Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Ga ![]() | |
|---|---|
| USE | gallium |
gabbro anorthosite ![]() | |
|---|---|
| USE | gabbroic anorthosite |
gabbro family ![]() | |
|---|---|
| SN | As of 1981, no longer a valid term for GeoRef. Use gabbros or alkali gabbros as applicable. |
gabbroic anorthosite ![]() | |
|---|---|
| BT | igneous rocks |
| .plutonic rocks | |
| ..gabbros | |
| ...gabbroic anorthosite | |
| UF | gabbro anorthosite |
| RT | anorthosite |
gabbroic composition ![]() | |
|---|---|
| RT | composition |
| gabbros | |
| igneous rocks | |
| SN | Before 1978, search gabbroic; gabbroic rocks. |
gabbros ![]() | |
|---|---|
| BT | igneous rocks |
| .plutonic rocks | |
| ..gabbros | |
| NT | alkali gabbros |
| anorthosite | |
| anorthositic gabbro | |
| gabbroic anorthosite | |
| labradoritite | |
| microgabbro | |
| norite | |
| olivine gabbro | |
| rodingite | |
| troctolite | |
| RT | gabbroic composition |
| metagabbro | |
| SN | Before 1981, search gabbro family. As of 1993, eucrite is no longer a narrower term. |
Gabilan Range ![]() | |
|---|---|
| BT | United States |
| .California | |
| ..Gabilan Range | |
| RT | Coast Ranges |
| SN | One of the Coast Ranges in W California. Indexed with Coast Ranges. |
Gabon ![]() | |
|---|---|
| BT | Africa |
| .Central Africa | |
| ..Gabon | |
| NT | Oklo |
| SN | Formerly part of French Equatorial Africa. |
Gabonella ![]() | |
|---|---|
| BT | Invertebrata |
| .Protista | |
| ..Foraminifera | |
| ...Rotaliina | |
| ....Buliminacea | |
| .....Gabonella | |
| RT | microfossils |
| SN | Genus. Indexed with microfossils if applicable. |
gadolinite ![]() | |
|---|---|
| BT | silicates |
| .orthosilicates | |
| ..nesosilicates | |
| ...gadolinite | |
gadolinium ![]() | |
|---|---|
| BT | metals |
| .rare earths | |
| ..gadolinium | |
| UF | Gd |
Gadsden County Florida ![]() | |
|---|---|
| BT | United States |
| .Florida | |
| ..Gadsden County Florida | |
| SN | NW Florida. |
Gage County Nebraska ![]() | |
|---|---|
| BT | United States |
| .Nebraska | |
| ..Gage County Nebraska | |
gahnite ![]() | |
|---|---|
| BT | oxides |
| .gahnite | |
| UF | zinc spinel |
| RT | spinel group |
Gaia hypothesis ![]() | |
|---|---|
| RT | biochemistry |
| biologic evolution | |
| biosphere | |
| climate | |
| Earth | |
| ecology | |
| ecosystems | |
| environmental geology | |
| geochemical cycle | |
| greenhouse effect | |
| paleoatmosphere | |
| planetology | |
| SN | Or theory that the presence of living organisms on a planet leads to major modifications of planetary physical and chemical conditions, and that following the establishment of life, the climate and major biogeochemical cycles are mediated by living organi |
Gailtal Alps ![]() | |
|---|---|
| BT | Europe |
| .Alps | |
| ..Gailtal Alps | |
| BT | Europe |
| .Central Europe | |
| ..Austria | |
| ...Gailtal Alps | |
| RT | Eastern Alps |
| Carinthia Austria | |
| SN | S Austria. This term has multiple hierarchies. |
Gaines County Texas ![]() | |
|---|---|
| BT | United States |
| .Texas | |
| ..Gaines County Texas | |
| RT | Central Basin Platform |
| Ashmore Meteorite | |
| SN | NW Texas. |
Gairloch Scotland ![]() | |
|---|---|
| BT | ghland region Scotland |
| .Gairloch Scotland | |
| SN | Town in NW Scotland. |
gaize ![]() | |
|---|---|
| BT | sedimentary rocks |
| .clastic rocks | |
| ..gaize | |
| RT | clastic sediments |
| sandstone | |
Gakkel Ridge ![]() | |
|---|---|
| USE | Mid-Arctic Ocean Ridge |
Galaico Massif ![]() | |
|---|---|
| RT | Galicia Spain |
| Spain | |
| SN | Indexed with Spain if applicable. Added to Thesaurus in 1981. |
Galapagos Islands ![]() | |
|---|---|
| BT | East Pacific Ocean Islands |
| .Galapagos Islands | |
| NT | Chaves Island |
| UF | Colon Archipelago |
| RT | South America |
| Ecuador | |
| Seymour Island | |
| SN | A territory of Ecuador about 600 miles W of mainland. |
Galapagos Rift ![]() | |
|---|---|
| BT | Pacific Ocean |
| .East Pacific | |
| ..Galapagos Rift | |
| UF | Galapagos spreading center |
| RT | plate tectonics |
| mid-ocean ridges | |
| Northeast Pacific | |
| Equatorial Pacific | |
| Nazca Plate | |
| Cocos Plate | |
| East Pacific Rise | |
| Leg 54 | |
| Leg 83 | |
| Hess Deep | |
| Leg 147 | |
| SN | E Equatorial Pacific. Separates the Cocos and Nazca tectonic plates. Forms triple junction with the East Pacific Rise. Added to Thesaurus in 1981. |
Galapagos spreading center ![]() | |
|---|---|
| USE | Galapagos Rift |
Gale ![]() |
|---|
galena ![]() | |
|---|---|
| BT | sulfides |
| .galena | |
| UF | blue lead |
| galenite | |
| lead glance | |
| RT | lead ores |
Galena Dolomite ![]() | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Ordovician | |
| ....Middle Ordovician | |
| .....Galena Dolomite | |
| RT | Iowa |
| Illinois | |
| Wisconsin | |
| Minnesota | |
| SN | N Illinois, E Iowa, S Minnesota and SW Wisconsin. Added to Thesaurus in 1985. |
galenite ![]() | |
|---|---|
| USE | galena |
galenobismutite ![]() | |
|---|---|
| BT | sulfosalts |
| .sulfobismuthites | |
| ..galenobismutite | |
Galeoidea ![]() | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Pisces | |
| ...Chondrichthyes | |
| ....Elasmobranchii | |
| .....Selachii | |
| ......Galeoidea | |
| NT | Lamnidae |
| SN | Suborder. |
Galeras ![]() | |
|---|---|
| BT | South America |
| .Andes | |
| ..Galeras | |
| BT | South America |
| .Colombia | |
| ..Galeras | |
| RT | volcanoes |
| SN | Andean volcano, Narino state, SW Colombia. This term has multiple hierarchies. |
Galerkin analysis ![]() | |
|---|---|
| USE | Galerkin method |
Galerkin me ![]() |
|---|
Galerkin method ![]() | |
|---|---|
| UF | Galerkin analysis |
| RT | mathematical geology |
| mathematical methods | |
| finite element analysis | |
| SN | Added to Thesaurus in 1989. |
Galesville Sandstone ![]() | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Cambrian | |
| ....Upper Cambrian | |
| .....Galesville Sandstone | |
| RT | Iowa |
| Wisconsin | |
| Minnesota | |
| SN | Wisconsin, Iowa and S Minnesota. Added to Thesaurus in 1989. |
Galezice ![]() | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Galezice | |
| RT | Kielce Poland |
| Swiety Krzyz Mountains | |
| SN | Syncline in the Swiety Krzyz Mountains between Vistula River and Pilica River in SE central Poland. |
Galice Formation ![]() | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....Upper Jurassic | |
| .....Galice Formation | |
| RT | California |
| Oregon | |
| SN | SW Oregon and N California. Added to Thesaurus in 1985. |
Galicia ![]() | |
|---|---|
| SN | No longer a valid term for GeoRef. See Galicia Spain. For the former Austrian crownland now in SE Poland and NW Ukraine, see Galitsiya. |
Galicia Spain ![]() | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Galicia Spain | |
| NT | Arosa Bay |
| La Coruna Spain | |
| Lugo Spain | |
| Orense Spain | |
| Pontevedra Spain | |
| RT | Cantabrian Mountains |
| Galaico Massif | |
| Galitsiya | |
| SN | Refers to only the autonomous community and ancient kingdom in NW Spain. |
Galilean satellites ![]() | |
|---|---|
| RT | Callisto Satellite |
| Europa Satellite | |
| Ganymede Satellite | |
| icy satellites | |
| Io Satellite | |
| Jupiter | |
| satellites | |
| SN | Includes Callisto, Europa, Ganymede, and Io. |
Galilee ![]() | |
|---|---|
| BT | Asia |
| .Middle East | |
| ..Israel | |
| ...Galilee | |
| RT | Haifa Bay |
| SN | Hilly region of N Israel. |
Galilee Basin ![]() | |
|---|---|
| RT | Israel |
| Queensland Australia | |
| Sea of Galilee | |
| SN | Structural basin in central Queensland. Also in Israel. Indexed with state or region as applicable. Added to Thesaurus in 1981. |
Galileo Progra ![]() |
|---|
Galileo Program ![]() | |
|---|---|
| RT | extraterrestrial geology |
| Gaspra Asteroid | |
| Ida Asteroid | |
| Jupiter | |
| Magellan Program | |
| Moon | |
| planetology | |
| remote sensing | |
| Venus | |
| Vesta Asteroid | |
| SN | Added to Thesaurus in 1995. |
Galitsiya ![]() | |
|---|---|
| BT | Europe |
| .Galitsiya | |
| RT | Poland |
| Galicia Spain | |
| Ukraine | |
| Przemysl Poland | |
| Rzeszow Poland | |
| SN | Former Austrian crownland now in SE Poland and NW Ukraine. Before 1981, also search Galicia AND Poland; Galicia AND Ukraine. Added to Thesaurus in 1981. |
Gallatin County Illinois ![]() | |
|---|---|
| BT | United States |
| .Illinois | |
| ..Gallatin County Illinois | |
| SN | SE Illinois. |
Gallatin County Kentucky ![]() | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Gallatin County Kentucky | |
| SN | N Kentucky. |
Gallatin County Montana ![]() | |
|---|---|
| BT | United States |
| .Montana | |
| ..Gallatin County Montana | |
| NT | Hebgen Lake |
| Three Forks Montana | |
| RT | Bridger Range |
| Gallatin Range | |
| Hebgen Lake earthquake 1959 | |
| Madison Range | |
| Spanish Peaks | |
| SN | SW Montana. |
Gallatin Range ![]() | |
|---|---|
| BT | United States |
| .Gallatin Range | |
| RT | Wyoming |
| Montana | |
| Gallatin County Montana | |
| Park County Montana | |
| Yellowstone National Park | |
| Park County Wyoming | |
| SN | Indexed with states and counties as applicable. |
Gallia County Ohio ![]() | |
|---|---|
| BT | United States |
| .Ohio | |
| ..Gallia County Ohio | |
Galliformes ![]() | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Aves | |
| ....Neornithes | |
| .....Galliformes | |
| SN | Order. |
gallium ![]() | |
|---|---|
| BT | metals |
| .gallium | |
| UF | Ga |
Gallivare Sweden ![]() | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Scandinavia | |
| ...Sweden | |
| ....Norrbotten Sweden | |
| .....Gallivare Sweden | |
| UF | Gellnare |
| SN | Village N of the Arctic Circle. |
Galloway Scotland ![]() | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....Scotland | |
| .....Galloway Scotland | |
| SN | District in SW Scotland. Now part of Dumfries and Galloway region. |
Gallup Sandstone ![]() | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Gallup Sandstone | |
| RT | New Mexico |
| Mesaverde Group | |
| SN | In Mesaverde Group. NW New Mexico. |
Galunggung ![]() | |
|---|---|
| BT | Asia |
| .Far East | |
| ..Indonesia | |
| ...Java | |
| ....Galunggung | |
| RT | volcanoes |
| SN | Volcano, W Java. |
Galveston Bay ![]() | |
|---|---|
| BT | United States |
| .Texas | |
| ..Galveston Bay | |
| RT | East Bay |
| SN | Inlet of Gulf of Mexico protected from gulf by Galveston Island and Bolivar Peninsula. Indexed with counties as applicable. |
Galveston County Texas ![]() | |
|---|---|
| BT | United States |
| .Texas | |
| ..Galveston County Texas | |
| NT | Galveston Island |
| Galveston Texas | |
| RT | High Island |
| SN | S Texas. |
Galveston Island ![]() | |
|---|---|
| BT | United States |
| .Texas | |
| ..Galveston County Texas | |
| ...Galveston Island | |
| RT | Galveston Texas |
| SN | 30 mile long island at the entrance of Galveston Bay. |
Galveston Texas ![]() | |
|---|---|
| BT | United States |
| .Texas | |
| ..Galveston County Texas | |
| ...Galveston Texas | |
| RT | Galveston Island |
| SN | City on Galveston Island in the Gulf of Mexico, S Texas. |
Galway Granite ![]() | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Ireland | |
| ...Galway Ireland | |
| ....Galway Granite | |
| RT | Devonian |
| Connemara | |
| SN | Connemara District in W Galway. |
Galway Ireland ![]() | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Ireland | |
| ...Galway Ireland | |
| NT | Connemara |
| Galway Granite | |
| Tynagh Ireland | |
| SN | County including the city in W Ireland. |
Gambia ![]() | |
|---|---|
| BT | Africa |
| .West Africa | |
| ..Gambia | |
| NT | Georgetown Gambia |
Gambier Embayment ![]() | |
|---|---|
| BT | Australasia |
| .Australia | |
| ..Gambier Embayment | |
| RT | South Australia |
| Victoria Australia | |
| SN | Indexed with states as applicable. |
gamma ray ![]() | |
|---|---|
| SN | A valid term through 1977. After 1977 use gamma-ray spectroscopy or gamma-ray methods. |
gamma rays ![]() | |
|---|---|
| UF | rays, gamma |
| RT | cosmic rays |
| alpha rays | |
| beta rays | |
| radioactivity | |
| X-rays | |
| gamma-ray spectroscopy | |
| electromagnetic radiation | |
| gamma-gamma methods | |
| gamma-ray methods | |
| gamma-ray spectra | |
| neutron-gamma methods | |
| scintillations | |
| SN | Use when referring to the rays themselves. |
gamma-gamma methods ![]() | |
|---|---|
| RT | gamma rays |
| gamma-ray methods | |
| geophysical methods | |
| neutron-gamma methods | |
| radioactivity | |
| well-logging | |
| SN | Before 1978, search gamma-gamma. Indexed with well-logging if applicable. |
gamma-ray methods ![]() | |
|---|---|
| RT | gamma rays |
| gamma-gamma methods | |
| gamma-ray spectroscopy | |
| geophysical methods | |
| neutron-gamma methods | |
| radioactivity | |
| radioactivity methods | |
| well-logging | |
| SN | Before 1978, search gamma ray or gamma-ray. |
gamma-ray spectra ![]() | |
|---|---|
| BT | spectra |
| .gamma-ray spectra | |
| RT | spectroscopy |
| gamma rays | |
| gamma-ray spectroscopy | |
| SN | Used for data. For methodology, use gamma-ray spectroscopy. Added to Thesaurus in 1985. |
gamma-ray spectrometry ![]() | |
|---|---|
| SN | A valid term through 1978. After 1978, see gamma-ray spectroscopy. |
gamma-ray spectroscopy ![]() | |
|---|---|
| BT | spectroscopy |
| .gamma-ray spectroscopy | |
| RT | chemical analysis |
| well-logging | |
| analysis | |
| alpha-ray spectroscopy | |
| gamma rays | |
| radioactivity | |
| gamma-ray methods | |
| gamma-ray spectra | |
| SN | Before 1978, also search spectroscopy AND gamma ray. |
gammacerane ![]() | |
|---|---|
| BT | organic compounds |
| .hydrocarbons | |
| ..triterpanes | |
| ...gammacerane | |
| RT | biomarkers |
| SN | Pentacyclic triterpane. |
Gammon Ferruginous Member ![]() | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Gammon Ferruginous Member | |
| RT | Wyoming |
| Montana | |
| South Dakota | |
| Pierre Shale | |
| SN | Of Pierre Shale. NE Wyoming, SE Montana and NW South Dakota. Added to Thesaurus in 1985. |
Gander Lake Group ![]() | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Ordovician | |
| ....Gander Lake Group | |
| RT | Canada |
| Newfoundland Island | |
Gander Zone ![]() | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Gander Zone | |
| RT | Newfoundland Island |
| New Brunswick | |
| Nova Scotia | |
| SN | Eastern Canada. Indexed with provinces as applicable. Added to Thesaurus in 1985. |
Gandja Azerbaijan ![]() | |
|---|---|
| USE | Kirovabad Azerbaijan |
Gandzha Azerbaijan ![]() | |
|---|---|
| USE | Kirovabad Azerbaijan |
Ganga River ![]() | |
|---|---|
| USE | Ganges River |
Gangamopteris ![]() | |
|---|---|
| BT | Plantae |
| .Spermatophyta | |
| ..Gymnospermae | |
| ...Glossopteridales | |
| ....Gangamopteris | |
| RT | Glossopteris |
| SN | Genus. |
Ganges River ![]() | |
|---|---|
| BT | Asia |
| .Ganges River | |
| UF | Ganga River |
| RT | India |
| Bangladesh | |
| SN | Sacred river which rises in the Himalayas and flows into the Bay of Bengal. Indexed with countries as applicable. |
Gangpur Series ![]() | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Archean | |
| ...Gangpur Series | |
| RT | India |
| Orissa India | |
| SN | Subdivided into Ghoriajor Stage, Kumarmunda Stage, Birmitrapur Stage, and Laingar Stage. |
gangue ![]() | |
|---|---|
| RT | mineral deposits, genesis |
Gansu China ![]() | |
|---|---|
| BT | Asia |
| .Far East | |
| ..China | |
| ...Gansu China | |
| NT | Lanzhou China |
| UF | Kansu China |
| RT | Haiyuan earthquake 1920 |
| Huang He | |
| Loess Plateau | |
| Ordos Basin | |
| Qilian Mountains | |
| Qinling Mountains | |
| SN | Province, NW China. |
Ganymede Satellite ![]() | |
|---|---|
| RT | Galilean satellites |
| icy satellites | |
| Jupiter | |
| satellites | |
| Voyager Program | |
| SN | One of the satellites of Jupiter. Before 1985, also search Ganymede AND Jupiter. Added to Thesaurus in 1985. |
gaps, stratigraphic ![]() | |
|---|---|
| USE | stratigraphic gaps |
Gard France ![]() | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Gard France | |
| NT | Ales France |
| RT | Aigoual Massif |
| Cevennes | |
| SN | Department in S France. |
Garden Banks ![]() | |
|---|---|
| BT | Atlantic Ocean |
| .North Atlantic | |
| ..Gulf of Mexico | |
| ...Garden Banks | |
| UF | Flower Garden Banks |
| RT | Louisiana |
| Texas | |
| SN | N Gulf of Mexico, offshore Louisiana and Texas. Also search East Flower Garden Bank and West Flower Garden Bank. |
Garden County Nebraska ![]() | |
|---|---|
| BT | United States |
| .Nebraska | |
| ..Garden County Nebraska | |
| RT | Beaver Lake |
| SN | W Nebraska. |
Garfield County Colorado ![]() | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Garfield County Colorado | |
| NT | Anvil Points Mine |
| Rifle Colorado | |
| RT | Book Cliffs |
| White River Plateau | |
| SN | W Colorado. |
Garfield County Montana ![]() | |
|---|---|
| BT | United States |
| .Montana | |
| ..Garfield County Montana | |
| SN | E central Montana. |
Garfield County Nebraska ![]() | |
|---|---|
| BT | United States |
| .Nebraska | |
| ..Garfield County Nebraska | |
| SN | Central Nebraska. |
Garfield County Oklahoma ![]() | |
|---|---|
| BT | United States |
| .Oklahoma | |
| ..Garfield County Oklahoma | |
| SN | N Oklahoma. |
Garfield County Utah ![]() | |
|---|---|
| BT | United States |
| .Utah | |
| ..Garfield County Utah | |
| RT | Canyonlands National Park |
| Lake Powell | |
| Henry Mountains | |
| SN | S Utah. |
Garfield County Washington ![]() | |
|---|---|
| BT | United States |
| .Washington | |
| ..Garfield County Washington | |
| SN | SE Washington. |
Gargano ![]() | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Apulia Italy | |
| ....Gargano | |
| UF | Monte Gargano |
| SN | Mountain promontory extending into Adriatic Sea in NE Apulia. |
Gargasian ![]() | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Lower Cretaceous | |
| .....Gargasian | |
| RT | Aptian |
| SN | Substage in Switzerland: upper Aptian; above Bedoulian Substage. |
Garhwal Group ![]() | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...upper Paleozoic | |
| ....Garhwal Group | |
| RT | India |
| Himalayas | |
| SN | Chamoli window, in Tehri Garhwal, Uttar Pradesh India. Name substituted for the Barahat Series. |
Garhwal Himalaya ![]() | |
|---|---|
| USE | Garhwal Himalayas |
Garhwal Himalayas ![]() | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Uttar Pradesh India | |
| ....Garhwal Himalayas | |
| BT | Asia |
| .Himalayas | |
| ..Garhwal Himalayas | |
| UF | Garhwal Himalaya |
| RT | Uttarkashi earthquake 1991 |
| SN | N Uttar Pradesh, India. This term has multiple hierarchies. Added to Thesaurus in 1985. |
Garhwal India ![]() | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Uttar Pradesh India | |
| ....Garhwal India | |
| UF | Gurhwal India |
| SN | District in N Uttar Pradesh. |
Garian Libya ![]() | |
|---|---|
| BT | Africa |
| .North Africa | |
| ..Libya | |
| ...Garian Libya | |
| UF | Gharian Libya |
| RT | Tripolitania |
| SN | Town in extreme NW Libya. |
Garland County Arkansas ![]() | |
|---|---|
| BT | United States |
| .Arkansas | |
| ..Garland County Arkansas | |
| SN | Central Arkansas. |
Garlock Fault ![]() | |
|---|---|
| BT | United States |
| .California | |
| ..Garlock Fault | |
| SN | Runs E-W in S central California. Indexed with counties or regions as applicable. |
Garm Tajikistan ![]() | |
|---|---|
| BT | Asia |
| .Tajikistan | |
| ..Garm Tajikistan | |
| SN | Town and former oblast in N central Tajikistan. This term has multiple hierarchies. |
Garn Formation ![]() | |
|---|---|
| RT | Bajocian |
| Bathonian | |
| Middle Jurassic | |
| North Atlantic | |
| Norwegian Sea | |
| SN | Middle Jurassic. In Fangst Group. Haltenbanken, Nowegian continental shelf, Norwegian Sea. May also occur in other locations. Indexed with age as applicable. Added to Thesaurus in 1995. |
garnet ![]() | |
|---|---|
| SN | As of 1981, no longer a valid term for GeoRef. See garnet group. Use garnet deposits for garnet as a commodity. |
garnet deposits ![]() | |
|---|---|
| RT | abrasives |
| garnet group | |
| heavy mineral deposits | |
| industrial minerals | |
| SN | Before 1981, also search garnet. Indexed with with industrial minerals or gems for use as a commodity. |
garnet group ![]() | |
|---|---|
| BT | silicates |
| .orthosilicates | |
| ..nesosilicates | |
| ...garnet group | |
| NT | almandine |
| andradite | |
| grossular | |
| hydrogrossular | |
| majorite | |
| melanite | |
| pyrope | |
| schorlomite | |
| spessartine | |
| uvarovite | |
| vanadium garnet | |
| RT | garnet deposits |
| gems | |
| SN | Also search garnet. |
garnet lherzolite ![]() | |
|---|---|
| BT | igneous rocks |
| .plutonic rocks | |
| ..ultramafics | |
| ...peridotites | |
| ....garnet lherzolite | |
| RT | lherzolite |
garnet peridotite ![]() | |
|---|---|
| BT | igneous rocks |
| .plutonic rocks | |
| ..ultramafics | |
| ...peridotites | |
| ....garnet peridotite | |
garnet pyroxenite ![]() | |
|---|---|
| BT | igneous rocks |
| .plutonic rocks | |
| ..ultramafics | |
| ...garnet pyroxenite | |
| RT | pyroxenite |
garnetite ![]() | |
|---|---|
| BT | metamorphic rocks |
| .garnetite | |
| SN | Added to Thesaurus in 1981. |
Garnett Kansas ![]() | |
|---|---|
| BT | United States |
| .Kansas | |
| ..Anderson County Kansas | |
| ...Garnett Kansas | |
| SN | City in E Kansas. |
garnierite ![]() | |
|---|---|
| BT | silicates |
| .sheet silicates | |
| ..serpentine group | |
| ...garnierite | |
| UF | nepouite |
| RT | nickel ores |
Garo Hills ![]() | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Northeastern India | |
| ....Meghalaya India | |
| .....Garo Hills | |
| RT | Assam India |
| SN | In Meghalaya state, at bend of Brahmaputra River in NE India. |
Garonne River ![]() | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Garonne River | |
| RT | Gironde France |
| SN | SW France. |
Garrard County Kentucky ![]() | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Garrard County Kentucky | |
garrelsite ![]() | |
|---|---|
| BT | silicates |
| .orthosilicates | |
| ..nesosilicates | |
| ...garrelsite | |
Garrett County Maryland ![]() | |
|---|---|
| BT | United States |
| .Maryland | |
| ..Garrett County Maryland | |
| RT | Savage River |
| SN | Extreme W Maryland. |
garronite ![]() | |
|---|---|
| BT | silicates |
| .framework silicates | |
| ..zeolite group | |
| ...garronite | |
Garvin County Oklahoma ![]() | |
|---|---|
| BT | United States |
| .Oklahoma | |
| ..Garvin County Oklahoma | |
| SN | S Central Oklahoma. |
Garza County Texas ![]() | |
|---|---|
| BT | United States |
| .Texas | |
| ..Garza County Texas | |
| SN | NW Texas. |
gas ![]() | |
|---|---|
| SN | A valid index term through 1977 used in combination with natural (i.e. gas, natural). After 1977, use natural gas. |
gas chromatograms ![]() | |
|---|---|
| UF | gas chromatographic analyses |
| gas chromatographs | |
| gas chromatography data | |
| RT | gas chromatography |
| chromatograms | |
| fragmentograms | |
| SN | Use for data. Use gas chromatography for methodology. Added to Thesaurus in 1985. |
gas chromatographic analyses ![]() | |
|---|---|
| USE | gas chromatograms |
gas chromatographs ![]() | |
|---|---|
| USE | gas chromatograms |
gas chromatography ![]() | |
|---|---|
| RT | chemical composition |
| chromatography | |
| gas chromatograms | |
| gases | |
| ion chromatography | |
| radon emanometry | |
| SN | Not a valid term from 1975-1977. |
gas chromatography data ![]() | |
|---|---|
| USE | gas chromatograms |
gas condensates ![]() | |
|---|---|
| USE | condensates |
gas fields ![]() | |
|---|---|
| USE | oil and gas fields |
Gas Hills ![]() | |
|---|---|
| BT | United States |
| .Wyoming | |
| ..Gas Hills | |
| RT | Fremont County Wyoming |
| Natrona County Wyoming | |
| SN | Fremont and Natrona counties in central Wyoming. Indexed with county as applicable. |
gas hydrates ![]() | |
|---|---|
| UF | hydrates, gas |
| RT | bottom-simulating reflectors |
| clathrates | |
| natural gas | |
| gas seeps | |
| condensates | |
| hydrates | |
| SN | Added to Thesaurus in 1985. |
gas injection ![]() | |
|---|---|
| RT | enhanced recovery |
| fluid injection | |
| injection | |
| oil wells | |
| petroleum engineering | |
| reinjection wells | |
| tertiary recovery | |
| SN | Added to Thesaurus in 1985. |
gas phase ![]() | |
|---|---|
| USE | gaseous phase |
gas sands ![]() | |
|---|---|
| BT | sedimentary rocks |
| .gas sands | |
| RT | organic compounds |
| energy sources | |
| natural gas | |
| oil sands | |
| tight sands | |
| SN | Added to Thesaurus in 1989. |
gas seeps ![]() | |
|---|---|
| UF | seeps, gas |
| RT | seepage |
| oil seeps | |
| gas hydrates | |
| natural gas | |
| cold seeps | |
| SN | For oil and gas, use oil seeps. Also search seepage and natural gas. Added to Thesaurus in 1995. |
gas storage ![]() | |
|---|---|
| RT | engineering geology |
| natural gas | |
| oil storage | |
| petroleum engineering | |
| storage | |
| underground installations | |
| underground storage | |
| underground storage tanks | |
gas-water interface ![]() | |
|---|---|
| UF | water-gas interface |
| RT | interfaces |
| water | |
| gases | |
| natural gas | |
| oil-water interface | |
| SN | Before 1998, also search oil-water interface AND natural gas if applicable. |
Gasconade County Missouri ![]() | |
|---|---|
| BT | United States |
| .Missouri | |
| ..Gasconade County Missouri | |
Gascoyne abyssal plain ![]() | |
|---|---|
| BT | Indian Ocean |
| .Gascoyne abyssal plain | |
| RT | Leg 123 |
| DSDP Site 260 | |
| ODP Site 766 | |
| SN | Off western Australia. |
gaseous phase ![]() | |
|---|---|
| UF | gas phase |
| phase, gaseous | |
| RT | geochemistry |
| Henry's law | |
| boiling | |
| bubbles | |
| liquid phase | |
| gases | |
| fluid phase | |
| solid phase | |
| gasification | |
gases ![]() | |
|---|---|
| RT | bubbles |
| Darcy's law | |
| effusion | |
| fluid inclusions | |
| fumaroles | |
| gas chromatography | |
| gas-water interface | |
| gaseous phase | |
| gasification | |
| Henry's law | |
| hydrogen sulfide | |
| magmas | |
| mining geology | |
| natural gas | |
| nitrogen dioxide | |
| nitrous oxide | |
| noble gases | |
| nuees ardentes | |
| oil-gas inte | |
| SN | Not used for the commodity natural gas. |
gasification ![]() | |
|---|---|
| RT | coal |
| gaseous phase | |
| gases | |
| natural gas | |
gasoline ![]() | |
|---|---|
| BT | petroleum products |
| .gasoline | |
| RT | pollution |
| organic compounds | |
| pollutants | |
| hydrocarbons | |
| leaking underground storage tanks | |
| light nonaqueous phase liquids | |
| underground storage tanks | |
| SN | Added to Thesaurus in 1995. |
Gaspe East ![]() | |
|---|---|
| USE | Gaspe-Est County Quebec |
Gaspe Est County Quebec ![]() | |
|---|---|
| USE | Gaspe-Est County Quebec |
Gaspe Ouest County Quebec ![]() | |
|---|---|
| USE | Gaspe-Ouest County Quebec |
Gaspe Peninsula ![]() | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...Gaspe Peninsula | |
| RT | Saint John River |
| Battery Point Formation | |
| SN | Extends into Gulf of Saint Lawrence. Before 1978, also search Gaspe Quebec. |
Gaspe Quebec ![]() | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...Gaspe-Est County Quebec | |
| ....Gaspe Quebec | |
| SN | Village in E Quebec near E extremity of Gaspe Peninsula. |
Gaspe West ![]() | |
|---|---|
| USE | Gaspe-Ouest County Quebec |
Gaspe-Est County Quebec ![]() | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...Gaspe-Est County Quebec | |
| NT | Gaspe Quebec |
| UF | Gaspe East |
| Gaspe Est County Quebec | |
| RT | Gaspe-Ouest County Quebec |
Gaspe-Ouest County Quebec ![]() | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...Gaspe-Ouest County Quebec | |
| UF | Gaspe Ouest County Quebec |
| Gaspe West | |
| RT | Gaspe-Est County Quebec |
Gaspra Asteroid ![]() | |
|---|---|
| BT | asteroids |
| .S-type asteroids | |
| ..Gaspra Asteroid | |
| UF | 951 Gaspra |
| RT | Galileo Program |
| SN | Object of Galileo spacecraft flyby observation in 1991. Added to Thesaurus in 1995. |
gastaldite ![]() | |
|---|---|
| USE | glaucophane |
Gaston County North Carolina ![]() | |
|---|---|
| BT | United States |
| .North Carolina | |
| ..Gaston County North Carolina | |
gastroliths ![]() | |
|---|---|
| RT | Pisces |
| Reptilia | |
Gates County North Carolina ![]() | |
|---|---|
| BT | United States |
| .North Carolina | |
| ..Gates County North Carolina | |
Gates Formation ![]() | |
|---|---|
| RT | Alberta |
| British Columbia | |
| Lower Cretaceous | |
| SN | Coal-bearing strata. Lower Cretaceous of NW Alberta and NE British Columbia. Also search Gates Member AND Canada. There is also a Gates Member in the Silurian of W New York. Indexed with age as applicable. Added to Thesaurus in 1989. |
Gatineau County Quebec ![]() | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...Gatineau County Quebec | |
| NT | Hull Quebec |
Gatineau Valley ![]() | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...Gatineau Valley | |
| SN | River valley in SW Quebec. |
gauges ![]() | |
|---|---|
| USE | gauging |
gauging ![]() | |
|---|---|
| UF | gauges |
| RT | water |
| hydrology | |
Gault Clay ![]() | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Lower Cretaceous | |
| .....Gault Clay | |
| UF | Gault Formation |
| RT | Great Britain |
| SN | Middle Europe. Lower Cretaceous clay formation in Great Britain. Also search Gault. |
Gault Formation ![]() | |
|---|---|
| USE | Gault Clay |
Gaurdak Turkmenia ![]() | |
|---|---|
| BT | Asia |
| .Turkmenia | |
| ..Chardzhou Turkmenia | |
| ...Gaurdak Turkmenia | |
| SN | Town in Chardzhou Oblast in NE Turkmenia. This term has multiple hierarchies. |
Gauss ![]() | |
|---|---|
| SN | For the various mathematical/statistical concepts, use of Gaussian analysis is not recommended. Use specific concept such as Gaussian beams, Gaussian elimination, normal distribution. |
Gauss Chron ![]() | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Pliocene | |
| .....Gauss Chron | |
| UF | Gauss Epoch |
| Gauss Normal | |
| RT | paleomagnetism |
| upper Tertiary | |
| reversals | |
| SN | Geochronologic division based on magnetostratigraphic normal polarity unit. Mid-Pliocene. Formerly designated the Gauss Epoch. |
Gauss Epoch ![]() | |
|---|---|
| USE | Gauss Chron |
Gauss Normal ![]() | |
|---|---|
| USE | Gauss Chron |
Gaussberg-Kerguelen Ridge ![]() | |
|---|---|
| USE | Kerguelen Plateau |
Gaussian ![]() | |
|---|---|
| SN | For the various mathematical/statistical concepts, use of Gaussian analysis is not recommended. Use specific concept such as Gaussian beams, Gaussian elimination, normal distribution. |
Gavarnie France ![]() | |
|---|---|
| BT | utes-Pyrenees France |
| .Gavarnie France | |
| SN | Village in SW France. |
Gavish Sebkha ![]() | |
|---|---|
| RT | Egypt |
| Sinai | |
| Sinai Egypt | |
| SN | Indexed with Sinai Egypt or Sinai as applicable. Added to Thesaurus in 1989. |
Gavrovo Zone ![]() | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Greece | |
| ...Peloponnesus Greece | |
| ....Gavrovo Zone | |
| UF | Gavrovo-Tripolis Zone |
| RT | Tripolis Greece |
| SN | Central Peloponnesus. Also search Gavrovo. |
Gavrovo-Tripolis Zone ![]() | |
|---|---|
| USE | Gavrovo Zone |
Gavur Mountains ![]() | |
|---|---|
| USE | Amanos Mountains |
Gawler Block ![]() | |
|---|---|
| USE | Gawler Craton |
Gawler Craton ![]() | |
|---|---|
| BT | Australasia |
| .Australia | |
| ..South Australia | |
| ...Gawler Craton | |
| UF | Gawler Block |
| SN | S South Australia. Added to Thesaurus in 1989. |
Gay ![]() | |
|---|---|
| RT | Russian Federation |
| SN | Ore fields in the Southern Urals. Indexed with Russian Federation as applicable. |
Gaya India ![]() | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Bihar India | |
| ....Gaya India | |
| RT | Bihar mica belt |
| SN | City in central Bihar, E India. |
gaylussite ![]() | |
|---|---|
| BT | carbonates |
| .gaylussite | |
Gays River Deposit ![]() | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Maritime Provinces | |
| ...Nova Scotia | |
| ....Gays River Deposit | |
| RT | lead-zinc deposits |
| base metals | |
| mississippi valley-type deposits | |
| SN | Mississippi-valley type lead-zinc deposit, central Nova Scotia. |
Gazli earthquake 1976 ![]() | |
|---|---|
| BT | earthquakes |
| .Gazli earthquake 1976 | |
| RT | Uzbekistan |
| SN | Epicenter in Uzbekistan, Central Asia. Added to Thesaurus in 1989. |
Gazli earthquake 1984 ![]() | |
|---|---|
| BT | earthquakes |
| .Gazli earthquake 1984 | |
| RT | Uzbekistan |
| SN | Epicenter in Uzbekistan, Central Asia. Added to Thesaurus in 1989. |
