT | DSDP Site 395 |
| DSDP Site 396 | |
| RT | North Atlantic |
| Mid-Atlantic Ridge | |
| SN | First cruise of the International Phase of Ocean Drilling (IPOD) of the Deep Sea Drilling Project. N central Atlantic Ocean. Sites 395-396. |
| Leg 46 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 46 | |
| NT | DSDP Site 396 |
| RT | North Atlantic |
| Mid-Atlantic Ridge | |
| SN | N central Atlantic Ocean. Site 396B, near the Mid-Atlantic Ridge axis. |
| Leg 47 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 47 | |
| NT | DSDP Site 397 |
| DSDP Site 398 | |
| RT | North Atlantic |
| Leg 157 | |
| Cape Bojador | |
| Iberian abyssal plain | |
| Leg 173 | |
| SN | NE Atlantic Ocean. Sites 397-398, off NW Africa near the Canary Islands and off SW Europe near Portugal. Added to Thesaurus in 1981. |
| Leg 48 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 48 | |
| NT | DSDP Site 399 |
| DSDP Site 400 | |
| DSDP Site 401 | |
| DSDP Site 402 | |
| DSDP Site 403 | |
| DSDP Site 404 | |
| DSDP Site 405 | |
| DSDP Site 406 | |
| RT | North Atlantic |
| Bay of Biscay | |
| Rockall Plateau | |
| SN | Bay of Biscay and Rockall Plateau, NE Atlantic Ocean. Sites 399-406. |
| Leg 49 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 49 | |
| NT | DSDP Site 407 |
| DSDP Site 408 | |
| DSDP Site 409 | |
| DSDP Site 410 | |
| DSDP Site 411 | |
| DSDP Site 412 | |
| DSDP Site 413 | |
| RT | North Atlantic |
| Mid-Atlantic Ridge | |
| Reykjanes Ridge | |
| SN | N Atlantic Ocean near Iceland and along the Mid-Atlantic Ridge. Sites 407-414. Added to Thesaurus in 1981. |
| Leg 5 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 5 | |
| NT | DSDP Site 32 |
| DSDP Site 33 | |
| DSDP Site 34 | |
| DSDP Site 35 | |
| DSDP Site 36 | |
| DSDP Site 37 | |
| DSDP Site 38 | |
| DSDP Site 39 | |
| DSDP Site 40 | |
| DSDP Site 41 | |
| DSDP Site 42 | |
| DSDP Site 43 | |
| RT | Northeast Pacific |
| SN | NE Pacific Ocean. Sites 32-43, off California and across the Mendocino, Murray, and Clarion fracture zones at approximately W140#DG. Added to Thesaurus in 1981. |
| Leg 50 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 50 | |
| NT | DSDP Site 415 |
| DSDP Site 416 | |
| RT | North Atlantic |
| SN | NE Atlantic Ocean, off Morocco. Sites 415-416. Added to Thesaurus in 1981. |
| Leg 51 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 51 | |
| NT | DSDP Site 417 |
| RT | Bermuda Rise |
| SN | NW Atlantic Ocean, E of Florida, N of Puerto Rico. Site 417. Added to Thesaurus in 1981. |
| Leg 52 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 52 | |
| NT | DSDP Site 417 |
| DSDP Site 418 | |
| RT | Bermuda Rise |
| SN | NW Atlantic Ocean, E of Florida, N of Puerto Rico. Sites 417-418. Added to Thesaurus in 1981. |
| Leg 53 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 53 | |
| NT | DSDP Site 418 |
| RT | Bermuda Rise |
| SN | NW Atlantic Ocean. Site 418. Added to Thesaurus in 1981. |
| Leg 54 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 54 | |
| NT | DSDP Site 419 |
| DSDP Site 420 | |
| DSDP Site 421 | |
| DSDP Site 422 | |
| DSDP Site 423 | |
| DSDP Site 424 | |
| DSDP Site 425 | |
| DSDP Site 427 | |
| DSDP Site 428 | |
| DSDP Site 429 | |
| RT | Northeast Pacific |
| Equatorial Pacific | |
| Galapagos Rift | |
| East Pacific Rise | |
| Leg 70 | |
| SN | E Equatorial Pacific. Sites 419-429, on the East Pacific Rise and Galapagos Rift. Added to Thesaurus in 1981. |
| Leg 55 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 55 | |
| NT | DSDP Site 430 |
| DSDP Site 431 | |
| DSDP Site 432 | |
| DSDP Site 433 | |
| RT | Northwest Pacific |
| Emperor Seamounts | |
| SN | NW Pacific Ocean. Sites 430-433, in the Emperor Seamounts. Added to Thesaurus in 1981. |
| Leg 56 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 56 | |
| NT | DSDP Site 434 |
| DSDP Site 435 | |
| DSDP Site 436 | |
| RT | Northwest Pacific |
| Japan Trench | |
| SN | NW Pacific Ocean. Sites 434-437, near the Japan Trench. Added to Thesaurus in 1981. |
| Leg 57 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 57 | |
| NT | DSDP Site 438 |
| DSDP Site 439 | |
| DSDP Site 440 | |
| RT | Northwest Pacific |
| SN | NW Pacific Ocean. Sites 438-441, near the Japan Trench. Added to Thesaurus in 1981. |
| Leg 58 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 58 | |
| NT | DSDP Site 442 |
| DSDP Site 443 | |
| DSDP Site 444 | |
| DSDP Site 445 | |
| DSDP Site 446 | |
| RT | Philippine Sea |
| SN | N Philippine Sea. Sites 442-446. Added to Thesaurus in 1981. |
| Leg 59 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 59 | |
| NT | DSDP Site 447 |
| DSDP Site 448 | |
| DSDP Site 449 | |
| DSDP Site 450 | |
| DSDP Site 451 | |
| RT | Philippine Sea |
| West Philippine Basin | |
| Kyushu-Palau Ridge | |
| Parece Vela Basin | |
| SN | Philippine Sea. Sites 447-451. Added to Thesaurus in 1981. |
| Leg 6 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 6 | |
| NT | DSDP Site 44 |
| DSDP Site 45 | |
| DSDP Site 46 | |
| DSDP Site 47 | |
| DSDP Site 48 | |
| DSDP Site 49 | |
| DSDP Site 50 | |
| DSDP Site 51 | |
| DSDP Site 52 | |
| DSDP Site 53 | |
| DSDP Site 54 | |
| DSDP Site 55 | |
| DSDP Site 56 | |
| DSDP Site 57 | |
| DSDP Site 58 | |
| DSDP Site 59 | |
| DSDP Site 60 | |
| RT | Northwest Pacific |
| Philippine Sea | |
| Parece Vela Basin | |
| SN | NW Pacific Ocean and Philippine Sea. Sites 44-60 from N of the Mid-Pacific Mountains to the Shatsky Rise, the E Philippine Sea, and the Mariana Trench. Added to Thesaurus in 1981. |
| Leg 60 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 60 | |
| NT | DSDP Site 452 |
| DSDP Site 453 | |
| DSDP Site 454 | |
| DSDP Site 455 | |
| DSDP Site 456 | |
| DSDP Site 457 | |
| DSDP Site 458 | |
| DSDP Site 459 | |
| DSDP Site 460 | |
| DSDP Site 461 | |
| RT | Philippine Sea |
| Mariana Trough | |
| Mariana Trench | |
| East Mariana Basin | |
| ODP Site 777 | |
| SN | SE Philippine Sea. Sites 452-461 from the Mariana Trough to E of the Mariana Trench. Added to Thesaurus in 1981. |
| Leg 61 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 61 | |
| NT | DSDP Site 462 |
| RT | Northwest Pacific |
| Equatorial Pacific | |
| Nauru Basin | |
| SN | W central Pacific Ocean. Site 462 in the Nauru Basin. Added to Thesaurus in 1981. |
| Leg 62 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 62 | |
| NT | DSDP Site 463 |
| DSDP Site 464 | |
| DSDP Site 465 | |
| DSDP Site 466 | |
| RT | Northwest Pacific |
| Hess Rise | |
| Mid-Pacific Mountains | |
| SN | N central Pacific Ocean. Sites 463-466 in the Mid-Pacific Mountains and on Hess Rise. Added to Thesaurus in 1981. |
| Leg 63 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 63 | |
| NT | DSDP Site 467 |
| DSDP Site 468 | |
| DSDP Site 469 | |
| DSDP Site 470 | |
| DSDP Site 471 | |
| DSDP Site 472 | |
| DSDP Site 473 | |
| RT | Northeast Pacific |
| SN | NE Pacific Ocean. Sites 467-473 off S California and Baja California. Added to Thesaurus in 1981. |
| Leg 64 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 64 | |
| NT | DSDP Site 474 |
| DSDP Site 475 | |
| DSDP Site 476 | |
| DSDP Site 477 | |
| DSDP Site 478 | |
| DSDP Site 479 | |
| DSDP Site 480 | |
| DSDP Site 481 | |
| RT | Northeast Pacific |
| Gulf of California | |
| SN | Gulf of California. Sites 474-481. Added to Thesaurus in 1981. |
| Leg 65 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 65 | |
| NT | DSDP Site 482 |
| DSDP Site 483 | |
| DSDP Site 484 | |
| DSDP Site 485 | |
| RT | Northeast Pacific |
| Gulf of California | |
| SN | At mouth of the Gulf of California. Sites 482-485. Added to Thesaurus in 1981. |
| Leg 66 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 66 | |
| RT | Northeast Pacific |
| SN | NE Pacific Ocean off S Mexico. Sites 486-493. Added to Thesaurus in 1981. |
| Leg 67 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 67 | |
| NT | DSDP Site 494 |
| DSDP Site 495 | |
| DSDP Site 496 | |
| DSDP Site 497 | |
| DSDP Site 498 | |
| DSDP Site 499 | |
| DSDP Site 500 | |
| RT | Northeast Pacific |
| Equatorial Pacific | |
| Nicoya Complex | |
| SN | E Equatorial Pacific, off Central America. Sites 494-500. Added to Thesaurus in 1985. |
| Leg 68 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 68 | |
| NT | DSDP Site 501 |
| DSDP Site 502 | |
| DSDP Site 503 | |
| RT | Northeast Pacific |
| Equatorial Pacific | |
| SN | E Equatorial Pacific. Sites 501-503. Added to Thesaurus in 1985. |
| Leg 69 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 69 | |
| NT | DSDP Site 504 |
| DSDP Site 505 | |
| RT | Northeast Pacific |
| Equatorial Pacific | |
| SN | E Equatorial Pacific, off Ecuador and Colombia. Sites 504-505. Added to Thesaurus in 1985. |
| Leg 7 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 7 | |
| NT | DSDP Site 61 |
| DSDP Site 62 | |
| DSDP Site 63 | |
| DSDP Site 64 | |
| DSDP Site 65 | |
| DSDP Site 66 | |
| DSDP Site 67 | |
| RT | South Pacific |
| Southwest Pacific | |
| Southeast Pacific | |
| Equatorial Pacific | |
| SN | W Equatorial and N central Pacific Ocean. Sites 61-67. Added to Thesaurus in 1981. |
| Leg 70 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 70 | |
| NT | DSDP Site 504 |
| DSDP Site 506 | |
| DSDP Site 507 | |
| DSDP Site 508 | |
| DSDP Site 509 | |
| DSDP Site 510 | |
| RT | Northeast Pacific |
| Equatorial Pacific | |
| Leg 54 | |
| SN | E Equatorial Pacific, off Ecuador. Sites 506-510. Added to Thesaurus in 1985. |
| Leg 71 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 71 | |
| NT | DSDP Site 511 |
| DSDP Site 512 | |
| DSDP Site 513 | |
| DSDP Site 514 | |
| RT | South Atlantic |
| SN | S Atlantic Ocean. Sites 511-514. Added to Thesaurus in 1985. |
| Leg 72 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 72 | |
| NT | DSDP Site 515 |
| DSDP Site 516 | |
| DSDP Site 517 | |
| DSDP Site 518 | |
| RT | South Atlantic |
| Brazil Basin | |
| Vema Channel | |
| Rio Grande Rise | |
| SN | S Atlantic Ocean, off Brazil. Sites 515-518. Added to Thesaurus in 1985. |
| Leg 73 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 73 | |
| NT | DSDP Site 519 |
| DSDP Site 520 | |
| DSDP Site 521 | |
| DSDP Site 522 | |
| DSDP Site 523 | |
| DSDP Site 524 | |
| RT | Angola Basin |
| South Atlantic | |
| Mid-Atlantic Ridge | |
| SN | E flank of Mid-Atlantic Ridge, S Atlantic Ocean. Sites 519-524. Added to Thesaurus in 1985. |
| Leg 74 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 74 | |
| NT | DSDP Site 525 |
| DSDP Site 526 | |
| DSDP Site 527 | |
| DSDP Site 528 | |
| DSDP Site 529 | |
| RT | South Atlantic |
| Walvis Ridge | |
| SN | SE Atlantic Ocean. Sites 525-529. Added to Thesaurus in 1985. |
| Leg 75 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 75 | |
| NT | DSDP Site 530 |
| DSDP Site 531 | |
| DSDP Site 532 | |
| RT | South Atlantic |
| Walvis Ridge | |
| Leg 175 | |
| SN | SE Atlantic Ocean, off Namibia. Sites 530-532. Added to Thesaurus in 1985. |
| Leg 76 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 76 | |
| NT | DSDP Site 533 |
| DSDP Site 534 | |
| RT | North Atlantic |
| Leg 172 | |
| SN | NW Atlantic, off Florida. Sites 533-534. Added to Thesaurus in 1985. |
| Leg 77 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 77 | |
| NT | DSDP Site 535 |
| DSDP Site 536 | |
| DSDP Site 537 | |
| DSDP Site 538 | |
| DSDP Site 540 | |
| RT | Gulf of Mexico |
| Caribbean Sea | |
| SN | E Gulf of Mexico. Sites 535-540. Added to Thesaurus in 1985. |
| Leg 78A | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 78A | |
| NT | DSDP Site 541 |
| DSDP Site 542 | |
| DSDP Site 543 | |
| RT | North Atlantic |
| Caribbean Sea | |
| Leg 171A | |
| Barbados Ridge | |
| Leg 110 | |
| Leg 156 | |
| SN | In Atlantic Ocean, E of the Caribbean Sea, including sites in Barbados Ridge. Sites 541-543. Added to Thesaurus in 1989. |
| Leg 78B | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 78B | |
| NT | DSDP Site 395 |
| RT | North Atlantic |
| Mid-Atlantic Ridge | |
| Kane fracture zone | |
| SN | Near axis of Mid-Atlantic Ridge, just S of Kane fracture zone in N central Atlantic. Site 395A, which was previously drilled during Leg 45. Added to Thesaurus in 1989. |
| Leg 79 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 79 | |
| NT | DSDP Site 544 |
| DSDP Site 545 | |
| DSDP Site 546 | |
| DSDP Site 547 | |
| RT | Mazagan Plateau |
| SN | Mazagan Plateau, off NW coast of Morocco. Sites 544-547. Added to Thesaurus in 1989. |
| Leg 8 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 8 | |
| NT | DSDP Site 68 |
| DSDP Site 69 | |
| DSDP Site 70 | |
| DSDP Site 71 | |
| DSDP Site 72 | |
| DSDP Site 73 | |
| DSDP Site 74 | |
| DSDP Site 75 | |
| RT | Northeast Pacific |
| Southeast Pacific | |
| East Pacific | |
| Equatorial Pacific | |
| Clipperton fracture zone | |
| SN | E Equatorial Pacific Ocean. Sites 68-75. Added to Thesaurus in 1981. |
| Leg 80 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 80 | |
| NT | DSDP Site 548 |
| DSDP Site 549 | |
| DSDP Site 550 | |
| DSDP Site 551 | |
| RT | North Atlantic |
| Goban Spur | |
| SN | Goban Spur, N Biscay region in NE Atlantic. Sites 548-551. Added to Thesaurus in 1989. |
| Leg 81 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 81 | |
| NT | DSDP Site 552 |
| DSDP Site 553 | |
| DSDP Site 554 | |
| DSDP Site 555 | |
| RT | Rockall Plateau |
| SN | Rockall Plateau, NE Atlantic. Sites 552-555. Added to Thesaurus in 1989. |
| Leg 82 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 82 | |
| NT | DSDP Site 556 |
| DSDP Site 558 | |
| DSDP Site 561 | |
| DSDP Site 562 | |
| DSDP Site 563 | |
| DSDP Site 564 | |
| RT | North Atlantic |
| Mid-Atlantic Ridge | |
| Azores | |
| Oceanographer fracture zone | |
| SN | Mid-Atlantic Ridge near the Azores. Sites 556-564. Added to Thesaurus in 1989. |
| Leg 83 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 83 | |
| NT | DSDP Site 504 |
| RT | Northeast Pacific |
| Equatorial Pacific | |
| Galapagos Rift | |
| SN | Located about 201 km S of Costa Rica Rift in E Equatorial Pacific. Site 504B. Added to Thesaurus in 1989. |
| Leg 84 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 84 | |
| NT | DSDP Site 565 |
| DSDP Site 566 | |
| DSDP Site 567 | |
| DSDP Site 568 | |
| DSDP Site 570 | |
| RT | Equatorial Pacific |
| Middle America Trench | |
| Leg 170 | |
| SN | Middle America Trench off coast of Guatemala. Sites 565-570. Added to Thesaurus in 1989. |
| Leg 85 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 85 | |
| NT | DSDP Site 571 |
| DSDP Site 572 | |
| DSDP Site 573 | |
| DSDP Site 574 | |
| DSDP Site 575 | |
| RT | Northeast Pacific |
| Equatorial Pacific | |
| SN | E Equatorial Pacific. Sites 571-575. Added to Thesaurus in 1989. |
| Leg 86 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 86 | |
| NT | DSDP Site 576 |
| DSDP Site 577 | |
| DSDP Site 578 | |
| DSDP Site 579 | |
| DSDP Site 580 | |
| DSDP Site 581 | |
| RT | Northwest Pacific |
| Kuroshio | |
| SN | NW Pacific. Sites 576-581. Added to Thesaurus in 1989. |
| Leg 87 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 87 | |
| NT | DSDP Site 582 |
| DSDP Site 583 | |
| DSDP Site 584 | |
| RT | Northwest Pacific |
| Nankai Trough | |
| Japan Trench | |
| SN | Nankai Trough and Japan Trench. Sites 582-584. Added to Thesaurus in 1989. |
| Leg 88 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 88 | |
| NT | DSDP Site 581 |
| RT | Northwest Pacific |
| Pacific Basin | |
| SN | NW Pacific Basin, S of Hokkaido fracture zone. Site 581. Added to Thesaurus in 1989. |
| Leg 89 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 89 | |
| NT | DSDP Site 462 |
| DSDP Site 585 | |
| DSDP Site 586 | |
| RT | Southwest Pacific |
| Equatorial Pacific | |
| Ontong Java Plateau | |
| Mariana Trough | |
| Nauru Basin | |
| East Mariana Basin | |
| SN | East Mariana Basin, Ontong Java Plateau and Nauru Basin, Equatorial Pacific. Sites 585, 586 and 462A. Added to Thesaurus in 1989. |
| Leg 9 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .Leg 9 | |
| NT | DSDP Site 76 |
| DSDP Site 77 | |
| DSDP Site 78 | |
| DSDP Site 79 | |
| DSDP Site 80 | |
| DSDP Site 81 | |
| DSDP Site 82 | |
| DSDP Site 83 | |
| DSDP Site 84 | |
| RT | Northeast Pacific |
| Southeast Pacific | |
| East Pacific | |
| Equatorial Pacific | |
| Leg 148 | |
| SN | E Equatorial Pacific Ocean. Sites 76-84. Added to Thesaurus in 1981. |
| Leg 90 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 90 | |
| NT | DSDP Site 587 |
| DSDP Site 588 | |
| DSDP Site 589 | |
| DSDP Site 590 | |
| DSDP Site 591 | |
| DSDP Site 592 | |
| DSDP Site 593 | |
| DSDP Site 594 | |
| RT | Southwest Pacific |
| Challenger Plateau | |
| Lord Howe Rise | |
| DSDP Site 284 | |
| SN | SW Pacific, off E coast of Australia and NW of New Zealand. Sites 587-594B. Added to Thesaurus in 1989. |
| Leg 91 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 91 | |
| NT | DSDP Site 595 |
| DSDP Site 596 | |
| RT | Southeast Pacific |
| Tonga Trench | |
| SN | E of Tonga Trench in SE Pacific. Sites 595-596B. Added to Thesaurus in 1989. |
| Leg 92 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 92 | |
| NT | DSDP Site 504 |
| DSDP Site 597 | |
| DSDP Site 598 | |
| DSDP Site 599 | |
| DSDP Site 600 | |
| DSDP Site 601 | |
| DSDP Site 602 | |
| RT | Southeast Pacific |
| East Pacific Rise | |
| Tahiti | |
| SN | East Pacific Rise. Sites 597-602B. Also includes Site 504B near coast of Colombia. Added to Thesaurus in 1989. |
| Leg 93 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 93 | |
| NT | DSDP Site 603 |
| DSDP Site 604 | |
| DSDP Site 605 | |
| RT | North Atlantic |
| Blake-Bahama Formation | |
| Hatteras Formation | |
| Hudson Canyon | |
| SN | Continental rise off E coast of United States. Sites 603-605. Added to Thesaurus in 1989. |
| Leg 94 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 94 | |
| NT | DSDP Site 606 |
| DSDP Site 607 | |
| DSDP Site 608 | |
| DSDP Site 609 | |
| DSDP Site 610 | |
| DSDP Site 611 | |
| RT | North Atlantic |
| Mid-Atlantic Ridge | |
| SN | Mid-Atlantic Ridge, Feni Drift and Gardar Drift, NE Atlantic. Sites 606-611. Added to Thesaurus in 1989. |
| Leg 95 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 95 | |
| NT | DSDP Site 603 |
| DSDP Site 612 | |
| DSDP Site 613 | |
| RT | North Atlantic |
| Baltimore Canyon | |
| SN | Part of the New Jersey Transect in Baltimore Canyon, NW Atlantic. Sites 612-613. Added to Thesaurus in 1989. |
| Leg 96 | |
|---|---|
| BT | Deep Sea Drilling Project |
| .IPOD | |
| ..Leg 96 | |
| NT | DSDP Site 614 |
| DSDP Site 615 | |
| DSDP Site 616 | |
| DSDP Site 617 | |
| DSDP Site 618 | |
| DSDP Site 619 | |
| DSDP Site 620 | |
| DSDP Site 621 | |
| DSDP Site 622 | |
| DSDP Site 623 | |
| DSDP Site 624 | |
| RT | Gulf of Mexico |
| Mississippi Fan | |
| Pigmy Basin | |
| SN | Mostly in the Mississippi Fan, a region in the Gulf of Mexico which extends from the Mississippi Delta to the Sigsbee Deep and Florida abyssal plain. Sites 614-624A. Added to Thesaurus in 1989. |
| legal | |
|---|---|
| SN | See legislation or practice or forensic geology if applicable. |
| legends | |
|---|---|
| RT | cartography |
| maps | |
| SN | Before 1981, search legend. Added to Thesaurus in 1981. |
| Leghorn Italy | |
|---|---|
| USE | Livorno Italy |
| legislation | |
|---|---|
| RT | antitrust legislation |
| Clean Air Act | |
| Clean Water Act | |
| decision-making | |
| economic geology | |
| engineering geology | |
| environmental geology | |
| forensic geology | |
| Indian reservations | |
| investment legislation | |
| land management | |
| land use | |
| Law of the Sea | |
| mining legislation | |
| national | |
| SN | The making or giving of laws, or the enactments of a legislative body, or a matter of business for or under consideration by a legislative body. Not to be used for regulations. (Note added 1998.) |
| legrandite | |
|---|---|
| BT | arsenates |
| .legrandite | |
| Leguminosae | |
|---|---|
| BT | Plantae |
| .Spermatophyta | |
| ..Angiospermae | |
| ...Dicotyledoneae | |
| ....Leguminosae | |
| SN | Family. |
| Lehigh County Pennsylvania | |
|---|---|
| BT | United States |
| .Pennsylvania | |
| ..Lehigh County Pennsylvania | |
| SN | E Pennsylvania. |
| lehm | |
|---|---|
| USE | loess |
| Leicestershire England | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....England | |
| .....Leicestershire England | |
| RT | Barwell Meteorite |
| Midlands | |
| East Midlands | |
| SN | Central England. After 1974, includes former counties of Leicester and Rutland. |
| leifite | |
|---|---|
| BT | halides |
| .fluorides | |
| ..leifite | |
| BT | silicates |
| .framework silicates | |
| ..leifite | |
| RT | aluminosilicates |
| SN | This term has multiple hierarchies. |
| Leine Valley | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...Lower Saxony Germany | |
| ....Leine Valley | |
| SN | River valley in SE and central Lower Saxony. Also search Leine. |
| Leinster | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Ireland | |
| ...Leinster | |
| SN | Traditional province in E comprising 12 counties. |
| Leinster Granite | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Leinster Granite | |
| RT | Ireland |
| SN | Middle Paleozoic. SE Ireland. Indexed with ages as applicable. Added to Thesaurus in 1993. |
| Leipzig Bezirk | |
|---|---|
| SN | No longer a valid term for GeoRef. District in S central East Germany. Before 1981, search Leipzig Germany. |
| Leipzig Germany | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...Saxony Germany | |
| ....Leipzig Germany | |
| SN | In Saxony, E Germany. As of 1981, Leipzig refers to only the city in S central E Germany. Before 1981, it also included the East German district. |
| Leiria Portugal | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Portugal | |
| ....Leiria Portugal | |
| RT | Estremadura Portugal |
| SN | District and city in W Portugal. |
| Leman Lake | |
|---|---|
| USE | Lake Geneva |
| Leman Sandstone Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Permian | |
| ....Lower Permian | |
| .....Leman Sandstone Formation | |
| RT | Rotliegendes |
| North Sea | |
| SN | Rotliegendes. North Sea. Added to Thesaurus in 1995. |
| Lemhi County Idaho | |
|---|---|
| BT | United States |
| .Idaho | |
| ..Lemhi County Idaho | |
| NT | Blackbird mining district |
| Salmon Idaho | |
| RT | Lemhi Range |
| SN | E Idaho. |
| Lemhi Range | |
|---|---|
| BT | United States |
| .Idaho | |
| ..Lemhi Range | |
| RT | Lemhi County Idaho |
| Butte County Idaho | |
| SN | E central Idaho. Primarily in Lemhi and Butte counties. |
| Lena Basin | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Lena Basin | |
| BT | Asia |
| .Lena Basin | |
| UF | Lena region |
| Lena River basin | |
| RT | Yakutia Russian Federation |
| Angara-Lena Basin | |
| Irkutsk Russian Federation | |
| SN | River basin. E central and N Siberia including areas in Irkutsk Oblast, and Yakutia. Also search Lena. This term has multiple hierarchies. |
| Lena region | |
|---|---|
| USE | Lena Basin |
| Lena River | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Lena River | |
| BT | Asia |
| .Lena River | |
| SN | Rises in the Baikal Mountains W of Lake Baikal in Irkutsk Oblast and flows NE into a great bend in Yakutia, and then NW through a large delta into the Laptev Sea. Also search Lena. This term has multiple hierarchies. |
| Lena River basin | |
|---|---|
| USE | Lena Basin |
| Lenawee County Michigan | |
|---|---|
| BT | United States |
| .Michigan | |
| ..Michigan Lower Peninsula | |
| ...Lenawee County Michigan | |
| length of day | |
|---|---|
| RT | climate |
| paleoclimatology | |
| rotation | |
| SN | Added to Thesaurus in 1981. |
| Leninabad Tajikistan | |
|---|---|
| BT | Asia |
| .Tajikistan | |
| ..Leninabad Tajikistan | |
| NT | Karamazar Tajikistan |
| Tary-Ekam Tajikistan | |
| RT | Shugnan Tajikistan |
| Karamazar | |
| SN | Oblast and city in NW Tajikistan. This term has multiple hierarchies. |
| Leningrad City Russian Federation | |
|---|---|
| USE | Saint Petersburg Russian Federation |
| Leningrad Mining Institute | |
|---|---|
| RT | academic institutions |
| Russian Federation | |
| SN | In former Leningrad, now Saint Petersburg. |
| Leningrad Oblast Russian Federation | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Leningrad Oblast Russian Federation | |
| BT | Europe |
| .Leningrad Oblast Russian Federation | |
| NT | Saint Petersburg Russian Federation |
| RT | Baltic region |
| SN | Oblast, Gulf of Finland. Surrounds Saint Petersburg city which is also an oblast. Before 1993, Leningrad Oblast Russian Republic was also used. This term has multiple hierarchies. |
| Leninogorsk Kazakhstan | |
|---|---|
| BT | Commonwealth of Independent States |
| .Kazakhstan | |
| ..Leninogorsk Kazakhstan | |
| UF | Ridder Kazakhstan |
| SN | City in Vostochno (East) Kazakhstan Oblast in extreme E Kazakhstan. This term has multiple hierarchies. |
| Lenkoran Azerbaijan | |
|---|---|
| BT | Europe |
| .Azerbaijan | |
| ..Lenkoran Azerbaijan | |
| SN | City on Caspian Sea near Iranian border. This term has multiple hierarchies. |
| Lennox and Addington County Ontario | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Ontario | |
| ...Lennox and Addington County Ontario | |
| Lenoir County North Carolina | |
|---|---|
| BT | United States |
| .North Carolina | |
| ..Lenoir County North Carolina | |
| Lenoir Limestone | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Ordovician | |
| ....Middle Ordovician | |
| .....Lenoir Limestone | |
| RT | Virginia |
| Alabama | |
| Tennessee | |
| Stones River Group | |
| SN | In Stones River Group. E Tennessee, N Alabama and W Virginia. Added to Thesaurus in 1985. |
| lenses | |
|---|---|
| RT | ice lenses |
| mineral deposits, genesis | |
| sedimentary rocks | |
| SN | Any lense-shaped deposit. |
| Lenticulina | |
|---|---|
| BT | Invertebrata |
| .Protista | |
| ..Foraminifera | |
| ...Rotaliina | |
| ....Nodosariacea | |
| .....Nodosariidae | |
| ......Lenticulina | |
| RT | microfossils |
| SN | Genus. Indexed with microfossils if applicable. |
| Leon | |
|---|---|
| SN | No longer a valid term for GeoRef. As of 1993, see Leon City Spain for the city. For the department in Nicaragua, see Leon Nicaragua. For the city in Mexico, see Leon Mexico. |
| Leon City | |
|---|---|
| SN | No longer a valid term for GeoRef. See Leon Mexico. For the city in Spain, see Leon City Spain. |
| Leon City Spain | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Castilla y Leon Spain | |
| .....Leon Spain | |
| ......Leon City Spain | |
| RT | Mexico |
| Nicaragua | |
| SN | Refers to only the city in Spain. Before 1993, also search Leon Spain. |
| Leon County Florida | |
|---|---|
| BT | United States |
| .Florida | |
| ..Leon County Florida | |
| SN | Bounded by Ochlockonee River and Lake Talquin in NW Florida. |
| Leon County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Leon County Texas | |
| RT | Oakwood Dome |
| SN | E central Texas. |
| Leon Mexico | |
|---|---|
| BT | Mexico |
| .Guanajuato Mexico | |
| ..Leon Mexico | |
| SN | City in Guanajuato, Mexico. |
| Leon Nicaragua | |
|---|---|
| BT | Central America |
| .Nicaragua | |
| ..Leon Nicaragua | |
| SN | Department including the city in W Nicaragua. From 1981-1992, also search Leon Department and Nicaragua. |
| Leon region | |
|---|---|
| SN | No longer a valid term for GeoRef. Former region in NW Spain which included the provinces, Leon Spain, Salamanca Spain, and Zamora Spain. Before 1981, also search Leon Spain. |
| Leon Spain | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Castilla y Leon Spain | |
| .....Leon Spain | |
| NT | Leon City Spain |
| SN | Refers only to the province in NW Spain. From 1981-1992, also search Leon Province and Spain. For the city, see Leon City Spain. |
| Leonardian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Permian | |
| ....Lower Permian | |
| .....Leonardian | |
| NT | Bone Spring Limestone |
| Clear Fork Group | |
| RT | Abo Formation |
| San Andres Formation | |
| SN | Provincial series, North America. Above Wolfcampian, below Guadalupian. |
| leonardite | |
|---|---|
| USE | leonhardite |
| leonhardite | |
|---|---|
| BT | silicates |
| .framework silicates | |
| ..zeolite group | |
| ...leonhardite | |
| UF | leonardite |
| RT | laumontite |
| leopoldite | |
|---|---|
| USE | sylvite |
| Leoville Meteorite | |
|---|---|
| BT | meteorites |
| .stony meteorites | |
| ..chondrites | |
| ...carbonaceous chondrites | |
| ....CV chondrites | |
| .....Leoville Meteorite | |
| RT | Kansas |
| Decatur County Kansas | |
| SN | Impact in Decatur County, NW Kansas. Added to Thesaurus in 1989. |
| Leoville Saskatchewan | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Saskatchewan | |
| ...Leoville Saskatchewan | |
| SN | Village in W central Saskatchewan. |
| Leperditicopida | |
|---|---|
| BT | Invertebrata |
| .Arthropoda | |
| ..Mandibulata | |
| ...Crustacea | |
| ....Ostracoda | |
| .....Leperditicopida | |
| BT | microfossils |
| .Leperditicopida | |
| SN | Order. This term has multiple hierarchies. |
| lepidocrocite | |
|---|---|
| BT | oxides |
| .lepidocrocite | |
| RT | iron hydroxides |
| iron oxides | |
| Lepidocyclina | |
|---|---|
| BT | Invertebrata |
| .Protista | |
| ..Foraminifera | |
| ...Rotaliina | |
| ....Orbitoidacea | |
| .....Lepidocyclina | |
| RT | microfossils |
| SN | Indexed with microfossils if applicable. |
| Lepidocystoidea | |
|---|---|
| BT | Invertebrata |
| .Echinodermata | |
| ..Crinozoa | |
| ...Lepidocystoidea | |
| Lepidodendron | |
|---|---|
| BT | Plantae |
| .Pteridophyta | |
| ..Lycopsida | |
| ...Lepidodendron | |
| SN | Genus. |
| lepidolite | |
|---|---|
| BT | silicates |
| .sheet silicates | |
| ..mica group | |
| ...lepidolite | |
| BT | halides |
| .fluorides | |
| ..lepidolite | |
| RT | cookeite |
| SN | This term has multiple hierarchies. |
| lepidomelane | |
|---|---|
| BT | silicates |
| .sheet silicates | |
| ..mica group | |
| ...lepidomelane | |
| Lepidoptera | |
|---|---|
| BT | Invertebrata |
| .Arthropoda | |
| ..Mandibulata | |
| ...Insecta | |
| ....Pterygota | |
| .....Neoptera | |
| ......Endopterygota | |
| .......Lepidoptera | |
| UF | Lepidopteroida |
| RT | Raphidiodea |
| SN | Order. |
| Lepidopteroida | |
|---|---|
| USE | Lepidoptera |
| Lepidosauria | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Reptilia | |
| ....Diapsida | |
| .....Lepidosauria | |
| NT | Squamata |
| RT | Eosuchia |
| Rhynchosauria | |
| SN | In Lepidosauromorpha. Before 1993, Eosuchia was a broader term and Rhynchosauria was a narrower term. |
| Lepontine Alps | |
|---|---|
| BT | Europe |
| .Alps | |
| ..Central Alps | |
| ...Lepontine Alps | |
| NT | Gotthard Massif |
| RT | Piemonte Italy |
| San Giorgio Mountain | |
| Graubunden Switzerland | |
| Piedmont Alps | |
| Ticino Switzerland | |
| SN | Division of Central Alps. Indexed with countries as applicable. |
| Leporidae | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Mammalia | |
| ....Theria | |
| .....Eutheria | |
| ......Lagomorpha | |
| .......Leporidae | |
| Lepospondyli | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Amphibia | |
| ....Lepospondyli | |
| SN | Subclass. |
| leptite | |
|---|---|
| BT | metamorphic rocks |
| .granulites | |
| ..leptite | |
| UF | leptynite |
| Leptocythere | |
|---|---|
| BT | Invertebrata |
| .Arthropoda | |
| ..Mandibulata | |
| ...Crustacea | |
| ....Ostracoda | |
| .....Podocopida | |
| ......Cytherocopina | |
| .......Cytheracea | |
| ........Leptocythere | |
| SN | Genus. This term has multiple hierarchies. |
| leptynite | |
|---|---|
| USE | leptite |
| Lerida Spain | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Catalonia Spain | |
| .....Lerida Spain | |
| NT | Montsech |
| Pobla de Segur Spain | |
| Tremp Spain | |
| RT | Llobregat River basin |
| Segre Valley | |
| SN | Province in Catalonia in NE Spain. |
| Les Eyzies region | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Dordogne France | |
| ....Les Eyzies region | |
| UF | Les Eyzies-de-Tayac |
| SN | S Dordogne, France. Added to Thesaurus in 1985. |
| Les Eyzies-de-Tayac | |
|---|---|
| USE | Les Eyzies region |
| Lesbos | |
|---|---|
| BT | Mediterranean region |
| .Aegean Islands | |
| ..Greek Aegean Islands | |
| ...Lesbos | |
| SN | Island in E Aegean Sea off NW Anatolia. Also a Greek department. This term has multiple hierarchies. |
| Leslie County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Leslie County Kentucky | |
| RT | Lewis Creek |
| SN | SE Kentucky. |
| Lesna Poland | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Wroclaw Poland | |
| ....Lesna Poland | |
| SN | Town in Lower Silesia in SW Poland. |
| Lesotho | |
|---|---|
| BT | Africa |
| .Southern Africa | |
| ..Lesotho | |
| UF | Basutoland |
| RT | Orange River |
| SN | Former British colony of Basutoland. |
| Lesser Antilles | |
|---|---|
| BT | Caribbean region |
| .West Indies | |
| ..Antilles | |
| ...Lesser Antilles | |
| NT | Barbados |
| Carriacou | |
| Dominica | |
| Grenada | |
| Guadeloupe | |
| Martinique | |
| Netherlands Antilles | |
| Saint Vincent | |
| Soufriere | |
| Trinidad and Tobago | |
| Virgin Islands | |
| RT | Montserrat |
| Windward Islands | |
| Leeward Islands | |
| Saint John Island | |
| Saint Lucia | |
| SN | The smaller islands of the Antilles extending in an arc from Puerto Rico to the islands N of Venezuela. Indexed with Barbados, Trinidad and/or Leeward Islands or Windward Islands or other island groups as applicable. |
| Lesser Caucasus | |
|---|---|
| BT | Europe |
| .Caucasus | |
| ..Lesser Caucasus | |
| NT | Shakhdag Range |
| Trialet Range | |
| Zangezur | |
| RT | Georgian Republic |
| Armenia | |
| Azerbaijan | |
| Aragats | |
| Transcaucasia | |
| Nagorno-Karabakh Azerbaijan | |
| SN | Mountain system formed by the N frontal ranges of the Armenian Highland and separated from the Greater Caucasus by the Colchis and Kura lowlands. Indexed with former Soviet republics as applicable. |
| Lesser Himalayas | |
|---|---|
| BT | malayas |
| .Lesser Himalayas | |
| RT | India |
| Bhutan | |
| Nepal | |
| Sikkim India | |
| SN | The central range of the Himalayas running parallel to the Greater Himalayas to the N. Indexed with countries as applicable. |
| Lesser Khingan Mountains | |
|---|---|
| USE | Xiao Hinggan Ling |
| Lesser Sunda Islands | |
|---|---|
| BT | Asia |
| .Far East | |
| ..Lesser Sunda Islands | |
| NT | Bali |
| Pantar | |
| Timor | |
| RT | Indonesia |
| West Pacific Ocean Islands | |
| Sunda Arc | |
| SN | Chain of islands E from Bali to and including Alor and Timor, but not Wetar. Indexed with Indonesia as applicable. |
| Lesser Walachia | |
|---|---|
| USE | Oltenia |
| Lessini Mountains | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Lessini Mountains | |
| BT | Europe |
| .Alps | |
| ..Eastern Alps | |
| ...Dolomites | |
| ....Lessini Mountains | |
| UF | Monti Lessini |
| RT | Veneto Italy |
| SN | In SW Dolomites in NE Italy. This term has multiple hierarchies. |
| Letcher County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Letcher County Kentucky | |
| SN | SE Kentucky. |
| letter | |
|---|---|
| SN | A valid term through mid-1978; used in title annotation when document is correspondence. No longer a valid index term. |
| leucite | |
|---|---|
| BT | silicates |
| .framework silicates | |
| ..leucite | |
| UF | Vesuvian garnet |
| RT | felsic composition |
| leucitite | |
|---|---|
| BT | igneous rocks |
| .plutonic rocks | |
| ..gabbros | |
| ...alkali gabbros | |
| ....leucitite | |
| RT | alkali basalts |
| ultramafics | |
| leucogranite | |
|---|---|
| BT | igneous rocks |
| .plutonic rocks | |
| ..granites | |
| ...leucogranite | |
| leucosomes | |
|---|---|
| BT | metamorphic rocks |
| .migmatites | |
| ..leucosomes | |
| SN | Light-colored part of a migmatite. Added to Thesaurus in 1989. |
| leucosphenite | |
|---|---|
| BT | silicates |
| .sheet silicates | |
| ..leucosphenite | |
| leucoxene | |
|---|---|
| BT | oxides |
| .leucoxene | |
| RT | titanium ores |
| Leuven Belgium | |
|---|---|
| USE | Louvain Belgium |
| Levack Gneiss | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Levack Gneiss | |
| RT | Paleoproterozoic |
| Superior Province | |
| Ontario | |
| upper Archean | |
| SN | Upper Archean-?Paleoproterozoic. Superior Province, Sudbury District, near the Sudbury Structure, S Ontario. Indexed with age as applicable. |
| Levalloisian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Stone Age | |
| ....Paleolithic | |
| .....Levalloisian | |
| RT | Pleistocene |
| archaeology | |
| Quaternary | |
| SN | Archaeological classification. Europe, Middle East and the former USSR. Added to Thesaurus in 1985. |
| Levant | |
|---|---|
| SN | As of 1981, no longer a valid term for GeoRef. Use Middle East. |
| Levantinian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Pliocene | |
| .....upper Pliocene | |
| ......Levantinian | |
| SN | Austria. |
| levees | |
|---|---|
| RT | channels |
| embankments | |
| floodplains | |
| fluvial features | |
| geomorphology | |
| marine geology | |
| overbank sediments | |
| retaining walls | |
| sand boils | |
| streams | |
| submarine canyons | |
| waterways | |
| level, changes of | |
|---|---|
| SN | Not a valid term for GeoRef. Now see sea-level changes or lake-level changes. Also see transgression or regression. |
| leveling | |
|---|---|
| UF | levelling |
| RT | cartography |
| geodesy | |
| trilateration | |
| leveling networks | |
|---|---|
| SN | Use leveling and geodetic networks. |
| levelling | |
|---|---|
| USE | leveling |
| levels | |
|---|---|
| RT | background level |
| background radiation | |
| drawdown | |
| ground water | |
| highstands | |
| lacustrine environment | |
| lake-level changes | |
| low water | |
| lowstands | |
| potentiometric surface | |
| regression | |
| reservoirs | |
| sea-level changes | |
| shallow aquifers | |
| shallow depth | |
| submergence | |
| transgression | |
| wa | |
| SN | For cycles of sedimentation use sea-level changes or lake-level changes. |
| Levis County Quebec | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...Levis County Quebec | |
| Levis Shale | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Levis Shale | |
| RT | Quebec |
| Levy County Florida | |
|---|---|
| BT | United States |
| .Florida | |
| ..Levy County Florida | |
| SN | Bounded by Gulf of Mexico in N Florida. |
| LEW 86010 | |
|---|---|
| BT | meteorites |
| .stony meteorites | |
| ..achondrites | |
| ...angrite | |
| ....LEW 86010 | |
| BT | meteorites |
| .Lewis Cliff Meteorites | |
| ..LEW 86010 | |
| RT | Antarctica |
| Beardmore Glacier | |
| SN | Also search LEW86010 OR LEW 86010 Meteorite. This term has multiple hierarchies. Added to Thesaurus in 1995. |
| LEW 88516 | |
|---|---|
| BT | meteorites |
| .stony meteorites | |
| ..achondrites | |
| ...Martian meteorites | |
| ....SNC Meteorites | |
| .....shergottite | |
| ......LEW 88516 | |
| BT | meteorites |
| .Lewis Cliff Meteorites | |
| ..LEW 88516 | |
| RT | Antarctica |
| Ross Dependency | |
| Ross Ice Shelf | |
| Beardmore Glacier | |
| SN | Lherzolite. This term has multiple hierarchies. |
| Lewis and Clark County Montana | |
|---|---|
| BT | United States |
| .Montana | |
| ..Lewis and Clark County Montana | |
| NT | Helena Montana |
| RT | Sawtooth Range |
| SN | W central Montana. |
| Lewis and Clark Line | |
|---|---|
| USE | Lewis and Clark Lineament |
| Lewis and Clark Lineament | |
|---|---|
| BT | United States |
| .Lewis and Clark Lineament | |
| UF | Lewis and Clark Line |
| Montana Lineament | |
| RT | Idaho |
| Montana | |
| SN | N Idaho to central Montana. Indexed with states as applicable. Added to Thesaurus in 1989. |
| Lewis Cliff Meteorites | |
|---|---|
| BT | meteorites |
| .Lewis Cliff Meteorites | |
| NT | LEW 86010 |
| LEW 88516 | |
| UF | Lewis Cliffs Meteorites |
| RT | Antarctica |
| Ross Dependency | |
| Ross Ice Shelf | |
| Beardmore Glacier | |
| SN | Meteorites found in or near ice tongue at Lewis Cliff, Beardmore Glacier region near the edge of the Ross Ice Shelf, Ross Dependency. Due to abbreviations for these meteorites, such as LEW 86010 and LEW86010, also search LEW in combination with number. Ad |
| Lewis Cliffs Meteorites | |
|---|---|
| USE | Lewis Cliff Meteorites |
| Lewis County Idaho | |
|---|---|
| BT | United States |
| .Idaho | |
| ..Lewis County Idaho | |
| SN | W Idaho. |
| Lewis County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Lewis County Kentucky | |
| SN | NE Kentucky. |
| Lewis County Missouri | |
|---|---|
| BT | United States |
| .Missouri | |
| ..Lewis County Missouri | |
| SN | NE Missouri. |
| Lewis County New York | |
|---|---|
| BT | United States |
| .New York | |
| ..Lewis County New York | |
| SN | N central New York. |
| Lewis County Tennessee | |
|---|---|
| BT | United States |
| .Tennessee | |
| ..Lewis County Tennessee | |
| SN | Central Tennessee. |
| Lewis County Washington | |
|---|---|
| BT | United States |
| .Washington | |
| ..Lewis County Washington | |
| RT | Cowlitz River |
| Yakima Indian Reservation | |
| Mount Rainier National Park | |
| SN | SW Washington. |
| Lewis County West Virginia | |
|---|---|
| BT | United States |
| .West Virginia | |
| ..Lewis County West Virginia | |
| SN | Central W Virginia. |
| Lewis Creek | |
|---|---|
| RT | Colorado |
| Illinois | |
| Kentucky | |
| Leslie County Kentucky | |
| SN | Paleobotanical locality in Leslie County, E Kentucky. There are also features with this name in Colorado and Illinois. Search in combination with appropriate state. Indexed with counties or states as applicable. Added to Thesaurus in 1989. |
| Lewis Shale | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Lewis Shale | |
| RT | New Mexico |
| Wyoming | |
| Colorado | |
| SN | Lewis and Meeteetse formations throughout N central Wyoming considered stratigraphic equivalents with Lewis being applied generally in areas where marine strata are present and Meeteetse in areas where rocks are nonmarine in character. W Colorado, NW New |
| Lewis thrust fault | |
|---|---|
| RT | Alberta |
| Montana | |
| North America | |
| SN | NW Montana and SW Alberta. Indexed with Montana and/or Alberta or region as applicable. Added to Thesaurus in 1989. |
| Lewisian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Proterozoic | |
| ...Lewisian | |
| UF | Hebridean |
| SN | Europe. |
| Lewisian Complex | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Lewisian Complex | |
| RT | Archean |
| Proterozoic | |
| Scotland | |
| SN | NW Scotland. Includes Loch Maree Group. Indexed with ages as applicable. Added to Thesaurus in 1989. |
| lexicons | |
|---|---|
| RT | Arabic |
| bibliography | |
| catalogs | |
| dictionaries | |
| English | |
| French | |
| German | |
| glossaries | |
| mineralogy | |
| monographs | |
| paleontology | |
| petrology | |
| publications | |
| Russian | |
| sedimentary petrology | |
| stratigraphy | |
| structural geology | |
| SN | Used for the systematic arrangement of words in one or more languages, and their definitions. Indexed with language if not English. |
| Lexington County South Carolina | |
|---|---|
| BT | United States |
| .South Carolina | |
| ..Lexington County South Carolina | |
| Lexington Limestone | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Ordovician | |
| ....Middle Ordovician | |
| .....Lexington Limestone | |
| RT | Kentucky |
| SN | Comprises Curdsville Limestone, Logana Formation, Jessamine Limestone, Benson Limestone, Brannon Limestone with Woodburn Phosphatic Member. Central Kentucky. |
| Lg-waves | |
|---|---|
| BT | elastic waves |
| .seismic waves | |
| ..surface waves | |
| ...Lg-waves | |
| RT | seismology |
| waves | |
| continental crust | |
| Love waves | |
| Rayleigh waves | |
| short-period waves | |
| SN | Higher-mode short-period Love and Rayleigh waves which only travel through continental crust. Added to Thesaurus in 1989. |
| Lhasa Block | |
|---|---|
| BT | Asia |
| .Far East | |
| ..China | |
| ...Xizang China | |
| ....Lhasa Block | |
| RT | INDEPTH |
| Qinghai-Xizang Plateau | |
| Lhasa China | |
| SN | Qinghai-Xizang Plateau, SW China. Added to Thesaurus in 1989. |
| Lhasa China | |
|---|---|
| BT | Asia |
| .Far East | |
| ..China | |
| ...Xizang China | |
| ....Lhasa China | |
| RT | Lhasa Block |
| SN | City in SE Xizang. |
| Lherz | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Lherz | |
| RT | Ariege France |
| SN | Lake in the Pyrenees in S France. |
| lherzolite | |
|---|---|
| BT | igneous rocks |
| .plutonic rocks | |
| ..ultramafics | |
| ...peridotites | |
| ....lherzolite | |
| RT | garnet lherzolite |
| spinel lherzolite | |
| Li | |
|---|---|
| USE | lithium |
| Li-6 | |
|---|---|
| BT | isotopes |
| .stable isotopes | |
| ..Li-6 | |
| BT | metals |
| .alkali metals | |
| ..lithium | |
| ...Li-6 | |
| SN | This term has multiple hierarchies. |
| Li-7 | |
|---|---|
| BT | isotopes |
| .stable isotopes | |
| ..Li-7 | |
| BT | metals |
| .alkali metals | |
| ..lithium | |
| ...Li-7 | |
| SN | This term has multiple hierarchies. |
| Liaodong Peninsula | |
|---|---|
| BT | Asia |
| .Far East | |
| ..China | |
| ...Liaoning China | |
| ....Liaodong Peninsula | |
| UF | Liaotung Peninsula |
| RT | Bohai Bay |
| SN | S Liaoning, NE China. Extends into Bohai Bay. Added to Thesaurus in 1989. |
| Liaohe Basin | |
|---|---|
| BT | Asia |
| .Far East | |
| ..China | |
| ...Liaohe Basin | |
| SN | NE China. Added to Thesaurus in 1989. |
| Liaoning China | |
|---|---|
| BT | Asia |
| .Far East | |
| ..China | |
| ...Liaoning China | |
| NT | Anshan China |
| Haicheng China | |
| Liaodong Peninsula | |
| RT | Tancheng-Lujiang fault zone |
| Anshan Group | |
| Bohai Bay | |
| Haicheng earthquake 1975 | |
| SN | Province in NE China. |
| Liaotung Peninsula | |
|---|---|
| USE | Liaodong Peninsula |
| Liard River | |
|---|---|
| BT | Canada |
| .Liard River | |
| RT | British Columbia |
| Yukon Territory | |
| Northwest Territories | |
| SN | After 1993, use Liard River British Columbia for the town in N British Columbia. Indexed with British Columbia and/or territories as applicable. |
| Lias | |
|---|---|
| USE | Lower Jurassic |
| Liassic | |
|---|---|
| USE | Lower Jurassic |
| Liberia | |
|---|---|
| BT | Africa |
| .West Africa | |
| ..Liberia | |
| NT | Bong Range |
| Liberian Shield | |
| RT | Saint John River |
| Nimba Mountains | |
| Liberian Shield | |
|---|---|
| BT | Africa |
| .West Africa | |
| ..Liberia | |
| ...Liberian Shield | |
| SN | Inland plateau. |
| Liberty County Florida | |
|---|---|
| BT | United States |
| .Florida | |
| ..Liberty County Florida | |
| SN | Bounded by Ochlockonee River and Apalachicola River in NW Florida. |
| Liberty County Georgia | |
|---|---|
| BT | United States |
| .Georgia | |
| ..Liberty County Georgia | |
| SN | SE Georgia. |
| Liberty County Montana | |
|---|---|
| BT | United States |
| .Montana | |
| ..Liberty County Montana | |
| SN | E Montana. |
| Liberty County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Liberty County Texas | |
| SN | E Texas. |
| Libia | |
|---|---|
| USE | Libya |
| libraries | |
|---|---|
| RT | bibliography |
| catalogs | |
| collections | |
| education | |
| geology | |
| SN | Added to Thesaurus in 1985. |
| Libyan Desert | |
|---|---|
| BT | Africa |
| .Libyan Desert | |
| RT | Egypt |
| impact features | |
| Bahariya Oasis | |
| Sudan | |
| Libya | |
| Western Desert | |
| SN | Desert area of the E Sahara, W of the Nile. Indexed with countries as applicable. |
| licensing | |
|---|---|
| RT | economic geology |
| geologists | |
| geology | |
| mining geology | |
| practice | |
| registration | |
| resources | |
| SN | Process of granting permission or authorization for some purpose. Indexed with practice and geologists as applicable. |
| lichenometry | |
|---|---|
| RT | geochronology |
| lichens | |
| relative age | |
| lichens | |
|---|---|
| RT | algae |
| cyanobacteria | |
| fungi | |
| lichenometry | |
| Plantae | |
| thallophytes | |
| Lichida | |
|---|---|
| BT | Invertebrata |
| .Arthropoda | |
| ..Trilobitomorpha | |
| ...Trilobita | |
| ....Lichida | |
| Licking County Ohio | |
|---|---|
| BT | United States |
| .Ohio | |
| ..Licking County Ohio | |
| lida |
|---|
| lidar methods | |
|---|---|
| BT | radar methods |
| .lidar methods | |
| BT | laser methods |
| .lidar methods | |
| UF | laser radar methods |
| optical radar methods | |
| RT | remote sensing |
| electromagnetic methods | |
| geophysical profiles | |
| SN | LIght Detection And Ranging. Remote sensing system which uses laser light pulses, which can be operated in a profiling or scanning mode. This term has multiple hierarchies. Added to Thesaurus in 1998. |
| Liechtenstein | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Liechtenstein | |
| RT | Rhine River |
| Rhine Basin | |
| SN | Independent principality between NE Switzerland and W Austria. |
| Liege Belgium | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Belgium | |
| ...Liege Belgium | |
| NT | Stavelot Belgium |
| Vesdre Valley | |
| RT | Hohe Venn |
| Liege earthquake 1983 | |
| Limburg Belgium | |
| SN | Province and city in E Belgium. |
| Liege earthquake 1983 | |
|---|---|
| BT | earthquakes |
| .Liege earthquake 1983 | |
| RT | Belgium |
| Liege Belgium | |
| SN | Epicenter in Liege, E Belgium. Added to Thesaurus in 1989. |
| lifax County Nova Scotia | |
|---|---|
| NT | Halifax Nova Scotia |
| life | |
|---|---|
| SN | A valid index term through 1977 used in combination with origin. |
| life assemblage | |
|---|---|
| USE | biocenoses |
| life o |
|---|
| life origin | |
|---|---|
| RT | biologic evolution |
| creationism | |
| Darwinism | |
| DNA | |
| exobiology | |
| extraterrestrial geology | |
| molecular biology | |
| paleontology | |
| RNA | |
| ligands | |
|---|---|
| RT | bonding |
| chelation | |
| complexing | |
| inorganic materials | |
| ions | |
| metals | |
| organic compounds | |
| organo-metallics | |
| SN | In a chelate or coordination compound, the molecule, ion or group bound to the central atom. Added to Thesaurus in 1993. |
| light microscopy | |
|---|---|
| SN | As of 1993, see optical spectra, optical spectroscopy or microscope methods. |
| light minerals | |
|---|---|
| RT | calcite |
| dolomite | |
| heavy minerals | |
| minerals | |
| muscovite | |
| opaque minerals | |
| quartz | |
| light nonaqueous phase liquids | |
|---|---|
| BT | nonaqueous phase liquids |
| .light nonaqueous phase liquids | |
| UF | LNAPLs |
| RT | pollutants |
| multiphase flow | |
| liquid phase | |
| density | |
| dense nonaqueous phase liquids | |
| oil spills | |
| leaking underground storage tanks | |
| gasoline | |
| petroleum products | |
| SN | Before 1998, also search LNAPL. |
| lightning | |
|---|---|
| RT | fireballs |
| fulgurite | |
| meteorology | |
| lightweight aggregate | |
|---|---|
| USE | aggregate |
| lignin | |
|---|---|
| BT | organic compounds |
| .lignin | |
| RT | seeds |
| cellulose | |
| wood | |
| SN | Added to Thesaurus in 1993. |
| lignite | |
|---|---|
| BT | sedimentary rocks |
| .coal | |
| ..lignite | |
| RT | organic compounds |
| Adamow Mine | |
| anthracite | |
| peat | |
| Belchatow Mine | |
| huminite | |
| humodetrinite | |
| SN | See list C for use as a commodity term. |
| Liguria Italy | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Liguria Italy | |
| NT | Genoa Italy |
| Ligurian Alps | |
| Ligurian Apennines | |
| Savona Italy | |
| SN | Autonomous region in NW Italy. |
| Ligurian Alps | |
|---|---|
| BT | Europe |
| .Alps | |
| ..Western Alps | |
| ...Ligurian Alps | |
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Liguria Italy | |
| ....Ligurian Alps | |
| RT | Maritime Alps |
| Voltri Group | |
| SN | E extension of Maritime Alps along coast of Ligurian Sea. This term has multiple hierarchies. |
| Ligurian Apennines | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Liguria Italy | |
| ....Ligurian Apennines | |
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Apennines | |
| ....Ligurian Apennines | |
| NT | Monte Antola |
| SN | Extend from near Savona SE to just N of La Spezia along coast of Ligurian Sea. This term has multiple hierarchies. |
| Ligurian Sea | |
|---|---|
| BT | Mediterranean Sea |
| .West Mediterranean | |
| ..Ligurian Sea | |
| SN | Enclosed by Italian autonomous regions of Liguria and Tuscany on the N and E, and by Corsica on the S. |
| Likhvin Russian Federation | |
|---|---|
| USE | Chekalin Russian Federation |
| likian | |
|---|---|
| NT | Neohelikian |
| Liliidae | |
|---|---|
| BT | Plantae |
| .Spermatophyta | |
| ..Angiospermae | |
| ...Monocotyledoneae | |
| ....Liliidae | |
| Lille France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Nord France | |
| ....Lille France | |
| SN | City near Belgian frontier in N France. |
| lillianite | |
|---|---|
| BT | sulfosalts |
| .sulfobismuthites | |
| ..lillianite | |
| Lilydale Limestone | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Lilydale Limestone | |
| RT | Australia |
| Victoria Australia | |
| SN | Upper Yarra District in S central Victoria. |
| Lima Peru | |
|---|---|
| BT | South America |
| .Peru | |
| ..Lima Peru | |
| NT | Casapalca Peru |
| Santa Eulalia Peru | |
| RT | Pucara Group |
| SN | Department and city in W Peru. |
| Limagne | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Limagne | |
| RT | Allier France |
| Puy-de-Dome France | |
| SN | Fertile lowland in central France. Indexed with departments as applicable. |
| Limbourg | |
|---|---|
| SN | See Limburg for the region, Limburg Belgium, or Limburg Netherlands. |
| Limburg | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Limburg | |
| RT | Limburg Belgium |
| Limburg Netherlands | |
| Roermond earthquake 1992 | |
| SN | As of 1993, use only for the region in W Europe which includes the town and province in Belgium and province in SE Netherlands. Also search Limbourg. Indexed with countries and provinces as applicable. |
| Limburg Belgium | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Belgium | |
| ...Limburg Belgium | |
| RT | Liege Belgium |
| Limburg | |
| Limburg Netherlands | |
| SN | Name of province in E Belgium. As of 1993, use Limbourg Belgium for town in Liege Belgium. |
| Limburg Netherlands | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Netherlands | |
| ...Limburg Netherlands | |
| NT | Maastricht Netherlands |
| RT | Limburg Belgium |
| Limburg | |
| Roermond earthquake 1992 | |
| SN | Province in SE Netherlands. |
| limburgite | |
|---|---|
| BT | igneous rocks |
| .plutonic rocks | |
| ..ultramafics | |
| ...limburgite | |
| lime | |
|---|---|
| RT | calcium carbonate |
| limestone deposits | |
| SN | Used as a commodity term. |
| Lime Creek Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Upper Devonian | |
| .....Lime Creek Formation | |
| RT | Iowa |
| SN | Includes Juniper Hill, Cerro Gordo, and Owen members. Central N Iowa. |
| Limerick Ireland | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Ireland | |
| ...Limerick Ireland | |
| SN | County in W central Ireland. |
| limestone | |
|---|---|
| BT | sedimentary rocks |
| .carbonate rocks | |
| ..limestone | |
| NT | algal limestone |
| biocalcarenite | |
| biomicrite | |
| biosparite | |
| calcarenite | |
| calcilutite | |
| coquina | |
| dolomitic limestone | |
| micrite | |
| microcrystalline limestone | |
| oolitic limestone | |
| RT | tripoli |
| calcite | |
| algal mounds | |
| allochems | |
| oolite | |
| calcium carbonate | |
| limestone deposits | |
| chalk | |
| travertine | |
| dolomitization | |
| carbonate sediments | |
| jasperoid | |
| metalimestone | |
| oolitic texture | |
| ophicalcite | |
| pisolites | |
| SN | As of 1981, use limestone deposits for limestone as a commodity. |
| Limestone Alps | |
|---|---|
| BT | Europe |
| .Alps | |
| ..Limestone Alps | |
| NT | Northern Limestone Alps |
| RT | Switzerland |
| Italy | |
| France | |
| Croatia | |
| Austria | |
| Germany | |
| SN | May occur in various locations. Search in combination with country of interest. As of 1995, instead use Northern Limestone Alps for the northerly branch of Eastern Alps which occurs chiefly in Austria and S Bavaria. Use Dolomites for that range in N Italy |
| Limestone County Alabama | |
|---|---|
| BT | United States |
| .Alabama | |
| ..Limestone County Alabama | |
| SN | N Alabama. |
| Limestone County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Limestone County Texas | |
| SN | E central Texas. |
| limestone deposits | |
|---|---|
| RT | building stone |
| cement materials | |
| chalk deposits | |
| construction materials | |
| crushed stone | |
| dimension stone | |
| dolostone deposits | |
| lime | |
| limestone | |
| marble deposits | |
| ornamental materials | |
| SN | Commodity. See List C. |
| limit, elastic | |
|---|---|
| USE | elastic limit |
| limits, Atterberg | |
|---|---|
| USE | Atterberg limits |
| Limnocardium | |
|---|---|
| BT | Invertebrata |
| .Mollusca | |
| ..Bivalvia | |
| ...Limnocardium | |
| SN | Genus. |
| limnology | |
|---|---|
| RT | geomorphology |
| glacial lakes | |
| hydrology | |
| lacustrine features | |
| lakes | |
| paleolimnology | |
| ponds | |
| seiches | |
| Limon earthquake 1991 | |
|---|---|
| USE | Costa Rica earthquake 1991 |
| limonite | |
|---|---|
| BT | oxides |
| .limonite | |
| RT | iron ores |
| iron oxides | |
| ocher | |
| iron minerals | |
| hydrogoethite | |
| SN | Before 1981, included use as a commodity term under iron. As of 1981, may be used as a commodity term. |
| Limousin | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Limousin | |
| SN | Historical region in S central France. |
| Limpopo Basin | |
|---|---|
| BT | Africa |
| .Limpopo Basin | |
| UF | Crocodile River basin |
| RT | South Africa |
| Transvaal region | |
| Botswana | |
| Zimbabwe | |
| Northern Province South Africa | |
| Mozambique | |
| SN | River basin. Also search Limpopo. Indexed with countries as applicable. |
| Limpopo Belt | |
|---|---|
| BT | Africa |
| .Limpopo Belt | |
| RT | Precambrian |
| Kaapvaal Craton | |
| Limpopo Orogeny | |
| South Africa | |
| Botswana | |
| Zimbabwe | |
| Mozambique | |
| SN | Orogenic belt at the N margin of the Kaapvaal Craton in S Africa. Consists of Precambrian metamorphic rocks (the Messina Formation in South Africa). Also search Limpopo. Indexed with countries as applicable. Added to Thesaurus in 1981. |
| Limpopo Orogeny | |
|---|---|
| RT | Archean |
| Botswana | |
| Limpopo Belt | |
| Mozambique | |
| orogeny | |
| South Africa | |
| Zimbabwe | |
| SN | Archean. Added to Thesaurus in 1995. |
| Limski Channel | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Croatia | |
| ...Limski Channel | |
| RT | Istria |
| SN | On Istria Peninsula SW of Rijeka. |
| Lincoln County Arkansas | |
|---|---|
| BT | United States |
| .Arkansas | |
| ..Lincoln County Arkansas | |
| SN | SE Arkansas. |
| Lincoln County Colorado | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Lincoln County Colorado | |
| SN | E central Colorado. |
| Lincoln County Georgia | |
|---|---|
| BT | United States |
| .Georgia | |
| ..Lincoln County Georgia | |
| SN | NE Georgia. |
| Lincoln County Idaho | |
|---|---|
| BT | United States |
| .Idaho | |
| ..Lincoln County Idaho | |
| SN | S Idaho. |
| Lincoln County Kansas | |
|---|---|
| BT | United States |
| .Kansas | |
| ..Lincoln County Kansas | |
| SN | Central Kansas. |
| Lincoln County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Lincoln County Kentucky | |
| SN | Central Kentucky. |
| Lincoln County Maine | |
|---|---|
| BT | United States |
| .Maine | |
| ..Lincoln County Maine | |
| SN | S Maine. |
| Lincoln County Minnesota | |
|---|---|
| BT | United States |
| .Minnesota | |
| ..Lincoln County Minnesota | |
| SN | SW Minnesota. |
| Lincoln County Mississippi | |
|---|---|
| BT | United States |
| .Mississippi | |
| ..Lincoln County Mississippi | |
| SN | SW Mississippi. |
| Lincoln County Missouri | |
|---|---|
| BT | United States |
| .Missouri | |
| ..Lincoln County Missouri | |
| SN | E Missouri. |
| Lincoln County Montana | |
|---|---|
| BT | United States |
| .Montana | |
| ..Lincoln County Montana | |
| RT | Purcell Mountains |
| SN | Extreme NW Montana. |
| Lincoln County Nebraska | |
|---|---|
| BT | United States |
| .Nebraska | |
| ..Lincoln County Nebraska | |
| SN | SW central Nebraska. |
| Lincoln County Nevada | |
|---|---|
| BT | United States |
| .Nevada | |
| ..Lincoln County Nevada | |
| RT | Egan Range |
| SN | SE Nevada. |
| Lincoln County New Mexico | |
|---|---|
| BT | United States |
| .New Mexico | |
| ..Lincoln County New Mexico | |
| RT | Orogrande Basin |
| Sierra Blanca | |
| SN | S central New Mexico. |
| Lincoln County North Carolina | |
|---|---|
| BT | United States |
| .North Carolina | |
| ..Lincoln County North Carolina | |
| SN | W central North Carolina. |
| Lincoln County Oklahoma | |
|---|---|
| BT | United States |
| .Oklahoma | |
| ..Lincoln County Oklahoma | |
| SN | Central Oklahoma. |
| Lincoln County Oregon | |
|---|---|
| BT | United States |
| .Oregon | |
| ..Lincoln County Oregon | |
| NT | Newport Oregon |
| Yaquina Bay | |
| SN | W Oregon. |
| Lincoln County South Dakota | |
|---|---|
| BT | United States |
| .South Dakota | |
| ..Lincoln County South Dakota | |
| SN | SE South Dakota. |
| Lincoln County Tennessee | |
|---|---|
| BT | United States |
| .Tennessee | |
| ..Lincoln County Tennessee | |
| SN | S Tennessee. |
| Lincoln County Washington | |
|---|---|
| BT | United States |
| .Washington | |
| ..Lincoln County Washington | |
| NT | Odessa Washington |
| SN | E Washington. |
| Lincoln County West Virginia | |
|---|---|
| BT | United States |
| .West Virginia | |
| ..Lincoln County West Virginia | |
| SN | W West Virginia. |
| Lincoln County Wisconsin | |
|---|---|
| BT | United States |
| .Wisconsin | |
| ..Lincoln County Wisconsin | |
| SN | N central Wisconsin. |
| Lincoln County Wyoming | |
|---|---|
| BT | United States |
| .Wyoming | |
| ..Lincoln County Wyoming | |
| RT | Moxa Arch |
| SN | W Wyoming. |
| Lincoln Creek Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Tertiary | |
| ....Lincoln Creek Formation | |
| RT | Eocene |
| Oligocene | |
| Miocene | |
| Washington | |
| SN | Vaguely defined. SW Washington. Also search Lincoln Formation and Washington. |
| Lincoln Parish Louisiana | |
|---|---|
| BT | United States |
| .Louisiana | |
| ..Lincoln Parish Louisiana | |
| SN | N Louisiana. |
| Lincolnshire England | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....England | |
| .....Lincolnshire England | |
| RT | Gibraltar Point |
| Humberside England | |
| SN | County on the North Sea in E England. In 1974, Humberside County was formed from part. |
| Lincolnshire Limestone | |
|---|---|
| RT | England |
| Jurassic | |
| Ordovician | |
| Tennessee | |
| Virginia | |
| SN | Ordovician formation in SW Virginia and NW Tennessee, and a Jurassic formation in England. Also search Lincolnshire Formation for the one in the United States; also search Lincolnshire Limestone Formation for the one in England. Indexed with ages as appli |
| Lindlar Germany | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...North Rhine-Westphalia Germany | |
| ....Lindlar Germany | |
| SN | Village in North Rhine-Westphalia, W Germany. |
| line defects | |
|---|---|
| USE | crystal dislocations |
| Line Islands | |
|---|---|
| BT | Oceania |
| .Polynesia | |
| ..Line Islands | |
| NT | Fanning Island |
| RT | East Pacific Ocean Islands |
| Pacific Ocean | |
| Christmas Island | |
| Kiribati | |
| DSDP Site 314 | |
| DSDP Site 315 | |
| DSDP Site 316 | |
| SN | Group S of Hawaiian Islands, N and S of Equator. Some belong to U.S., some to Kiribati. |
| line of strike | |
|---|---|
| USE | strike |
| lineaments | |
|---|---|
| UF | tectonic lines |
| RT | tectonics |
| faults | |
| remote sensing | |
| lineation | |
| fault zones | |
| linear distortion | |
|---|---|
| RT | distortion |
| elastic waves | |
| seismology | |
| SN | Added to Thesaurus in 1981. |
| linear materials | |
|---|---|
| RT | engineering geology |
| materials | |
| stiffness | |
| SN | Added to Thesaurus in 1981. |
| linear orientation | |
|---|---|
| RT | orientation |
| SN | Before 1978, search linear. |
| linear programming | |
|---|---|
| RT | computer programs |
| data processing | |
| mathematical models | |
| SN | Added to Thesaurus in 1985. |
| lineation | |
|---|---|
| UF | lineations |
| RT | igneous rocks |
| metamorphic rocks | |
| metamorphism | |
| deformation | |
| folds | |
| fractures | |
| intrusions | |
| cleavage | |
| foliation | |
| bedding | |
| boudinage | |
| slickensides | |
| orientation | |
| elongate minerals | |
| fabric | |
| preferred orientation | |
| lineaments | |
| flow lines | |
| slickenlines | |
| mullions | |
| parting lineation | |
| SN | Small-scale linear features. For large-scale features, see lineaments. |
| lineations | |
|---|---|
| USE | lineation |
| liners | |
|---|---|
| USE | disposal barriers |
| lines, flow | |
|---|---|
| USE | flow lines |
| Lingula | |
|---|---|
| BT | Invertebrata |
| .Brachiopoda | |
| ..Inarticulata | |
| ...Lingula | |
| SN | Genus. |
| Linn County Iowa | |
|---|---|
| BT | United States |
| .Iowa | |
| ..Linn County Iowa | |
| SN | E Iowa. |
| Linn County Kansas | |
|---|---|
| BT | United States |
| .Kansas | |
| ..Linn County Kansas | |
| SN | E Kansas. |
| Linn County Missouri | |
|---|---|
| BT | United States |
| .Missouri | |
| ..Linn County Missouri | |
| SN | N central Missouri. |
| Linn County Oregon | |
|---|---|
| BT | United States |
| .Oregon | |
| ..Linn County Oregon | |
| RT | Mount Jefferson |
| SN | W Oregon. |
| linnaeite | |
|---|---|
| BT | sulfides |
| .linnaeite | |
| UF | cobalt pyrites |
| linneite | |
| RT | carrollite |
| polydymite | |
| siegenite | |
| linneite | |
|---|---|
| USE | linnaeite |
| Linz Austria | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Austria | |
| ...Upper Austria | |
| ....Linz Austria | |
| SN | City in NW Upper Austria. |
| liolitidae | |
|---|---|
| NT | Heliolites |
| Lipari Island | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Sicily Italy | |
| ....Lipari Islands | |
| .....Lipari Island | |
| Lipari Islands | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Sicily Italy | |
| ....Lipari Islands | |
| NT | Lipari Island |
| Stromboli | |
| Vulcano | |
| UF | Aeolian Islands |
| SN | Group of small volcanic islands in SE Tyrrhenian Sea off N coast of Sicily. Also search Lipari. |
| liparite | |
|---|---|
| BT | igneous rocks |
| .volcanic rocks | |
| ..rhyolites | |
| ...liparite | |
| liparite porphyry | |
|---|---|
| BT | igneous rocks |
| .volcanic rocks | |
| ..rhyolites | |
| ...liparite porphyry | |
| RT | porphyry |
| lipids | |
|---|---|
| BT | organic compounds |
| .organic acids | |
| ..fatty acids | |
| ...lipids | |
| Lippe Valley | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...North Rhine-Westphalia Germany | |
| ....Lippe Valley | |
| SN | Valley of Lippe River, which flows into the Rhine River at Wesel, W Germany. Also search Lippe. |
| Lipscomb County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Lipscomb County Texas | |
| liptinite | |
|---|---|
| USE | exinite |
| liquefaction | |
|---|---|
| RT | coseismic processes |
| geologic hazards | |
| geomorphology | |
| liquefaction potential | |
| mass movements | |
| sediments | |
| slope stability | |
| slumping | |
| soil mechanics | |
| SN | Not to be used under phase equilibria. |
| liquefaction potential | |
|---|---|
| RT | engineering geology |
| geologic hazards | |
| liquefaction | |
| slope stability | |
| SN | Added to Thesaurus in 1981. |
| liquid | |
|---|---|
| USE | liquid phase |
| liquid chromatography | |
|---|---|
| RT | chromatography |
| ion chromatography | |
| SN | Added to Thesaurus in 1985. |
| liquid inclusions | |
|---|---|
| USE | fluid inclusions |
| liquid phase | |
|---|---|
| UF | liquid |
| RT | Henry's law |
| boiling | |
| gaseous phase | |
| dense nonaqueous phase liquids | |
| fluid phase | |
| nonaqueous phase liquids | |
| light nonaqueous phase liquids | |
| solid phase | |
| melts | |
| silicate melts | |
| SN | Before 1978, also search liquid. |
| liquid scintillation methods | |
|---|---|
| UF | scintillation methods, liquid |
| RT | mass spectroscopy |
| chemical analysis | |
| radioactivity | |
| radioactivity methods | |
| scintillations | |
| SN | Added to Thesaurus in 1995. |
| Lisbon Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....middle Eocene | |
| ......Lisbon Formation | |
| RT | Mississippi |
| Alabama | |
| Georgia | |
| Claiborne Group | |
| SN | In Claiborne Group. Georgia, Mississippi and SW Alabama. Added to Thesaurus in 1985. |
| Lisbon Portugal | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Portugal | |
| ....Lisbon Portugal | |
| SN | Capital and port city, Lisboa district, SW coast of Portugal. Before 1993, also search Lisboa AND Portugal. Before 1998, this may have been used for other parts of Lisboa District. Indexed with Lisboa Portugal. |
| Lisburne Group | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Lisburne Group | |
| RT | Carboniferous |
| Permian | |
| Alaska | |
| Kayak Shale | |
| Kanayut Conglomerate | |
| Wahoo Limestone | |
| SN | Mississippian to Permian. Includes Wachsmuth Limestone, Alapah Limestone, Kayak Shale, Kanayut Conglomerate. N Alaska. Indexed with ages as applicable. |
| Lissamphibia | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Amphibia | |
| ....Lissamphibia | |
| NT | Anura |
| Caudata | |
| SN | Subclass. |
| list, faunal | |
|---|---|
| USE | faunal list |
| listric faults | |
|---|---|
| BT | faults |
| .listric faults | |
| RT | accommodation zones |
| hinge faults | |
| normal faults | |
| slumping | |
| growth faults | |
| half grabens | |
| SN | Added to Thesaurus in 1985. |
| listvenite | |
|---|---|
| BT | silicates |
| .sheet silicates | |
| ..mica group | |
| ...listvenite | |
| listwanite | |
|---|---|
| BT | metamorphic rocks |
| .schists | |
| ..listwanite | |
| SN | Compositional term. |
| Litchfield County Connecticut | |
|---|---|
| BT | United States |
| .Connecticut | |
| ..Litchfield County Connecticut | |
| NT | Woodbury Connecticut |
| SN | NW Connecticut. |
| litharenite | |
|---|---|
| BT | sedimentary rocks |
| .clastic rocks | |
| ..arenite | |
| ...litharenite | |
| RT | sandstone |
| terrigenous materials | |
| graywacke | |
| subgraywacke | |
| SN | Also search lithic arenite. Added to Thesaurus in 1995. |
| lithification | |
|---|---|
| RT | cementation |
| coal | |
| compaction | |
| compression | |
| consolidation | |
| crystallization | |
| diagenesis | |
| recrystallization | |
| sedimentation | |
| sediments | |
| lithiophilite | |
|---|---|
| BT | phosphates |
| .lithiophilite | |
| lithiophorite | |
|---|---|
| BT | oxides |
| .lithiophorite | |
| lithium | |
|---|---|
| BT | metals |
| .alkali metals | |
| ..lithium | |
| NT | Li-6 |
| Li-7 | |
| UF | Li |
| RT | amblygonite |
| lithium ores | |
| SN | Chemical element. Use lithium ores for lithium as a commodity. |
| lithium ores | |
|---|---|
| BT | metal ores |
| .lithium ores | |
| RT | lithium |
| spodumene | |
| petalite | |
| lithofacies | |
|---|---|
| RT | facies |
| hardground | |
| ichnofabric | |
| lithosomes | |
| reefs | |
| sedimentary rocks | |
| sediments | |
| seismic stratigraphy | |
| stratigraphic wedges | |
| Waulsortian facies | |
| lithofacies maps | |
|---|---|
| BT | maps |
| .lithofacies maps | |
| RT | lithologic maps |
| SN | Before 1978, search maps AND lithofacies. Added to Thesaurus in 1996. |
| lithogeochemical methods | |
|---|---|
| SN | Not a valid term for GeoRef. See geochemical methods, geochemical surveys, or lithogeochemistry. |
| lithogeochemistry | |
|---|---|
| BT | geochemistry |
| .lithogeochemistry | |
| RT | chemical analysis |
| igneous rocks | |
| composition | |
| metamorphic rocks | |
| metasomatism | |
| metamorphism | |
| geochemical anomalies | |
| iron-rich composition | |
| geologic thermometry | |
| fluid inclusions | |
| migration of elements | |
| geologic barometry | |
| devitrification | |
| geochemical logging | |
| fugacity | |
| SN | before 1993, also search geochemistry and rock type. Added to Thesaurus in 1993. |
| lithologic controls | |
|---|---|
| RT | controls |
| mineral deposits, genesis | |
| stratigraphic controls | |
| SN | Before 1978, search lithologic and controls. |
| lithologic maps | |
|---|---|
| BT | maps |
| .lithologic maps | |
| RT | lithofacies maps |
| SN | Before 1978, search maps AND lithologic. |
| lithologic traps | |
|---|---|
| USE | stratigraphic traps |
| lithology | |
|---|---|
| SN | As of 1981, no longer a valid term for GeoRef. See petrology. |
| lithophile elements | |
|---|---|
| UF | oxyphile elements |
| RT | aluminum |
| chalcophile elements | |
| boron | |
| chemical elements | |
| calcium | |
| cerium | |
| lanthanum | |
| selenium | |
| siderophile elements | |
| manganese | |
| uranium | |
| potassium | |
| rubidium | |
| sodium | |
| SN | Chemical elements which tend to concentrate in silicate phases of meteorites. Also, an element possessing greater free energy of oxidation per gram of oxygen than iron. Before 1978, also search lithophile. |
| Lithophyllum | |
|---|---|
| BT | Plantae |
| .algae | |
| ..Rhodophyta | |
| ...Corallinaceae | |
| ....Lithophyllum | |
| RT | microfossils |
| SN | Indexed with microfossils if applicable. |
| Lithoprobe | |
|---|---|
| RT | geophysical methods |
| geophysical surveys | |
| geotraverses | |
| lithosphere | |
| reflection methods | |
| seismic methods | |
| seismic profiles | |
| SN | Program for seismic reflection profiling of the lithosphere. Added to Thesaurus in 1989. |
| lithosiderite | |
|---|---|
| USE | stony irons |
| Lithosols | |
|---|---|
| BT | soils |
| .Lithosols | |
| lithosomes | |
|---|---|
| RT | facies |
| lithofacies | |
| sedimentary rocks | |
| sediments | |
| SN | Added to Thesaurus in 1995. |
| lithostatic pressure | |
|---|---|
| UF | geostatic pressure |
| ground pressure | |
| overburden pressure | |
| rock pressure | |
| RT | rock mechanics |
| soil mechanics | |
| pressure | |
| overpressure | |
| SN | Vertical pressure at a point in the Earth's crust, equal to the pressure caused by the weight of a column of the overlying rock or soil. Added to Thesaurus in 1998. |
| Lithothamnion | |
|---|---|
| USE | Lithothamnium |
| Lithothamnium | |
|---|---|
| BT | Plantae |
| .algae | |
| ..Rhodophyta | |
| ...Corallinaceae | |
| ....Lithothamnium | |
| UF | Lithothamnion |
| RT | microfossils |
| SN | Genus. Indexed with microfossils if applicable. |
| lithotypes | |
|---|---|
| NT | clarain |
| durain | |
| fusain | |
| vitrain | |
| RT | bituminous coal |
| coal | |
| humic coal | |
| macerals | |
| sapropelite | |
| SN | Visible bands in humic coals. Lithotypes for bituminous coal are vitrain, clarain, durain, and fusain; beds or bands of cannel and boghead coals (sapropelite) are sometimes included. Added to Thesaurus in 1998. |
| Lithuania | |
|---|---|
| BT | Europe |
| .Baltic region | |
| ..Lithuania | |
| NT | Sventoji River |
| Vilna Lithuania | |
| RT | Baltic Glaciation |
| Baltica | |
| Neman River basin | |
| Russian Plain | |
| Courland Spit | |
| SN | Former Lithuanian Soviet Socialist Republic. |
| Litopterna | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Mammalia | |
| ....Theria | |
| .....Eutheria | |
| ......Litopterna | |
| RT | Ungulata |
| SN | Order. |
| Litorina Sea | |
|---|---|
| BT | wer Holocene |
| .Litorina Sea | |
| RT | Finland |
| Sweden | |
| Baltic Glaciation | |
| Baltic region | |
| Norway | |
| SN | Lower Holocene. Stage of Baltic Glaciation. Baltic region. Indexed with countries as applicable. Added to Thesaurus in 1993. |
| Little Bahama Bank | |
|---|---|
| BT | Atlantic Ocean |
| .North Atlantic | |
| ..Little Bahama Bank | |
| RT | Bahamas |
| Great Bahama Bank | |
| Leg 101 | |
| Northwest Providence Channel | |
| ODP Site 628 | |
| ODP Site 629 | |
| ODP Site 630 | |
| SN | Shoal in N Bahamas, between Grand Bahama and Great Abaco islands. Added to Thesaurus in 1985. |
| Little Belt Mountains | |
|---|---|
| BT | United States |
| .U. S. Rocky Mountains | |
| ..Little Belt Mountains | |
| BT | United States |
| .Montana | |
| ..Little Belt Mountains | |
| RT | Cascade County Montana |
| Judith Basin County Montana | |
| SN | Range of the Rocky Mountains in central Montana. This term has multiple hierarchies. |
| Little Falls Formation | |
|---|---|
| RT | Minnesota |
| New York | |
| Paleoproterozoic | |
| Potsdam Sandstone | |
| Upper Cambrian | |
| SN | Represents an offshore, more carbonate phase of Potsdam Sandstone, Galway Formation, and perhaps even part of Hoyt Limestone in the Upper Cambrian of E central and E New York. Also used for a Paleoproterozic formation in Minnesota. Indexed with age as app |
| Little Ice Age | |
|---|---|
| USE | Neoglacial |
| Little Khingan Mountains | |
|---|---|
| USE | Xiao Hinggan Ling |
| Little Maria Mountains | |
|---|---|
| BT | United States |
| .California | |
| ..Riverside County California | |
| ...Little Maria Mountains | |
| RT | Big Maria Mountains |
| SN | SE California. Added to Thesaurus in 1985. |
| Little Missouri River basin | |
|---|---|
| BT | United States |
| .Little Missouri River basin | |
| RT | Wyoming |
| Montana | |
| North Dakota | |
| South Dakota | |
| SN | Also search Little Missouri River. Indexed with states as applicable. |
| Little River County Arkansas | |
|---|---|
| BT | United States |
| .Arkansas | |
| ..Little River County Arkansas | |
| Little Skull Mountain earthquake 1992 | |
|---|---|
| BT | earthquakes |
| .Little Skull Mountain earthquake 1992 | |
| RT | Nevada |
| Yucca Mountain | |
| Landers earthquake 1992 | |
| SN | Epicenter is 22 miles from Yucca Mountain, SW Nevada. |
| Little Walachia | |
|---|---|
| USE | Oltenia |
| Littleton Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Lower Devonian | |
| .....Littleton Formation | |
| RT | Vermont |
| Massachusetts | |
| New Hampshire | |
| SN | Includes Gove Member, Hubbard Hill Member, May Pond Member, Dakin Hill Member, Pittsfield Member, Jenness Pond Member, Durgin Brook Member. Central and S New Hampshire, N central Massachusetts, and SE Vermont. |
| littoral | |
|---|---|
| SN | A valid term through 1977. As of 1981, use intertidal environment. |
| littoral cells | |
|---|---|
| RT | coastal environment |
| geomorphology | |
| lacustrine environment | |
| longshore currents | |
| sediment transport | |
| sedimentation | |
| shorelines | |
| SN | Added to Thesaurus in 1995. |
| littoral drift | |
|---|---|
| UF | longshore drift |
| shore drift | |
| RT | sediments |
| longshore currents | |
| progradation | |
| littoral environment | |
|---|---|
| USE | intertidal environment |
| littoral erosion | |
|---|---|
| BT | erosion |
| .littoral erosion | |
| UF | beach erosion |
| RT | geomorphology |
| marine environment | |
| barrier islands | |
| shorelines | |
| beaches | |
| bars | |
| capes | |
| beach profiles | |
| marine terraces | |
| coastal environment | |
| benches | |
| wave-cut platforms | |
| ocean waves | |
| intertidal environment | |
| spits | |
| nearshore environment | |
| tides | |
| SN | Before 1982, also search erosion AND (beaches OR beach). Added to Thesaurus in 1982. |
| Lituolacea | |
|---|---|
| BT | Invertebrata |
| .Protista | |
| ..Foraminifera | |
| ...Textulariina | |
| ....Lituolacea | |
| NT | Ammobaculites |
| Ataxophragmiidae | |
| Lituolidae | |
| Orbitolinidae | |
| Trochammina | |
| RT | microfossils |
| SN | Indexed with microfossils if applicable. |
| Lituolidae | |
|---|---|
| BT | Invertebrata |
| .Protista | |
| ..Foraminifera | |
| ...Textulariina | |
| ....Lituolacea | |
| .....Lituolidae | |
| BT | microfossils |
| .Lituolidae | |
| NT | Haplophragmoides |
| SN | Family. This term has multiple hierarchies. |
| Live Oak County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Live Oak County Texas | |
| SN | S Texas. |
| Livermore California | |
|---|---|
| BT | United States |
| .California | |
| ..Alameda County California | |
| ...Livermore California | |
| RT | Lawrence Livermore National Laboratory |
| SN | E of San Francisco Bay, Northern California. |
| Liverpool Bay | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....England | |
| .....Liverpool Bay | |
| RT | Lancashire England |
| SN | Inlet of Irish Sea off Liverpool. Also search Liverpool. |
| living fossils | |
|---|---|
| RT | fossils |
| living taxa | |
| SN | Added to Thesaurus in 1981. |
| living materials | |
|---|---|
| USE | living taxa |
| living taxa | |
|---|---|
| UF | culture, living |
| extant taxa | |
| living materials | |
| taxa, living | |
| RT | ecology |
| fossils | |
| biota | |
| thermophilic taxa | |
| faunal studies | |
| floral studies | |
| living fossils | |
| SN | Used when organisms are studied while they are still living. |
| Livingston County Illinois | |
|---|---|
| BT | United States |
| .Illinois | |
| ..Livingston County Illinois | |
| SN | E central Illinois. |
| Livingston County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Livingston County Kentucky | |
| SN | SW Kentucky. |
| Livingston County Michigan | |
|---|---|
| BT | United States |
| .Michigan | |
| ..Michigan Lower Peninsula | |
| ...Livingston County Michigan | |
| SN | SE Michigan. |
| Livingston County Missouri | |
|---|---|
| BT | United States |
| .Missouri | |
| ..Livingston County Missouri | |
| SN | N central Missouri. |
| Livingston County New York | |
|---|---|
| BT | United States |
| .New York | |
| ..Livingston County New York | |
| NT | Springwater New York |
| RT | Genesee River |
| SN | W central New York. |
| Livingston Island | |
|---|---|
| BT | Antarctica |
| .South Shetland Islands | |
| ..Livingston Island | |
| RT | False Bay |
| SN | One of South Shetland Islands in British Antarctic Territory off the Antarctic Peninsula. This term has multiple hierarchies. |
| Livingston Parish Louisiana | |
|---|---|
| BT | United States |
| .Louisiana | |
| ..Livingston Parish Louisiana | |
| SN | SE Louisiana. |
| Livorno Italy | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Tuscany Italy | |
| ....Livorno Italy | |
| UF | Leghorn Italy |
| SN | Province in NW Tuscany. Also a city on the Ligurian Sea now known as Leghorn. |
| lixiviation | |
|---|---|
| USE | leaching |
| lizardite | |
|---|---|
| BT | silicates |
| .sheet silicates | |
| ..serpentine group | |
| ...lizardite | |
| Ljubljana Slovenia | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Slovenia | |
| ...Ljubljana Slovenia | |
| UF | Ljubljana Yugoslavia |
| Lyublyana Slovenia | |
| SN | Capitol city and administrative region in central Slovenia. Before 1993, Ljubljana Yugoslavia was also used. |
| Ljubljana Yugoslavia | |
|---|---|
| USE | Ljubljana Slovenia |
| LL chondrites | |
|---|---|
| BT | meteorites |
| .stony meteorites | |
| ..chondrites | |
| ...LL chondrites | |
| NT | Chainpur Meteorite |
| Innisfree Meteorite | |
| Krymka Meteorite | |
| Semarkona Meteorite | |
| UF | LL-group chondrites |
| SN | Added to Thesaurus in 1981. |
| LL-group chondrites | |
|---|---|
| USE | LL chondrites |
| Llajas Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....Llajas Formation | |
| RT | California |
| SN | Lower and middle Eocene. S California. Added to Thesaurus in 1989. |
| Llandeilian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Ordovician | |
| ....Middle Ordovician | |
| .....Llandeilian | |
| RT | Borrowdale Volcanic Series |
| SN | Europe. Above Llanvirnian, below lower Caradocian. |
| Llandoverian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Silurian | |
| ....Lower Silurian | |
| .....Llandoverian | |
| NT | Interlake Formation |
| UF | Valentian |
| RT | Llandovery Wales |
| SN | Valentian. Europe. Above Ashgillian (Ordovician), below Wenlockian. |
| Llandovery | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Silurian | |
| ....Llandovery | |
| NT | Rhuddanian |
| Aeronian | |
| Telychian | |
| SN | No longer a valid term for GeoRef.See Llandovery Wales. Before 1978, this term was often used for the age term, Llandoverian. |
| Llandovery Wales | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....Wales | |
| .....Dyfed Wales | |
| ......Llandovery Wales | |
| RT | Llandoverian |
| SN | Town in S Wales. Before 1978, Llandovery was often used for the age term. |
| Llano County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Llano County Texas | |
| NT | Llano Texas |
| RT | Llano Uplift |
| SN | Central Texas. |
| Llano Estacado | |
|---|---|
| BT | United States |
| .Llano Estacado | |
| UF | Staked Plain |
| RT | New Mexico |
| Oklahoma | |
| Texas | |
| Southern Great Plains | |
| SN | Vast plateau. Indexed with states as applicable. |
| Llano Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Llano County Texas | |
| ...Llano Texas | |
| SN | Town in central Texas. |
| Llano Uplift | |
|---|---|
| BT | United States |
| .Texas | |
| ..Llano Uplift | |
| RT | Llano County Texas |
| Llanos | |
|---|---|
| UF | Llanos Basin |
| RT | South America |
| Colombia | |
| Venezuela | |
| Orinoco River basin | |
| SN | Vast plains drained by the Orinoco River. Indexed with countries as applicable. |
| Llanos Basin | |
|---|---|
| USE | Llanos |
| Llanvirnian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Ordovician | |
| ....Middle Ordovician | |
| .....Llanvirnian | |
| RT | Buchans Group |
| Borrowdale Volcanic Series | |
| SN | Europe. Above Arenigian, below Llandeilian. |
| Llewn Promontory | |
|---|---|
| USE | Lleyn Peninsula |
| lley#Aztec Sandstone#Balaklala Rhyolite#Barstow Formation#Basin and Range Provin |
|---|
| Lleyn Peninsula | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....Wales | |
| .....Caernarvonshire Wales | |
| ......Lleyn Peninsula | |
| UF | Llewn Promontory |
| SN | Headland extending SW into Saint George's Channel from NW Wales. |
| Llobregat River basin | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Catalonia Spain | |
| .....Llobregat River basin | |
| RT | Barcelona Spain |
| Lerida Spain | |
| SN | In Catalonia, NE Spain. Also search Llobregat River. Indexed with province as applicable. |
| llsborough County New Hampshire | |
|---|---|
| NT | Manchester New Hampshire |
| LNAPLs | |
|---|---|
| USE | light nonaqueous phase liquids |
| load casts | |
|---|---|
| BT | sedimentary structures |
| .turbidity current structures | |
| ..load casts | |
| UF | casts, load |
| RT | bedding plane irregularities |
| flame structures | |
| soft sediment deformation | |
| casts | |
| sole marks | |
| flute casts | |
| SN | Also index bedding plane structures or soft sediment structures if applicable (See list K.) |
| load pressure | |
|---|---|
| RT | dynamic loading |
| engineering geology | |
| load tests | |
| pressure | |
| load tests | |
|---|---|
| RT | cyclic loading |
| engineering geology | |
| lateral loading | |
| load pressure | |
| loading | |
| rock mechanics | |
| soil mechanics | |
| testing | |
| SN | Added to Thesaurus in 1982. |
| loading | |
|---|---|
| NT | cyclic loading |
| dynamic loading | |
| lateral loading | |
| RT | Boussinesq equation |
| critical load | |
| fatigue | |
| load tests | |
| soil mechanics | |
| loam | |
|---|---|
| BT | soils |
| .loam | |
| RT | sand |
| clay | |
| silt | |
| loess | |
| Loanda Angola | |
|---|---|
| USE | Luanda Angola |
| loans | |
|---|---|
| RT | economics |
| SN | Usually out-of-scope for GeoRef. Added to Thesaurus in 1981. |
| lobes, glacial | |
|---|---|
| USE | glacial lobes |
| localities | |
|---|---|
| SN | Not a valid term for GeoRef. As of 1993, see fossil localities, mineral localities, or type localities. |
| localization | |
|---|---|
| RT | concentration |
| metasomatism | |
| mineral deposits, genesis | |
| mineralization | |
| minerals | |
| sedimentation | |
| SN | Used for concentration of minerals. |
| location maps | |
|---|---|
| USE | site location maps |
| locene | |
|---|---|
| NT | Atlantic |
| Boreal | |
| Flandrian | |
| Hat Creek Basalt | |
| lower Holocene | |
| middle Holocene | |
| Neoglacial | |
| Preboreal | |
| Subboreal | |
| upper Holocene | |
| Versilian | |
| Loch Lomond | |
|---|---|
| RT | Cape Breton Island |
| Central region Scotland | |
| Nova Scotia | |
| Strathclyde region Scotland | |
| SN | S central Scotland. Also a lake in Nova Scotia. Before 1993 also used for various town names. Indexed with regions as applicable. |
| Loch Lomond Stade | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Upper Pleistocene | |
| ......Weichselian | |
| .......Loch Lomond Stade | |
| UF | Loch Lomond Stadial |
| SN | Europe. Added to Thesaurus in 1989. |
| Loch Lomond Stadial | |
|---|---|
| USE | Loch Lomond Stade |
| Lochkovian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Lower Devonian | |
| .....Lochkovian | |
| SN | Europe. |
| Lockatong Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Triassic | |
| ....Upper Triassic | |
| .....Lockatong Formation | |
| RT | Pennsylvania |
| New York | |
| New Jersey | |
| Newark Supergroup | |
| SN | In Newark Supergroup. New Jersey, S New York and SE Pennsylvania. Added to Thesaurus in 1989. |
| Lockport Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Silurian | |
| ....Middle Silurian | |
| .....Niagaran | |
| ......Lockport Formation | |
| RT | Ontario |
| Kentucky | |
| Ohio | |
| Pennsylvania | |
| New York | |
| West Virginia | |
| Michigan | |
| SN | Includes Gasport Dolomite, Suspension Bridge Dolomite and Eramosa Dolomite members at Niagara Gorge. In New York, includes DeCew Waterlime, Gasport Limestone, Goat Island, Oak Orchard members, Devils Hole Dolomite, and Oakfield Limestone. |
| locomotion | |
|---|---|
| RT | biomechanics |
| bipedalism | |
| flight | |
| fossils | |
| pelvises | |
| wings | |
| Lodeve Basin | |
|---|---|
| BT | rault France |
| .Lodeve Basin | |
| SN | S France. |
| Lodeve France | |
|---|---|
| BT | rault France |
| .Lodeve France | |
| SN | Town in N Herault, S France. |
| lodgement till | |
|---|---|
| BT | sediments |
| .clastic sediments | |
| ..till | |
| ...lodgement till | |
| UF | lodgment till |
| RT | glacial geology |
| glacial features | |
| SN | Added to Thesaurus in 1989. |
| Lodgepole Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Mississippian | |
| .....Lower Mississippian | |
| ......Lodgepole Formation | |
| RT | Utah |
| Wyoming | |
| Montana | |
| Madison Group | |
| SN | In Madison Group. Includes Paine member, Woodhurst Member, Little Chief Canyon Member. SW Montana, NE Utah, and E Wyoming. |
| lodgment till | |
|---|---|
| USE | lodgement till |
| lodranite | |
|---|---|
| BT | meteorites |
| .stony irons | |
| ..lodranite | |
| Lodz Poland | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Lodz Poland | |
| RT | Belchatow Mine |
| Belchatow Poland | |
| Widawka Basin | |
| SN | Province and city in central Poland. |
| loellingite | |
|---|---|
| USE | lollingite |
| loess | |
|---|---|
| BT | sediments |
| .clastic sediments | |
| ..loess | |
| UF | lehm |
| RT | geomorphology |
| silt | |
| soil mechanics | |
| terrigenous materials | |
| marl | |
| eolian features | |
| deflation | |
| drift | |
| loam | |
| Loess Plateau | |
|---|---|
| BT | Asia |
| .Far East | |
| ..China | |
| ...Loess Plateau | |
| UF | Huangtu Plateau |
| RT | Shanxi China |
| Gansu China | |
| Shaanxi China | |
| SN | Restricted to location in central China. Before 1995, search in combination with China. Indexed with Shanxi China and/or Shaanxi China and/or Gansu China as applicable. Added to Thesaurus in 1995. |
| Lofoten Islands | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Scandinavia | |
| ...Norway | |
| ....Nordland Norway | |
| .....Lofoten Islands | |
| RT | Atlantic Ocean Islands |
| SN | Island group in Norwegian Sea off NW mainland. Also search Lofoten. |
| log, road | |
|---|---|
| USE | road log |
| Logan County Arkansas | |
|---|---|
| BT | United States |
| .Arkansas | |
| ..Logan County Arkansas | |
| SN | W Arkansas. |
| Logan County Colorado | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Logan County Colorado | |
| SN | NE Colorado. |
| Logan County Illinois | |
|---|---|
| BT | United States |
| .Illinois | |
| ..Logan County Illinois | |
| SN | Central Illinois. |
| Logan County Kansas | |
|---|---|
| BT | United States |
| .Kansas | |
| ..Logan County Kansas | |
| SN | W Kansas. |
| Logan County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Logan County Kentucky | |
| SN | S Kentucky. |
| Logan County Nebraska | |
|---|---|
| BT | United States |
| .Nebraska | |
| ..Logan County Nebraska | |
| SN | Central Nebraska. |
| Logan County North Dakota | |
|---|---|
| BT | United States |
| .North Dakota | |
| ..Logan County North Dakota | |
| SN | S North Dakota. |
| Logan County Ohio | |
|---|---|
| BT | United States |
| .Ohio | |
| ..Logan County Ohio | |
| SN | W central Ohio. |
| Logan County Oklahoma | |
|---|---|
| BT | United States |
| .Oklahoma | |
| ..Logan County Oklahoma | |
| SN | Central Oklahoma. |
| Logan County West Virginia | |
|---|---|
| BT | United States |
| .West Virginia | |
| ..Logan County West Virginia | |
| SN | SW West Virginia. |
| Logan Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Mississippian | |
| .....Logan Formation | |
| RT | Kentucky |
| Ohio | |
| SN | Comprises Beyer, Allensville, and Vinton members. NE Kentucky, and Ohio. |
| Logar Afghanistan | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..Afghanistan | |
| ...Logar Afghanistan | |
| SN | Use for the province in E Afghanistan. |
| logging | |
|---|---|
| SN | Not a valid term for GeoRef. See well-logging or for specific types see acoustical logging, caliper logging, dipmeter logging, electrical logging, electromagnetic logging, geochemical logging, gravity logging, magnetic logging, seismic logging, or tempera |
| Logone River | |
|---|---|
| BT | Africa |
| .West Africa | |
| ..Logone River | |
| RT | Cameroon |
| Chad | |
| SN | Flows into the Shari River at Fort Lamy in Chad S of Lake Chad. Also search Logone. Indexed with countries as applicable. |
| Logrono City Spain | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....La Rioja Spain | |
| .....Logrono City Spain | |
| SN | Refers to only the city in N central Spain. Before 1993, also search Logrono Spain. |
| Logrono Spain | |
|---|---|
| SN | No longer a valid term for GeoRef. As of 1998, see the province, La Rioja Spain or the city, Logrono City Spain. |
| Logudoro | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Sardinia Italy | |
| ....Logudoro | |
| SN | Region in NW Italy. |
| Loihi Seamount | |
|---|---|
| BT | Pacific Ocean |
| .North Pacific | |
| ..Northeast Pacific | |
| ...Loihi Seamount | |
| RT | Hawaii Island |
| SN | N central Pacific Ocean, S of Hawaii. This term has multiple hierarchies. Added to Thesaurus in 1985. |
| Loir-et-Cher France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Loir-et-Cher France | |
| RT | Beauce |
| SN | Department in W central France. |
| Loire France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Loire France | |
| NT | Saint-Etienne coal basin |
| RT | Monts du Lyonnais |
| SN | Department in S central France. |
| Loire River | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Loire River | |
| SN | Longest river in France. Rises in Ardeche Department in SE and flows N and NE into Loiret Department where it turns E emptying into the Bay of Biscay at Saint-Nazaire. |
| Loire Valley | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Loire Valley | |
| SN | River valley in S central, central, and E central France. |
| Loire-Atlantique France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Loire-Atlantique France | |
| NT | Ancenis France |
| Nantes France | |
| UF | Loire-Inferieure |
| RT | Bay of Bourgneuf |
| SN | Department in W France. Also search Loire-Inferieure. |
| Loire-Inferieure | |
|---|---|
| USE | Loire-Atlantique France |
| Loiret France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Loiret France | |
| NT | Orleans France |
| SN | Department in N central France. |
| lollingite | |
|---|---|
| BT | arsenides |
| .lollingite | |
| UF | loellingite |
| RT | arsenopyrite |
| Lom Depression | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Bulgaria | |
| ...Vidin Bulgaria | |
| ....Lom Depression | |
| SN | In vicinity of Lom River and city of Lom in NW Bulgaria. |
| Loma Prieta earthquake 1989 | |
|---|---|
| BT | earthquakes |
| .Loma Prieta earthquake 1989 | |
| RT | California |
| San Francisco Bay region | |
| Santa Cruz California | |
| Santa Cruz County California | |
| SN | Santa Cruz County, W California. Added to Thesaurus in 1993. |
| Lombardy Italy | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Lombardy Italy | |
| NT | Adamello Massif |
| Bergamo Italy | |
| Brescia Italy | |
| Como | |
| Como Italy | |
| Milan Italy | |
| Pavia Italy | |
| Sondrio Italy | |
| Trompia Valley | |
| Valtellina | |
| Varese Italy | |
| RT | Rhaetian Alps |
| Sesia-Lanzo Zone | |
| Bergell Massif | |
| Maiolica Limestone | |
| Po River | |
| Po Valley | |
| Lago Maggiore | |
| Ticino River | |
| SN | Autonomous region in N Italy. |
| Lome Convention | |
|---|---|
| RT | economics |
| SN | Usually out-of-scope for GeoRef. Added to Thesaurus in 1981. |
| lomonite | |
|---|---|
| USE | laumontite |
| Lomonosov Range | |
|---|---|
| USE | Lomonosov Ridge |
| Lomonosov Ridge | |
|---|---|
| BT | Arctic Ocean |
| .Lomonosov Ridge | |
| UF | Lomonosov Range |
| RT | Amerasia Basin |
| Makarov Basin | |
| SN | N of New Siberian Islands across top of world to N of Greenland. |
| lomontite | |
|---|---|
| USE | laumontite |
| Lompoc California | |
|---|---|
| BT | United States |
| .California | |
| ..Santa Barbara County California | |
| ...Lompoc California | |
| SN | City in SW California. |
| Lonar Crater | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Maharashtra India | |
| ....Lonar Crater | |
| RT | Deccan Plateau |
| impact features | |
| SN | Impact crater in the basalt lava flows of the Deccan Plateau, Maharashtra. Added to Thesaurus in 1981. |
| London Basin | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....England | |
| .....London Basin | |
| SN | SE England. |
| London Clay | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....Ypresian | |
| ......London Clay | |
| RT | England |
| United Kingdom | |
| SN | Rests on Reading, Woolwich, Blackheath or Oldhaven Beds except in Norfolk to the west of Great Yarmouth. Overlain by the Claygate or Bagshot Beds, except in East Anglia. Occupies greater part of a large triangular area in London Basin bounded roughly by l |
| London England | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....England | |
| .....London England | |
| UF | Greater London England |
| RT | Thames Estuary |
| Thames River | |
| SN | City on the Thames River in SE England. As of 1993, also used for the urban county of Greater London. |
| London Metal Exchange | |
|---|---|
| RT | associations |
| economics | |
| SN | Usually out-of-scope for GeoRef. Added to Thesaurus in 1981. |
| Londonderry Northern Ireland | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..United Kingdom | |
| ...Northern Ireland | |
| ....Londonderry Northern Ireland | |
| SN | Traditional county in NW Northern Ireland. Includes the smaller administrative region of the same name adopted after 1973. Also includes the city. |
| Long Beach California | |
|---|---|
| BT | United States |
| .California | |
| ..Los Angeles County California | |
| ...Long Beach California | |
| SN | City in S California. |
| Long County Georgia | |
|---|---|
| BT | United States |
| .Georgia | |
| ..Long County Georgia | |
| Long Duration Ex |
|---|
| Long Duration Exposure Facility | |
|---|---|
| UF | LDEF |
| RT | remote sensing |
| satellite methods | |
| laboratory studies | |
| SN | Abbreviated LDEF. Added to Thesaurus in 1998. |
| Long Island | |
|---|---|
| RT | Atlantic Ocean Islands |
| Bay Park New York | |
| Block Island Sound | |
| Fire Island | |
| Great South Bay | |
| Kings County New York | |
| Narrows | |
| Nassau County New York | |
| New York | |
| Outer Hebrides | |
| Pine Barrens | |
| Queens County New York | |
| Suffolk County New York | |
| SN | Lying between Long Island Sound on N and Atlantic Ocean on S in S New York. Also in various other locations. Indexed with counties or regions as applicable. |
| Long Island Sound | |
|---|---|
| BT | Atlantic Ocean |
| .North Atlantic | |
| ..Long Island Sound | |
| RT | New York |
| Connecticut | |
| Suffolk County New York | |
| SN | Body of water between S shore of Connecticut and N shore of Long Island, New York. |
| long period waves | |
|---|---|
| USE | long-period waves |
| Long Valley | |
|---|---|
| RT | California |
| Inyo County California | |
| Mono County California | |
| Morris County New Jersey | |
| Nevada | |
| New Jersey | |
| New Jersey Highlands | |
| White Pine County Nevada | |
| SN | E California, Mono Lake and Owens Valley area. Also in N central New Jersey. Also in White Pine County, E Nevada. Indexed with counties as applicable. Added to Thesaurus in 1993. |
| Long Valley Caldera | |
|---|---|
| BT | United States |
| .California | |
| ..Mono County California | |
| ...Long Valley Caldera | |
| RT | Casa Diablo |
| Sierra Nevada | |
| Inyo Domes | |
| Obsidian Dome | |
| Mammoth Lakes earthquakes | |
| Mammoth Mountain | |
| SN | S Mono County, E California. Added to Thesaurus in 1985. |
| long-period seismographs | |
|---|---|
| BT | seismographs |
| .long-period seismographs | |
| SN | Added to Thesaurus in 1981. |
| long-period waves | |
|---|---|
| BT | elastic waves |
| .long-period waves | |
| UF | long period waves |
| RT | seismology |
| waves | |
| seismic waves | |
| traveltime | |
| SN | Before 1978, search long period or long-period AND waves. |
| long-wall mining | |
|---|---|
| USE | longwall mining |
| longitudinal | |
|---|---|
| SN | A valid term through 1977. See longitudinal orientation. |
| longitudinal faults | |
|---|---|
| USE | strike faults |
| longitudinal orientation | |
|---|---|
| SN | As of 1981, no longer a valid term for GeoRef. Before 1978, also search longitudinal. |
| longitudinal wave | |
|---|---|
| USE | P-waves |
| longshore bars | |
|---|---|
| BT | bars |
| .longshore bars | |
| UF | barrier bars |
| RT | geomorphology |
| barrier islands | |
| shorelines | |
| barrier beaches | |
| shore features | |
| sand ridges | |
| capes | |
| SN | Indexed with shore features as applicable. |
| longshore currents | |
|---|---|
| BT | currents |
| .ocean currents | |
| ..longshore currents | |
| RT | ocean circulation |
| ocean waves | |
| littoral cells | |
| littoral drift | |
| tidal currents | |
| longshore drift | |
|---|---|
| USE | littoral drift |
| longwall mining | |
|---|---|
| UF | long-wall mining |
| RT | mines |
| mining geology | |
| coal | |
| coal mines | |
| underground mining | |
| SN | Added to Thesaurus in 1985. |
| Lonoke County Arkansas | |
|---|---|
| BT | United States |
| .Arkansas | |
| ..Lonoke County Arkansas | |
| lonsdaleite | |
|---|---|
| BT | native elements |
| .lonsdaleite | |
| RT | meteorites |
| carbon | |
| chaoite | |
| diamond | |
| graphite | |
| SN | Meteorite mineral. |
| Lookingglass Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....Lookingglass Formation | |
| UF | Lookinglass Formation |
| RT | Oregon |
| SN | SW Oregon. Added to Thesaurus in 1985. |
| Lookinglass Formation | |
|---|---|
| USE | Lookingglass Formation |
| loparite | |
|---|---|
| BT | oxides |
| .niobates | |
| ..loparite | |
| Lopez de Bertodano Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Lopez de Bertodano Formation | |
| RT | Antarctica |
| Seymour Island | |
| James Ross Island | |
| SN | James Ross Island, Seymour Island and Cockburn Island, Antarctica. Added to Thesaurus in 1989. |
| Lopingian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Permian | |
| ....Lopingian | |
| NT | Wuchiapigian |
| Changhsingian | |
| lopoliths | |
|---|---|
| BT | intrusions |
| .lopoliths | |
| RT | igneous rocks |
| batholiths | |
| laccoliths | |
| Lorain County Ohio | |
|---|---|
| BT | United States |
| .Ohio | |
| ..Lorain County Ohio | |
| Lord Howe Island | |
|---|---|
| BT | West Pacific Ocean Islands |
| .Lord Howe Island | |
| SN | Volcanic island 435 miles NE of Sydney. Dependency of New South Wales. |
| Lord Howe Rise | |
|---|---|
| BT | Pacific Ocean |
| .South Pacific | |
| ..Southwest Pacific | |
| ...Lord Howe Rise | |
| UF | Lord Howe-Chesterfield Ridge |
| Lord Howe-New Zealand Ridge | |
| Lord Howe-New Zealand Rise | |
| RT | Leg 90 |
| Leg 21 | |
| DSDP Site 207 | |
| DSDP Site 208 | |
| DSDP Site 588 | |
| DSDP Site 589 | |
| DSDP Site 590 | |
| DSDP Site 591 | |
| DSDP Site 592 | |
| SN | Extends from SW of New Caledonia to W of New Zealand. This term has multiple hierarchies. |
| Lord Howe-Chesterfield Ridge | |
|---|---|
| USE | Lord Howe Rise |
| Lord Howe-New Zealand Ridge | |
|---|---|
| USE | Lord Howe Rise |
| Lord Howe-New Zealand Rise | |
|---|---|
| USE | Lord Howe Rise |
| Lorrain Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Proterozoic | |
| ...Lorrain Formation | |
| RT | Ontario |
| Quebec | |
| Huronian | |
| Cobalt Group | |
| SN | Huronian Supergroup of the Cobalt Group. Overlies the Gowganda Formation conformably and gradationally. |
| Lorraine | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Lorraine | |
| RT | Alsace |
| Meurthe-et-Moselle France | |
| Moselle France | |
| Vosges France | |
| SN | Region and former province on Belgium and Luxembourg borders in NE France. Indexed with departments as applicable. |
| Los Alamos County New Mexico | |
|---|---|
| BT | United States |
| .New Mexico | |
| ..Los Alamos County New Mexico | |
| NT | Los Alamos National Laboratory |
| SN | N central New Mexico. |
| Los Alamos National Laboratory | |
|---|---|
| BT | United States |
| .New Mexico | |
| ..Los Alamos County New Mexico | |
| ...Los Alamos National Laboratory | |
| UF | Los Alamos Scientific Laboratory |
| RT | government agencies |
| nuclear facilities | |
| Fenton Hill | |
| University of California | |
| SN | Los Alamos County, 35 miles NW of Santa Fe, in N central New Mexico. |
| Los Alamos Scientific Laboratory | |
|---|---|
| USE | Los Alamos National Laboratory |
| Los Angeles Basin | |
|---|---|
| BT | United States |
| .California | |
| ..Los Angeles Basin | |
| RT | Cajon Pass |
| Wilmington Field | |
| Whittier Narrows earthquake 1987 | |
| SN | Greater Los Angeles area. |
| Los Angeles California | |
|---|---|
| BT | United States |
| .California | |
| ..Los Angeles County California | |
| ...Los Angeles California | |
| RT | Northridge earthquake 1994 |
| SN | City in S California. |
| Los Angeles earthquake 1994 | |
|---|---|
| USE | Northridge earthquake 1994 |
| Los Azufres | |
|---|---|
| BT | Mexico |
| .Michoacan Mexico | |
| ..Los Azufres | |
| RT | geothermal fields |
| SN | Geothermal field. Michoacan, SW Mexico. Added to Thesaurus in 1989. |
| Los Humeros | |
|---|---|
| BT | Mexico |
| .Puebla Mexico | |
| ..Los Humeros | |
| RT | geothermal fields |
| SN | Puebla, S central Mexico. Added to Thesaurus in 1989. |
| Los Islands | |
|---|---|
| BT | Africa |
| .West Africa | |
| ..Guinea | |
| ...Los Islands | |
| UF | Iles de Loos |
| RT | Atlantic Ocean Islands |
| SN | Group of small islands in Atlantic Ocean off Conakry. |
| Los Pedroches Spain | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Andalusia Spain | |
| .....Cordoba Spain | |
| ......Los Pedroches Spain | |
| SN | Region N of city of Cordoba in SW central Spain. |
| Los Testigos | |
|---|---|
| BT | South America |
| .Venezuela | |
| ..Venezuelan Islands | |
| ...Los Testigos | |
| BT | South America |
| .Venezuela | |
| ..Nueva Esparta Venezuela | |
| ...Los Testigos | |
| RT | Caribbean Sea |
| Caribbean region | |
| SN | Small group of islands SW of Grenada and N of Sucre, Venezuela. This term has multiple hierarchies. |
| Lost Burro Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Lost Burro Formation | |
| RT | California |
| SN | Middle and Upper Devonian. Includes Lippincott Member, Quartz Spring Sandstone Member. S California. |
| Lost City | |
|---|---|
| RT | Clark County Nevada |
| Lake Mead | |
| SN | Ancient Indian city now covered by Lake Mead. Relics now housed in Overton in Clark County 5 miles N of original location in S Nevada. Indexed with county or regions as applicable. |
| Lost River Fault | |
|---|---|
| BT | United States |
| .Idaho | |
| ..Lost River Fault | |
| RT | Custer County Idaho |
| Butte County Idaho | |
| SN | E central Idaho. Indexed with counties as applicable. Added to Thesaurus in 1989. |
| Lost River Range | |
|---|---|
| BT | United States |
| .Idaho | |
| ..Lost River Range | |
| NT | Borah Peak |
| RT | Custer County Idaho |
| Butte County Idaho | |
| SN | E central Idaho, in Butte and Custer counties. Indexed with counties as applicable. Added to Thesaurus in 1989. |
| Lost Soldier Field | |
|---|---|
| BT | United States |
| .Wyoming | |
| ..Lost Soldier Field | |
| RT | oil and gas fields |
| Fremont County Wyoming | |
| Carbon County Wyoming | |
| Sweetwater County Wyoming | |
| SN | Indexed with counties as applicable. Added to Thesaurus in 1989. |
| lostei | |
|---|---|
| NT | Amiidae |
| Halecostomi | |
| Lot France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Lot France | |
| RT | Quercy |
| SN | Department in S central France. |
| Lot-et-Garonne France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Lot-et-Garonne France | |
| NT | Durance France |
| SN | Department in SW France. |
| Lotbiniere County Quebec | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...Lotbiniere County Quebec | |
| Lotharingian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....Lower Jurassic | |
| .....Lotharingian | |
| SN | Europe. Above Sinemurian, below Pliensbachian. |
| Lothian region Scotland | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....Scotland | |
| .....Lothian region Scotland | |
| NT | East Lothian Scotland |
| Edinburgh Scotland | |
| RT | Tyne River |
| Midlothian Scotland | |
| SN | Administrative region in SE Scotland created from East Lothian (formerly Haddingtonshire), and parts of West Lothian and Midlothian in 1975. |
| Louann |
|---|
| Louann Salt | |
|---|---|
| UF | Louann Tongue |
| RT | Triassic |
| Jurassic | |
| Permian | |
| Louisiana | |
| Texas | |
| Arkansas | |
| Permian-Triassic boundary | |
| salt tectonics | |
| SN | Indexed with age or ages as applicable. Added to Thesaurus in 1985. |
| Louann Tongue | |
|---|---|
| USE | Louann Salt |
| Loudon County Tennessee | |
|---|---|
| BT | United States |
| .Tennessee | |
| ..Loudon County Tennessee | |
| Loudoun County Virginia | |
|---|---|
| BT | United States |
| .Virginia | |
| ..Loudoun County Virginia | |
| Louisa County Iowa | |
|---|---|
| BT | United States |
| .Iowa | |
| ..Louisa County Iowa | |
| Louisa County Virginia | |
|---|---|
| BT | United States |
| .Virginia | |
| ..Louisa County Virginia | |
| Louisiade Archipelago | |
|---|---|
| BT | Australasia |
| .Papua New Guinea | |
| ..Louisiade Archipelago | |
| RT | West Pacific Ocean Islands |
| SN | Island group in Solomon Sea SE of E tip of New Guinea. |
| Louisville Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Jefferson County Kentucky | |
| ...Louisville Kentucky | |
| SN | City on the Ohio River in N Kentucky. |
| Louisville Ridge | |
|---|---|
| BT | Pacific Ocean |
| .South Pacific | |
| ..Southeast Pacific | |
| ...Louisville Ridge | |
| SN | SE Pacific. This term has multiple hierarchies. Added to Thesaurus in 1989. |
| Loup County Nebraska | |
|---|---|
| BT | United States |
| .Nebraska | |
| ..Loup County Nebraska | |
| Loup Fork Gro |
|---|
| Loup Fork Group | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Loup Fork Group | |
| RT | Pliocene |
| Pleistocene | |
| Miocene | |
| New Mexico | |
| Wyoming | |
| Colorado | |
| Nebraska | |
| Texas | |
| Kansas | |
| South Dakota | |
| SN | Miocene, Pliocene, and Pleistocene(?). Indexed with ages as applicable. |
| Lourdes France | |
|---|---|
| BT | utes-Pyrenees France |
| .Lourdes France | |
| SN | Town in SW France. |
| Louvain Belgium | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Belgium | |
| ...Brabant Belgium | |
| ....Louvain Belgium | |
| UF | Leuven Belgium |
| SN | City E of Brussels in central Belgium. |
| Love County Oklahoma | |
|---|---|
| BT | United States |
| .Oklahoma | |
| ..Love County Oklahoma | |
| Love w |
|---|
| Love waves | |
|---|---|
| BT | elastic waves |
| .seismic waves | |
| ..surface waves | |
| ...Love waves | |
| UF | Q waves |
| RT | seismology |
| waves | |
| Lg-waves | |
| Loveland Colorado | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Larimer County Colorado | |
| ...Loveland Colorado | |
| SN | City in N Colorado. |
| Loveland Loess | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Loveland Loess | |
| RT | Iowa |
| Kentucky | |
| Colorado | |
| Illinois | |
| Indiana | |
| Mississippi | |
| Nebraska | |
| Kansas | |
| Tennessee | |
| South Dakota | |
| Arkansas | |
| SN | May be in Sanborn Group. Arkansas, Colorado, Illinois, Indiana, Iowa, Kansas, Kentucky, Mississippi, Nebraska, South Dakota, and Tennessee. Added to Thesaurus in 1995. |
| Lovelock Nevada | |
|---|---|
| BT | United States |
| .Nevada | |
| ..Pershing County Nevada | |
| ...Lovelock Nevada | |
| SN | City in NW Nevada. |
| Loving County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Loving County Texas | |
| Lovozero Massif | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Murmansk Russian Federation | |
| ...Lovozero Massif | |
| RT | Kola Peninsula |
| SN | Murmansk Oblast on the Kola Peninsula in NW European Russian Federation. This term has multiple hierarchies. |
| Lovozero Russian Federation | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Murmansk Russian Federation | |
| ...Lovozero Russian Federation | |
| RT | Ilimaussaq |
| SN | Village in Murmansk Oblast on Kola Peninsula in NW Russian Federation. Before 1993, Lovozero Russian Republic was also used. This term has multiple hierarchies. |
| Low Archipelago | |
|---|---|
| USE | Tuamotu Islands |
| Low Jesenik Mountains | |
|---|---|
| USE | Nizky Jezenik Mountains |
| low pressure | |
|---|---|
| BT | pressure |
| .low pressure | |
| RT | metamorphism |
| high pressure | |
| phase equilibria | |
| low quartz | |
|---|---|
| USE | alpha quartz |
| low stands | |
|---|---|
| USE | lowstands |
| Low Tatra | |
|---|---|
| USE | Low Tatra Mountains |
| Low Tatra Mountains | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Slovakia | |
| ...Slovakian Carpathians | |
| ....Low Tatra Mountains | |
| UF | Low Tatra |
| Low Tatras | |
| Lower Tatra | |
| Nizke Tatra | |
| RT | Tatra Mountains |
| SN | Section of the Carpathians parallel to and S of the Tatra Mountains in N central Slovakia. This term has multiple hierarchies. |
| Low Tatras | |
|---|---|
| USE | Low Tatra Mountains |
| low temperature | |
|---|---|
| BT | temperature |
| .low temperature | |
| UF | low-temperature analysis |
| RT | metamorphism |
| phase equilibria | |
| low velocity zones | |
|---|---|
| USE | low-velocity zones |
| low water | |
|---|---|
| UF | low-water levels |
| RT | ground water |
| water | |
| hydrology | |
| rivers and streams | |
| levels | |
| drawdown | |
| tides | |
| water content | |
| SN | Added to Thesaurus in 1981. |
| low-angle faults | |
|---|---|
| BT | faults |
| .low-angle faults | |
| RT | high-angle faults |
| SN | Before 1978, search faults AND low-angle. |
| low-energy environment | |
|---|---|
| RT | depositional environment |
| high-energy environment | |
| sedimentation | |
| SN | Before 1978, search low-energy. |
| low-grade | |
|---|---|
| SN | A valid term through 1977. After 1977, use low-grade metamorphism. |
| low-grade metamorphism | |
|---|---|
| BT | metamorphism |
| .low-grade metamorphism | |
| RT | grade |
| epizonal metamorphism | |
| SN | Before 1978, search low-grade AND metamorphism. |
| low-level geothermal energy | |
|---|---|
| RT | geothermal energy |
| SN | Added to Thesaurus in 1985. |
| low-level waste | |
|---|---|
| RT | high-level waste |
| radioactive waste | |
| underground storage | |
| waste disposal | |
| SN | Added to Thesaurus in 1985. |
| low-temperature analysis | |
|---|---|
| USE | low temperature |
| low-velocity layer | |
|---|---|
| SN | As of 1981, no longer a valid term for GeoRef. Use low-velocity zones. |
| low-velocity layers | |
|---|---|
| USE | low-velocity zones |
| low-velocity zones | |
|---|---|
| UF | low velocity zones |
| low-velocity layers | |
| zones, low-velocity | |
| RT | mantle |
| seismology | |
| crust | |
| velocity structure | |
| SN | General term, i.e. applicable to crust, mantle, etc. |
| low-water levels | |
|---|---|
| USE | low water |
| lower Archean | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Archean | |
| ...lower Archean | |
| SN | Added to Thesaurus in 1985. |
| Lower Austria | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Austria | |
| ...Lower Austria | |
| NT | Bad Deutsch Altenburg Austria |
| Eichkogel | |
| Kamp Valley | |
| Krems Austria | |
| Schwechat Valley | |
| Spitz Austria | |
| Vienna Austria | |
| Wiener Wald | |
| RT | Wechsel |
| Enns Valley | |
| North Austrian Crystallines | |
| Semmering | |
| Ybbsitz Meteorite | |
| SN | State in NE Austria. |
| lower Badenian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Miocene | |
| .....Badenian | |
| ......lower Badenian | |
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Miocene | |
| .....lower Miocene | |
| ......lower Badenian | |
| SN | This term has multiple hierarchies. |
| lower boundary | |
|---|---|
| SN | A valid general term through 1976. For stratigraphic meaning use stratigraphic boundary; for biostratigraphy, see first occurrence. |
| Lower Carboniferous | |
|---|---|
| USE | Dinantian |
| lower Cenomanian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Cenomanian | |
| ......lower Cenomanian | |
| SN | Added to Thesaurus in 1985. |
| lower Cenozoic | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...lower Cenozoic | |
| RT | Skagit Gneiss |
| lower crust | |
|---|---|
| BT | crust |
| .lower crust | |
| RT | upper mantle |
| asthenosphere | |
| lithosphere | |
| basaltic layer | |
| granitic layer | |
| middle crust | |
| crustal thickening | |
| upper crust | |
| lower Gondwana | |
|---|---|
| USE | lower Gondwana System |
| lower Gondwana System | |
|---|---|
| BT | Gondwana System |
| .lower Gondwana System | |
| UF | lower Gondwana |
| RT | Mesozoic |
| Triassic | |
| Paleozoic | |
| Carboniferous | |
| Permian | |
| Gondwana | |
| upper Gondwana System | |
| Upper Carboniferous | |
| SN | Peninsular India. Indexed with age as applicable. Added to Thesaurus in 1985. |
| Lower Greensand | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Lower Greensand | |
| RT | England |
| United Kingdom | |
| SN | Aptian and lower Albian. |
| lower Holocene | |
|---|---|
| BT | locene |
| .lower Holocene | |
| RT | Baltic Glaciation |
| Clovis | |
| lower Liassic | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....Lower Jurassic | |
| .....lower Liassic | |
| NT | Hettangian |
| Sinemurian | |
| SN | Added to Thesaurus in 1981. |
| Lower Lusatia | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Lower Lusatia | |
| RT | Lusatia |
| SN | That part of Lusatia between the Neisse and the Bober rivers in SW Poland. |
| lower Maastrichtian | |
|---|---|
| USE | lower Maestrichtian |
| lower Maestrichtian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Senonian | |
| ......Maestrichtian | |
| .......lower Maestrichtian | |
| UF | lower Maastrichtian |
| lower mantle |
|---|
| lower Mesozoic | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...lower Mesozoic | |
| RT | Monashee Complex |
| Shuswap Complex | |
| Lower Mississippi Valley | |
|---|---|
| BT | United States |
| .Mississippi Valley | |
| ..Lower Mississippi Valley | |
| lower Neogene | |
|---|---|
| USE | Miocene |
| lower Oligocene | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Oligocene | |
| .....lower Oligocene | |
| NT | Rupelian |
| Sannoisian | |
| Stampian | |
| RT | upper Oligocene |
| White River Group | |
| Brule Formation | |
| middle Oligocene | |
| Chadron Formation | |
| lower Paleocene | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Paleocene | |
| .....lower Paleocene | |
| NT | Danian |
| K-T boundary | |
| Puercan | |
| Torrejonian | |
| RT | Difunta Group |
| upper Paleocene | |
| lower Paleogene | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....lower Paleogene | |
| RT | Paleocene |
| Eocene | |
| SN | Added to Thesaurus in 1985. |
| Lower Peninsula, Michigan | |
|---|---|
| USE | Michigan Lower Peninsula |
| lower Precambrian | |
|---|---|
| USE | Archean |
| lower Proterozoic | |
|---|---|
| USE | Paleoproterozoic |
| lower Quaternary | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quaternary | |
| ....lower Quaternary | |
| Lower Rhine Basin | |
|---|---|
| BT | Europe |
| .Lower Rhine Basin | |
| RT | Germany |
| Netherlands | |
| Rhine Basin | |
| Rhine Valley | |
| SN | That section of the Rhine Basin between Bonn and the North Sea; in the Netherlands it includes the basins of the Lower Rhine, Lek, and Waal rivers. Also search Lower Rhine. Indexed with countries as applicable. |
| Lower Rhine Graben | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Rhine Graben | |
| ...Lower Rhine Graben | |
| Lower Silesia | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Lower Silesia | |
| RT | Izera Mountains |
| Snieznik | |
| Silesia | |
| Silesian coal basin | |
| Polkowice Poland | |
| Strzegom-Sobotka Massif | |
| Upper Silesia | |
| SN | Most of former German Silesia which became part of Poland following World War II. It lies on both sides of the upper Oder River centering on Wroclaw with Czech Republic and the Neisse River constituting the SE and E borders respectively. |
| Lower Tatra | |
|---|---|
| USE | Low Tatra Mountains |
| lower Tertiary | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Tertiary | |
| ....lower Tertiary | |
| NT | Kiev Member |
| Taishu Group | |
| RT | Paleogene |
| upper Tertiary | |
| Bauru Formation | |
| Dakhla Shale | |
| middle Tertiary | |
| lower Toarcian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....Lower Jurassic | |
| .....Toarcian | |
| ......lower Toarcian | |
| SN | Added to Thesaurus in 1995. |
| Lower Tunguska River | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Lower Tunguska River | |
| BT | Asia |
| .Lower Tunguska River | |
| RT | Tunguska |
| Tunguska River | |
| SN | Rises in N central Irkutsk Oblast and flows N crossing into Evenk National Okrug then W into the Yenisei River at Turukhansk. This term has multiple hierarchies. |
| lower Turonian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Turonian | |
| ......lower Turonian | |
| SN | Added to Thesaurus in 1989. |
| Lower Zaire Congo Democratic Republic | |
|---|---|
| BT | Africa |
| .Central Africa | |
| ..Congo Democratic Republic | |
| ...Lower Zaire Congo Democratic Republic | |
| NT | Matadi Congo Democratic Republic |
| UF | Bas-Zaire Congo Democratic Republic |
| RT | Congo River |
| SN | The province of Bas-Zaire in W. Before 1998, Lower Zaire was also used. |
| Lowicz Poland | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Lowicz Poland | |
| SN | Town in Skierniewice Province, central Poland. |
| lowlands | |
|---|---|
| USE | plains |
| Lowndes County Alabama | |
|---|---|
| BT | United States |
| .Alabama | |
| ..Lowndes County Alabama | |
| SN | S Central Alabama. |
| Lowndes County Georgia | |
|---|---|
| BT | United States |
| .Georgia | |
| ..Lowndes County Georgia | |
| Lowndes County Mississippi | |
|---|---|
| BT | United States |
| .Mississippi | |
| ..Lowndes County Mississippi | |
| NT | Columbus Air Force Base |
| SN | NE Mississippi. |
| lowstands | |
|---|---|
| UF | low stands |
| RT | lacustrine environment |
| levels | |
| sea-level changes | |
| sequence stratigraphy | |
| emergent coastlines | |
| regression | |
| Loxoconcha | |
|---|---|
| BT | Invertebrata |
| .Arthropoda | |
| ..Mandibulata | |
| ...Crustacea | |
| ....Ostracoda | |
| .....Podocopida | |
| ......Cytherocopina | |
| .......Cytheracea | |
| ........Loxoconcha | |
| SN | This term has multiple hierarchies. |
| Loyalty Islands | |
|---|---|
| BT | West Pacific Ocean Islands |
| .Loyalty Islands | |
| SN | Island group 60 miles E of New Caledonia belonging to France. |
| Lozere France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Lozere France | |
| RT | Aigoual Massif |
| SN | Department in S France. |
| Lr | |
|---|---|
| USE | lawrencium |
| Lu | |
|---|---|
| USE | lutetium |
| Lu/Hf | |
|---|---|
| UF | Hf/Lu |
| RT | absolute age |
| isotope ratios | |
| hafnium | |
| lutetium | |
| SN | Isotopic ratio used in age determination. |
| Luanda Angola | |
|---|---|
| BT | Africa |
| .Central Africa | |
| ..Angola | |
| ...Luanda Angola | |
| UF | Loanda Angola |
| SN | District including the city in NW Angola. |
| Lubbock County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Lubbock County Texas | |
| NT | Lubbock Lake |
| Lubbock Texas | |
| SN | NW Texas. |
| Lubbock Lake | |
|---|---|
| BT | United States |
| .Texas | |
| ..Lubbock County Texas | |
| ...Lubbock Lake | |
| RT | archaeology |
| SN | Archaeological site in W Texas. Added to Thesaurus in 1989. |
| Lubbock Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Lubbock County Texas | |
| ...Lubbock Texas | |
| SN | City in NW Texas. |
| Luben Poland | |
|---|---|
| USE | Lubin Poland |
| Lubin Legnicki | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Lubin Legnicki | |
| RT | Lubin Poland |
| SN | Region in and around cities of Lubin and Legnica in SW Poland. |
| Lubin Poland | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Lubin Poland | |
| UF | Luben Poland |
| RT | Lubin Legnicki |
| SN | City in central Legnica, SW Poland. |
| Lublin Poland | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Lublin Poland | |
| NT | Lublin Upland |
| Lukow Poland | |
| SN | Province and city in E Poland. |
| Lublin Upland | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Lublin Poland | |
| ....Lublin Upland | |
| SN | SW Lublin. |
| Lucania | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Lucania | |
| RT | Basilicata Italy |
| Irpinia earthquake 1980 | |
| Campania Italy | |
| Salerno Italy | |
| SN | Ancient district in S including Basilicata autonomous region and part of Salerno Province of Campania. Indexed with autonomous regions as applicable. |
| Lucas County Iowa | |
|---|---|
| BT | United States |
| .Iowa | |
| ..Lucas County Iowa | |
| SN | S Iowa. |
| Lucas County Ohio | |
|---|---|
| BT | United States |
| .Ohio | |
| ..Lucas County Ohio | |
| NT | Toledo Ohio |
| RT | Ottawa River |
| SN | NW Ohio. |
| Lucas Formation | |
|---|---|
| RT | Cretaceous |
| Cuba | |
| Detroit River Group | |
| Michigan | |
| Middle Devonian | |
| Ohio | |
| Ontario | |
| SN | In Detroit River Group. Ohio, SE Michigan and Ontario. Includes Richfield Member. Also a Cretaceous formation in Cuba. Indexed with ages as applicable. Added to Thesaurus in 1989. |
| Lucca Italy | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Tuscany Italy | |
| ....Lucca Italy | |
| SN | City and province in central Italy. |
| Luce County Michigan | |
|---|---|
| BT | United States |
| .Michigan | |
| ..Michigan Upper Peninsula | |
| ...Luce County Michigan | |
| Lucern Switzerland | |
|---|---|
| USE | Lucerne Switzerland |
| Lucerne Switzerland | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Switzerland | |
| ...Lucerne Switzerland | |
| UF | Lucern Switzerland |
| SN | Canton in N central Switzerland. Also a city. |
| Lucinidae | |
|---|---|
| BT | Invertebrata |
| .Mollusca | |
| ..Bivalvia | |
| ...Lucinidae | |
| SN | Family. |
| Luderitz Namibia | |
|---|---|
| BT | Africa |
| .Southern Africa | |
| ..Namibia | |
| ...Luderitz Namibia | |
| SN | Town in SW Namibia. Formerly Angra Pequena. |
| Ludfordian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Silurian | |
| ....Ludlow | |
| .....Ludfordian | |
| Ludian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....upper Eocene | |
| ......Ludian | |
| RT | Priabonian |
| SN | Europe. Above Bartonian, below Tongrian (Oligocene). |
| Ludlovian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Silurian | |
| ....Upper Silurian | |
| .....Ludlovian | |
| SN | Europe. Above Wenlockian, below Gedinnian (Devonian). |
| Ludlow | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Silurian | |
| ....Ludlow | |
| NT | Gorstian |
| Ludfordian | |
| Ludlow Member | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Paleocene | |
| .....Ludlow Member | |
| RT | Montana |
| North Dakota | |
| South Dakota | |
| Fort Union Formation | |
| SN | In Fort Union Formation. NW and N South Dakota, NE Montana and SW North Dakota. Added to Thesaurus in 1989. |
| Ludlowville Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Middle Devonian | |
| .....Ludlowville Formation | |
| RT | New York |
| Hamilton Group | |
| SN | In Hamilton Group. W and central New York. Includes Ledyard Shale Member; Wanakah Member. Added to Thesaurus in 1989. |
| ludwigite | |
|---|---|
| BT | borates |
| .ludwigite | |
| Lufeng China | |
|---|---|
| BT | Asia |
| .Far East | |
| ..China | |
| ...Yunnan China | |
| ....Lufeng China | |
| SN | Town in central Yunnan, SW China. |
| Lugo Spain | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Galicia Spain | |
| .....Lugo Spain | |
| SN | Province in NW Spain. |
| Luisian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Miocene | |
| .....middle Miocene | |
| ......Luisian | |
| SN | North America. Middle Miocene, above Relizian and below Mohnian. Added to Thesaurus in 1985. |
| lujavrite | |
|---|---|
| BT | igneous rocks |
| .plutonic rocks | |
| ..syenites | |
| ...lujavrite | |
| RT | nepheline syenite |
| Lukov Poland | |
|---|---|
| USE | Lukow Poland |
| Lukow Poland | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Lublin Poland | |
| ....Lukow Poland | |
| UF | Lukov Poland |
| SN | Town in E Poland. |
| Lukuga River valley | |
|---|---|
| BT | Africa |
| .Central Africa | |
| ..Congo Democratic Republic | |
| ...Shaba Congo Democratic Republic | |
| ....Lukuga River valley | |
| SN | E Congo Democratic Republic. |
| luminance | |
|---|---|
| USE | brightness |
| luminescence analysis | |
|---|---|
| USE | fluorimetry |
| Lumpkin County Georgia | |
|---|---|
| BT | United States |
| .Georgia | |
| ..Lumpkin County Georgia | |
| Luna 16 | |
|---|---|
| BT | Luna Program |
| .Luna 16 | |
| RT | Moon |
| remote sensing | |
| Luna 20 | |
|---|---|
| BT | Luna Program |
| .Luna 20 | |
| RT | Moon |
| remote sensing | |
| Luna 24 | |
|---|---|
| BT | Luna Program |
| .Luna 24 | |
| RT | Moon |
| remote sensing | |
| SN | Added to Thesaurus in 1981. |
| Luna 9 | |
|---|---|
| BT | Luna Program |
| .Luna 9 | |
| RT | Moon |
| remote sensing | |
| SN | Added to Thesaurus in 1989. |
| Luna County New Mexico | |
|---|---|
| BT | United States |
| .New Mexico | |
| ..Luna County New Mexico | |
| NT | Florida Mountains |
| SN | SW New Mexico. |
| Luna Program | |
|---|---|
| NT | Luna 16 |
| Luna 20 | |
| Luna 24 | |
| Luna 9 | |
| RT | extraterrestrial geology |
| Moon | |
| planetology | |
| remote sensing | |
| SN | Added to Thesaurus in 1981. |
| Lunae Planum | |
|---|---|
| BT | Mars |
| .Lunae Planum | |
| RT | Kasei Vallis |
| SN | Large plateau on Mars. Added to Thesaurus in 1985. |
| lunar bases | |
|---|---|
| RT | exploration |
| extraterrestrial geology | |
| landing sites | |
| Moon | |
| observations | |
| SN | Added to Thesaurus in 1989. |
| lunar breccia | |
|---|---|
| RT | breccia |
| lunar samples | |
| Moon | |
| SN | Before 1981, also search Moon AND breccia. Added to Thesaurus in 1981. |
| lunar craters | |
|---|---|
| RT | craters |
| Moon | |
| wrinkle ridges | |
| SN | Before 1981, search Moon AND craters. Added to Thesaurus in 1981. |
| lunar crust | |
|---|---|
| RT | crust |
| lunar samples | |
| Moon | |
| SN | Before 1981, also search Moon AND crust. Added to Thesaurus in 1981. |
| lunar highlands | |
|---|---|
| RT | highlands |
| Moon | |
| wrinkle ridges | |
| SN | Also search highlands AND Moon. Added to Thesaurus in 1993. |
| lunar interior | |
|---|---|
| RT | interior |
| Moon | |
| planetary interiors | |
| SN | Before 1981, also search Moon AND interior. Added to Thesaurus in 1981. |
| lunar laser ranging | |
|---|---|
| RT | geodesy |
| geophysical methods | |
| geophysical surveys | |
| laser methods | |
| laser ranging | |
| Moon | |
| remote sensing | |
| SN | Before 1993, also search laser ranging. Added to Thesaurus in 1993. |
| lunar mantle | |
|---|---|
| RT | mantle |
| Moon | |
| SN | Before 1981, also search Moon AND mantle. Added to Thesaurus in 1981. |
| lunar meteorites | |
|---|---|
| BT | meteorites |
| .stony meteorites | |
| ..achondrites | |
| ...lunar meteorites | |
| RT | Moon |
| Elephant Moraine Meteorites | |
| Allan Hills Meteorites | |
| ALHA 81005 | |
| EET 87521 | |
| MAC 88104 | |
| MAC 88105 | |
| MacAlpine Hills Meteorites | |
| Queen Alexandra Range Meteorites | |
| SN | Meteorites which are thought to originate from the Moon. Before 1995, also search meteorites AND Moon. Also index Moon. Added to Thesaurus in 1995. |
| lunar rocks | |
|---|---|
| USE | lunar samples |
| lunar samples | |
|---|---|
| UF | lunar rocks |
| RT | Moon |
| lunar breccia | |
| samples | |
| lunar soils | |
| lunar crust | |
| lunar soils | |
|---|---|
| RT | fine-grained materials |
| lunar samples | |
| Moon | |
| soils | |
| SN | Before 1981, also search Moon AND soils. |
| Lund Sweden | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Scandinavia | |
| ...Sweden | |
| ....Malmohus Sweden | |
| .....Lund Sweden | |
| SN | City in extreme S Sweden. |
| Lunenburg County Nova Scotia | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Maritime Provinces | |
| ...Nova Scotia | |
| ....Lunenburg County Nova Scotia | |
| Lunenburg County Virginia | |
|---|---|
| BT | United States |
| .Virginia | |
| ..Lunenburg County Virginia | |
| Luning Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Triassic | |
| ....Upper Triassic | |
| .....Luning Formation | |
| RT | Nevada |
| SN | SW Nevada. Added to Thesaurus in 1985. |
| Luoquan Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Luoquan Formation | |
| RT | China |
| Henan China | |
| Sichuan China | |
| Shaanxi China | |
| Yunnan China | |
| SN | Located in Henan, Shaanxi, Sichuan and Yunnan provinces. Added to Thesaurus in 1989. |
| Lupin Mine | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Mackenzie District Northwest Territories | |
| ...Lupin Mine | |
| RT | mines |
| gold ores | |
| SN | Gold ores. E Mackenzie District, Northwest Territories. This term has multiple hierarchies. Added to Thesaurus in 1989. |
| Lusaka Zambia | |
|---|---|
| BT | Africa |
| .East Africa | |
| ..Zambia | |
| ...Lusaka Zambia | |
| SN | City in central Zambia. |
| Lusatia | |
|---|---|
| BT | Europe |
| .Lusatia | |
| UF | Lausitz |
| RT | Germany |
| Poland | |
| Upper Lusatia | |
| Lower Lusatia | |
| SN | Region in E Germany, and in SW Poland. It comprises both Lower Lusatia and Upper Lusatia. Indexed with countries as applicable. |
| Lush's Bight Group | |
|---|---|
| USE | Lushs Bight Group |
| Lushs Bight Group | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Ordovician | |
| ....Lushs Bight Group | |
| UF | Lush's Bight Group |
| RT | Newfoundland Island |
| Lusitanian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....Upper Jurassic | |
| .....Lusitanian | |
| RT | Malm |
| Rauracian | |
| SN | Europe. Above Oxfordian, below Kimmeridgian. |
| LUST | |
|---|---|
| USE | leaking underground storage tanks |
| Lut Desert | |
|---|---|
| BT | Asia |
| .Middle East | |
| ..Iran | |
| ...Lut Desert | |
| UF | Dasht-e-Lut Basin |
| Dasht-i-Lut | |
| SN | Great sandy and stony desert in E central Iran. |
| Lutetian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....Lutetian | |
| SN | Europe. Above Cuisian, below Auversian. |
| lutetium | |
|---|---|
| BT | metals |
| .rare earths | |
| ..lutetium | |
| UF | Lu |
| RT | Lu/Hf |
| Lutzow-Holm Bay | |
|---|---|
| BT | Antarctica |
| .Lutzow-Holm Bay | |
| UF | Lutzow-Holmbukta |
| RT | Queen Maud Land |
| East Ongul Island | |
| Prince Olav Coast | |
| Syowa Station | |
| SN | Between Prince Olav Coast and Prince Harald Coast in Queen Maud Land of the Norwegian Sector. |
| Lutzow-Holmbukta | |
|---|---|
| USE | Lutzow-Holm Bay |
| Luvisols | |
|---|---|
| BT | soils |
| .Luvisols | |
| RT | soil group |
| Luxembourg | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Luxembourg | |
| RT | Ardennes |
| Rhenish Schiefergebirge | |
| Luxembourg Sandstone | |
| Moselle River | |
| Moselle Valley | |
| Luxembourg Belgium | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Belgium | |
| ...Luxembourg Belgium | |
| NT | Bastogne Belgium |
| RT | Ardennes |
| SN | Province in S Belgium. |
| Luxembourg Sandstone | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....Lower Jurassic | |
| .....Luxembourg Sandstone | |
| RT | Belgium |
| Luxembourg | |
| SN | Hettangian and Sinemurian. Also called Hettange Sandstone or Orval Sandstone. |
| Luzerne County Pennsylvania | |
|---|---|
| BT | United States |
| .Pennsylvania | |
| ..Luzerne County Pennsylvania | |
| SN | E central Pennsylvania. |
| Luzon | |
|---|---|
| BT | Asia |
| .Far East | |
| ..Philippine Islands | |
| ...Luzon | |
| NT | Bataan Philippine Islands |
| Bondoc Peninsula | |
| Camarines Norte Philippine Islands | |
| Mayon | |
| Mount Pinatubo | |
| Taal | |
| RT | Luzon earthquake 1990 |
| Sierra Madre | |
| Zambales Ophiolite | |
| SN | Northernmost and most important island. |
| Luzon earthquake 1990 | |
|---|---|
| BT | earthquakes |
| .Luzon earthquake 1990 | |
| UF | Philippine Islands earthquake 1990 |
| Phillipines earthquake 1990 | |
| RT | Philippine Islands |
| Luzon | |
| SN | Epicenter in E Luzon, NE Philippine Islands. Also search Philippine earthquake 1990. Added to Thesaurus in 1995. |
| luzonite | |
|---|---|
| BT | sulfosalts |
| .sulfantimonites | |
| ..luzonite | |
| BT | sulfosalts |
| .sulfarsenites | |
| ..luzonite | |
| RT | copper minerals |
| famatinite | |
| SN | This term has multiple hierarchies. |
| Lvov Basin | |
|---|---|
| BT | Europe |
| .Ukraine | |
| ..Lvov Ukraine | |
| ...Lvov Basin | |
| RT | Lvov-Volyn Basin |
| SN | In Lvov Oblast on the Polish border. This term has multiple hierarchies. |
| Lvov Ukraine | |
|---|---|
| BT | Europe |
| .Ukraine | |
| ..Lvov Ukraine | |
| NT | Borislav Ukraine |
| Lvov Basin | |
| Stebnik Ukraine | |
| UF | L'vov Ukraine |
| Lwow Ukraine | |
| RT | Dolina Ukraine |
| Lvov-Volyn Basin | |
| Rozdol Ukraine | |
| Roztocze | |
| Rudki Ukraine | |
| SN | Oblast including the city in W Ukraine. This term has multiple hierarchies. |
| Lvov-Volyn Basin | |
|---|---|
| BT | Europe |
| .Ukraine | |
| ..Lvov-Volyn Basin | |
| UF | L'vov Volyn Basin |
| RT | Lvov Ukraine |
| Lvov Basin | |
| Volyn Ukraine | |
| SN | Includes parts of Lvov Oblast and adjoining Volyn Oblast along the Polish border. This term has multiple hierarchies. |
| Lwow Ukraine | |
|---|---|
| USE | Lvov Ukraine |
| Lyangar Uzbekistan | |
|---|---|
| BT | Asia |
| .Uzbekistan | |
| ..Samarkand Uzbekistan | |
| ...Lyangar Uzbekistan | |
| SN | Town in Samarkand Oblast in S central Uzbekistan. This term has multiple hierarchies. |
| Lycian Taurus | |
|---|---|
| BT | Asia |
| .Middle East | |
| ..Turkey | |
| ...Lycian Taurus | |
| SN | Mountains in ancient district of SW Anatolia called Lycia. |
| Lycoming County Pennsylvania | |
|---|---|
| BT | United States |
| .Pennsylvania | |
| ..Lycoming County Pennsylvania | |
| Lycopoda | |
|---|---|
| USE | Lycopsida |
| Lycopodiales | |
|---|---|
| USE | Lycopsida |
| Lycopodium | |
|---|---|
| BT | Plantae |
| .Pteridophyta | |
| ..Lycopsida | |
| ...Lycopodium | |
| SN | Genus. |
| Lycopodiumsporites | |
|---|---|
| BT | palynomorphs |
| .miospores | |
| ..Lycopodiumsporites | |
| RT | microfossils |
| SN | Genus. Belongs to the family Lycopodiaceae. Indexed with microfossils if applicable. |
| Lycopsida | |
|---|---|
| BT | Plantae |
| .Pteridophyta | |
| ..Lycopsida | |
| NT | Lepidodendron |
| Lycopodium | |
| Sigillaria | |
| Stigmaria | |
| UF | Lycopoda |
| Lycopodiales | |
| RT | vascular taxa |
| Lydonia Canyon | |
|---|---|
| BT | Atlantic Ocean |
| .North Atlantic | |
| ..Lydonia Canyon | |
| RT | Atlantic Coastal Plain |
| submarine canyons | |
| New England | |
| SN | Submarine canyon in N Atlantic continental slope off New England. Added to Thesaurus in 1985. |
| Lyell, Charles | |
|---|---|
| UF | Charles Lyell |
| RT | biography |
| SN | Added to Thesaurus in 1985. |
| Lyman County South Dakota | |
|---|---|
| BT | United States |
| .South Dakota | |
| ..Lyman County South Dakota | |
| Lynchburg Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Proterozoic | |
| ...Neoproterozoic | |
| ....Lynchburg Formation | |
| RT | Virginia |
| North Carolina | |
| SN | N North Carolina and Virginia. Added to Thesaurus in 1989. |
| Lyngen Peninsula | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Scandinavia | |
| ...Norway | |
| ....Troms Norway | |
| .....Lyngen Peninsula | |
| SN | Along Lyngen Fjord 30 miles E of Tromso in N Norway. |
| Lynn County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Lynn County Texas | |
| Lynn Lake Manitoba | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Manitoba | |
| ...Lynn Lake Manitoba | |
| SN | Town in NW Manitoba. |
| Lyon County Iowa | |
|---|---|
| BT | United States |
| .Iowa | |
| ..Lyon County Iowa | |
| SN | Extreme NW Iowa. |
| Lyon County Kansas | |
|---|---|
| BT | United States |
| .Kansas | |
| ..Lyon County Kansas | |
| NT | Admire Kansas |
| Emporia Kansas | |
| SN | E central Kansas. |
| Lyon County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Lyon County Kentucky | |
| SN | W Kentucky. |
| Lyon County Minnesota | |
|---|---|
| BT | United States |
| .Minnesota | |
| ..Lyon County Minnesota | |
| SN | SW Minnesota. |
| Lyon County Nevada | |
|---|---|
| BT | United States |
| .Nevada | |
| ..Lyon County Nevada | |
| NT | Silver City Nevada |
| Yerington Nevada | |
| RT | Carson River |
| SN | W Nevada. |
| Lyon France | |
|---|---|
| USE | Lyons France |
| Lyons France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Rhone France | |
| ....Lyons France | |
| UF | Lyon France |
| SN | City in E central France. |
| Lyons Sandstone | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Permian | |
| ....Lyons Sandstone | |
| RT | Colorado |
| SN | In Cassa Group. N central Colorado. Added to Thesaurus in 1985. |
| lysime |
|---|
| lysimet |
|---|
| lysimeters | |
|---|---|
| RT | drainage |
| ground water | |
| hydrochemistry | |
| hydrogeology | |
| hydrologic cycle | |
| hydrology | |
| infiltrometers | |
| soils | |
| water balance | |
| water regimes | |
| SN | Added to Thesaurus in 1982. |
| lysoclines | |
|---|---|
| RT | carbonate compensation depth |
| solution | |
| Lystrosaurus | |
|---|---|
| BT | Synapsida |
| .Therapsida | |
| ..Dicynodontia | |
| ...Lystrosaurus | |
| SN | Genus. |
| Lytoceratida | |
|---|---|
| BT | Invertebrata |
| .Mollusca | |
| ..Cephalopoda | |
| ...Tetrabranchiata | |
| ....Ammonoidea | |
| .....Lytoceratida | |
| Lyublyana Slovenia | |
|---|---|
| USE | Ljubljana Slovenia |