SEDIS - Thesaurus
He  | |
|---|---|
| USE | helium |
| He-3 | |
|---|---|
| BT | isotopes |
| .stable isotopes | |
| ..He-3 | |
| BT | noble gases |
| .helium | |
| ..He-3 | |
| RT | He-4/He-3 |
| SN | This term has multiple hierarchies. |
| He-3/He-4 | |
|---|---|
| USE | He-4/He-3 |
| He-4 | |
|---|---|
| BT | isotopes |
| .stable isotopes | |
| ..He-4 | |
| BT | noble gases |
| .helium | |
| ..He-4 | |
| RT | He-4/He-3 |
| SN | This term has multiple hierarchies. |
| He-4/He-3 | |
|---|---|
| BT | isotopes |
| .stable isotopes | |
| ..He-4/He-3 | |
| BT | noble gases |
| .helium | |
| ..He-4/He-3 | |
| UF | He-3/He-4 |
| RT | absolute age |
| isotope ratios | |
| He-3 | |
| He-4 | |
| SN | Isotopic ratio. As of 1989, use He/He for age determination method. This term has multiple hierarchies. |
| He/He | |
|---|---|
| RT | absolute age |
| helium | |
| isotope ratios | |
| thermochronology | |
| SN | Isotopic ratio used in age determination. Before 1989, also search He-4/He-3. Added to Thesaurus in 1989. |
| hea |
|---|
| head, hydraulic | |
|---|---|
| USE | hydraulic head |
| Healdiidae | |
|---|---|
| BT | Invertebrata |
| .Arthropoda | |
| ..Mandibulata | |
| ...Crustacea | |
| ....Ostracoda | |
| .....Podocopida | |
| ......Healdiidae | |
| RT | microfossils |
| Cavellinidae | |
| SN | Indexed with microfossils if applicable. |
| health | |
|---|---|
| USE | medical geology |
| Heard County Georgia | |
|---|---|
| BT | United States |
| .Georgia | |
| ..Heard County Georgia | |
| Heard Plateau | |
|---|---|
| USE | Kerguelen Plateau |
| Heart Mountain Fault | |
|---|---|
| BT | United States |
| .Wyoming | |
| ..Heart Mountain Fault | |
| SN | NW Wyoming. |
| heat |
|---|
| heat capacity | |
|---|---|
| RT | Kirchhoff integral |
| specific heat | |
| thermal properties | |
| heat conduction | |
|---|---|
| SN | No longer a valid GeoRef index term. Used in subfile N. See heat flow; heat transfer; thermal conductivity. |
| heat content | |
|---|---|
| USE | enthalpy |
| heat flo |
|---|
| heat flow | |
|---|---|
| UF | geothermal surveys |
| temperature methods | |
| thermal surveys | |
| RT | geophysical methods |
| geophysical surveys | |
| geophysics | |
| convection | |
| Earth | |
| conductivity | |
| energy sources | |
| crust | |
| Battle Mountain High | |
| fumaroles | |
| boreholes | |
| boundary conditions | |
| geothermal energy | |
| geothermal gradient | |
| core | |
| heat sources | |
| Curie point | |
| heat pumps | |
| heat flux | |
| hea | |
| SN | Used for the product of the thermal conductivity of a substance and the thermal gradient in the direction of the flow of heat. Before 1972, also search thermal methods. For surveys, also index the area. |
| heat flux | |
|---|---|
| RT | heat flow |
| SN | Heat flow per unit of time. |
| heat pumps | |
|---|---|
| RT | geothermal energy |
| heat flow | |
| heat transfer | |
| SN | Added to Thesaurus in 1985. |
| heat sources | |
|---|---|
| UF | sources, heat |
| RT | mantle |
| volcanism | |
| crust | |
| heat flow | |
| geothermal energy | |
| thermal waters | |
| core | |
| regional patterns | |
| heat storage | |
|---|---|
| UF | thermal energy storage |
| RT | ground water |
| aquifers | |
| energy sources | |
| geothermal fields | |
| new energy sources | |
| geothermal systems | |
| geothermal energy | |
| storage | |
| SN | Added to Thesaurus in 1982. |
| heat transfer | |
|---|---|
| UF | transfer, heat |
| RT | heat flow |
| boiling | |
| Rayleigh number | |
| heating | |
| heat pumps | |
| heat treatment | |
|---|---|
| USE | thermal recovery |
| heat, specific | |
|---|---|
| USE | specific heat |
| Heath Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Mississippian | |
| .....Upper Mississippian | |
| ......Heath Formation | |
| RT | Montana |
| North Dakota | |
| Big Snowy Group | |
| SN | In Big Snowy Group. N central Montana and W North Dakota. Added to Thesaurus in 1989. |
| heating | |
|---|---|
| RT | cooling |
| heat transfer | |
| temperature | |
| SN | Used as a general term. |
| heaving, frost | |
|---|---|
| USE | frost heaving |
| heavy metals | |
|---|---|
| RT | bismuth |
| cadmium | |
| cobalt | |
| copper | |
| gold | |
| iron | |
| lead | |
| manganese | |
| nickel | |
| platinum | |
| pollution | |
| precious metals | |
| silver | |
| tantalum | |
| tellurium | |
| zinc | |
| SN | Includes use for environmental studies. Indexed with individual metals if possible. |
| heavy mineral deposits | |
|---|---|
| RT | garnet deposits |
| heavy minerals | |
| kyanite deposits | |
| monazite deposits | |
| paleoplacers | |
| placers | |
| Prakasam India | |
| stream placers | |
| zircon deposits | |
| SN | Commodity. See List C. |
| heavy minerals | |
|---|---|
| RT | accessory minerals |
| apatite | |
| biotite | |
| cassiterite | |
| heavy mineral deposits | |
| ilmenite | |
| kyanite | |
| light minerals | |
| magnetite | |
| minerals | |
| monazite | |
| nonmagnetic minerals | |
| placers | |
| rutile | |
| sedimentation | |
| sediments | |
| titanite | |
| tourmaline | |
| zircon | |
| SN | See also individual heavy minerals. As of 1981, use heavy mineral deposits for heavy minerals as a commodity. |
| heavy oil | |
|---|---|
| RT | condensates |
| petroleum | |
| heazlewoodite | |
|---|---|
| BT | sulfides |
| .heazlewoodite | |
| HEBBLE | |
|---|---|
| UF | High Energy Benthic Boundary Layer Experiment |
| RT | sedimentation |
| continental rise | |
| oceanography | |
| continental slope | |
| North Atlantic | |
| Atlantic Ocean | |
| ocean circulation | |
| boundary layer | |
| turbulence | |
| turbidity currents | |
| high-energy environment | |
| SN | Acronym. Added to Thesaurus in 1985. |
| Hebei China | |
|---|---|
| BT | Asia |
| .Far East | |
| ..China | |
| ...Hebei China | |
| UF | Hopei China |
| RT | Tangshan China |
| Xingtai earthquake 1966 | |
| Bohai Bay | |
| Huang He | |
| Hutuo Group | |
| Nihewan Formation | |
| Taihang Mountains | |
| Tangshan earthquake 1976 | |
| Wumishan Formation | |
| SN | Province in NE China. |
| Hebgen Lake | |
|---|---|
| BT | United States |
| .Montana | |
| ..Gallatin County Montana | |
| ...Hebgen Lake | |
| RT | Hebgen Lake earthquake 1959 |
| SN | W of Yellowstone National Park in Gallatin County. |
| Hebgen Lake earthquake 1959 | |
|---|---|
| BT | earthquakes |
| .Hebgen Lake earthquake 1959 | |
| RT | Montana |
| Gallatin County Montana | |
| Hebgen Lake | |
| SN | Hebgen Lake, Gallatin County, SW Montana. Also search Hebgen Lake AND earthquakes. Added to Thesaurus in 1989. |
| Hebridean | |
|---|---|
| USE | Lewisian |
| Hebrides | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....Scotland | |
| .....Hebrides | |
| UF | Western Islands |
| RT | Atlantic Ocean Islands |
| SN | Islands in Atlantic Ocean W of Scotland. |
| hebronite | |
|---|---|
| USE | amblygonite |
| Hecla | |
|---|---|
| USE | Hekla |
| Hecla Hoek Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Hecla Hoek Formation | |
| RT | Arctic region |
| Spitsbergen Island | |
| Spitsbergen | |
| SN | Spitsbergen Island. |
| Hector Formation | |
|---|---|
| RT | Alberta |
| California | |
| Miocene | |
| Mojave Desert | |
| Oligocene | |
| Precambrian | |
| Tertiary | |
| SN | Precambrian formation in Alberta and Tertiary formation in the Mojave Desert area, S California. Indexed with ages as applicable. |
| hectorite | |
|---|---|
| BT | silicates |
| .sheet silicates | |
| ..clay minerals | |
| ...hectorite | |
| Hedbergella | |
|---|---|
| BT | Invertebrata |
| .Protista | |
| ..Foraminifera | |
| ...Rotaliina | |
| ....Globigerinacea | |
| .....Hedbergella | |
| RT | microfossils |
| SN | Genus. Indexed with microfossils if applicable. |
| hedenbergite | |
|---|---|
| BT | silicates |
| .chain silicates | |
| ..pyroxene group | |
| ...clinopyroxene | |
| ....hedenbergite | |
| Hedjaz Meteorite | |
|---|---|
| BT | meteorites |
| .stony meteorites | |
| ..chondrites | |
| ...L chondrites | |
| ....Hedjaz Meteorite | |
| RT | Hejaz Saudi Arabia |
| SN | Impact at Et-Tlahi, Saudi Arabia. Added to Thesaurus in 1989. |
| hedleyite | |
|---|---|
| BT | tellurides |
| .hedleyite | |
| BT | alloys |
| .hedleyite | |
| SN | This term has multiple hierarchies. |
| Heemskirk Granite | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Heemskirk Granite | |
| RT | Australia |
| Tasmania Australia | |
| SN | W Tasmania. |
| Hegau | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...Baden-Wurttemberg Germany | |
| ....Hegau | |
| SN | Region in SW Germany. |
| Heidelberg Germany | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...Baden-Wurttemberg Germany | |
| ....Heidelberg Germany | |
| SN | City on Neckar River in NW Baden-Wurttemberg. |
| Heilongjiang China | |
|---|---|
| BT | Asia |
| .Far East | |
| ..China | |
| ...Heilongjiang China | |
| UF | Heilungjiang China |
| RT | Amur River |
| Tancheng-Lujiang fault zone | |
| Da Hinggan Ling | |
| Khanka Lake | |
| SN | Province in NE China. |
| Heilungjiang China | |
|---|---|
| USE | Heilongjiang China |
| Heimaey | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Iceland | |
| ...Vestmannaeyjar | |
| ....Heimaey | |
| SN | Island a few miles off S Iceland. Largest of Vestmannaeyjar group. |
| Heinrich events | |
|---|---|
| RT | debris |
| deglaciation | |
| deposition | |
| event stratigraphy | |
| glacial geology | |
| glacial sedimentation | |
| glaciomarine sedimentation | |
| ice rafting | |
| late-glacial environment | |
| marine sediments | |
| SN | Record rapid depositional episodes of melting continental ice sheets and resulting icebergs in ice rafted debris of marine sediments. Identified in the Quaternary North Atlantic. |
| heintzite | |
|---|---|
| USE | kaliborite |
| Hejaz Saudi Arabia | |
|---|---|
| BT | Asia |
| .Arabian Peninsula | |
| ..Saudi Arabia | |
| ...Hejaz Saudi Arabia | |
| RT | Hedjaz Meteorite |
| SN | Province in W Saudi Arabia. |
| Hekla | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Iceland | |
| ...Hekla | |
| UF | Hecla |
| RT | volcanoes |
| SN | Volcano in SW Iceland. |
| Helderberg Group | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Lower Devonian | |
| .....Helderberg Group | |
| RT | Virginia |
| Pennsylvania | |
| New York | |
| Maryland | |
| West Virginia | |
| Keyser Limestone | |
| Coeymans Formation | |
| Manlius Formation | |
| SN | Includes Coeymans Formation, New Scotland Limestone, Mandata Shale, Becraft Limestone, Port Ewen Shale, Keyser Limestone, Port Jervis Limestone, Licking Creek Limestone, Alsen, Kalkberg, Manlius. New York, E Pennsylvania, W Maryland, Western Virginia, and |
| Helderbergian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Lower Devonian | |
| .....Helderbergian | |
| SN | North America. Above Upper Silurian, below Deerparkian. |
| Helena Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Proterozoic | |
| ...Mesoproterozoic | |
| ....Helena Formation | |
| UF | Siyeh Formation |
| RT | Montana |
| Belt Supergroup | |
| SN | In Belt Supergroup. W central Montana. Added to Thesaurus in 1989. |
| Helena Montana | |
|---|---|
| BT | United States |
| .Montana | |
| ..Lewis and Clark County Montana | |
| ...Helena Montana | |
| SN | City in W Montana. |
| Helgoland | |
|---|---|
| BT | hleswig-Holstein Germany |
| .Helgoland | |
| RT | North Sea |
| SN | Island in North Sea 28 miles off mainland. |
| Helicoplacoidea | |
|---|---|
| BT | Invertebrata |
| .Echinodermata | |
| ..Echinozoa | |
| ...Helicoplacoidea | |
| Helicopontosphaera | |
|---|---|
| BT | Plantae |
| .algae | |
| ..nannofossils | |
| ...Helicopontosphaera | |
| RT | microfossils |
| SN | Indexed with microfossils if applicable. |
| helicopter methods | |
|---|---|
| RT | geophysical methods |
| geophysical surveys | |
| methods | |
| remote sensing | |
| SN | Added to Thesaurus in 1981. |
| Helikian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Proterozoic | |
| ...Mesoproterozoic | |
| ....Helikian | |
| RT | Martin Formation |
| SN | North America. |
| Heliolites | |
|---|---|
| BT | liolitidae |
| .Heliolites | |
| SN | Genus. |
| Heliolitidae | |
|---|---|
| BT | Invertebrata |
| .Coelenterata | |
| ..Anthozoa | |
| ...Zoantharia | |
| ....Tabulata | |
| .....Heliolitidae | |
| SN | Family. |
| helium | |
|---|---|
| BT | noble gases |
| .helium | |
| NT | He-3 |
| He-4 | |
| He-4/He-3 | |
| UF | He |
| RT | He/He |
| isotopes | |
| helium gas | |
| U/He | |
| SN | Chemical element. Use helium gas for helium as a commodity. |
| helium gas | |
|---|---|
| RT | helium |
| SN | Commodity. See List C. |
| Hell Creek Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Hell Creek Formation | |
| RT | Montana |
| North Dakota | |
| South Dakota | |
| SN | Includes Bull Creek Sand, Isabel-Firesteal Coal Member. E, N, and central S Montana; SW North Dakota; and NW and N South Dakota. |
| Hell's Canyon | |
|---|---|
| USE | Snake River canyon |
| Hellenic Arc | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Greece | |
| ...Hellenic Arc | |
| RT | Greek Aegean Islands |
| Peloponnesus Greece | |
| Mediterranean Sea | |
| Crete | |
| Hellenic Trench | |
| Rhodes | |
| SN | Island arc from Peloponnesus to Rhodes. Added to Thesaurus in 1985. |
| Hellenic Trench | |
|---|---|
| BT | Mediterranean Sea |
| .Hellenic Trench | |
| RT | East Mediterranean |
| Leg 13 | |
| Hellenic Arc | |
| DSDP Site 127 | |
| SN | S of Hellenic Arc. Added to Thesaurus in 1985. |
| Hellenides | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Greece | |
| ...Hellenides | |
| RT | Alps |
| Peloponnesus Greece | |
| Crete | |
| Pindus Mountains | |
| SN | Deep rooted mountain chain of Greece which is part of the Alpine orogenic belt. Bordered by Rhodope Mountains in N Greece. |
| Helmholtz free energy | |
|---|---|
| USE | free energy |
| Helmstedt Germany | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...Lower Saxony Germany | |
| ....Helmstedt Germany | |
| SN | City near Saxony-Anhalt border in E Lower Saxony. |
| Helsingborg | |
|---|---|
| USE | Halsingborg Sweden |
| Helsingfors Finland | |
|---|---|
| USE | Helsinki Finland |
| Helsingor Denmark | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Scandinavia | |
| ...Denmark | |
| ....Helsingor Denmark | |
| SN | City on the Oresund N of Copenhagen. |
| Helsinki Finland | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Scandinavia | |
| ...Finland | |
| ....Southern Finland Province | |
| .....Helsinki Finland | |
| UF | Helsingfors Finland |
| SN | Capital city and its surrounding region, S Finland. |
| Helvetian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Miocene | |
| .....middle Miocene | |
| ......Helvetian | |
| RT | Tortonian |
| SN | Europe. |
| helvine | |
|---|---|
| USE | helvite |
| helvite | |
|---|---|
| BT | sulfides |
| .helvite | |
| BT | silicates |
| .framework silicates | |
| ..helvite | |
| UF | helvine |
| RT | genthelvite |
| SN | This term has multiple hierarchies. |
| hematite | |
|---|---|
| BT | oxides |
| .hematite | |
| RT | iron ores |
| iron oxides | |
| ocher | |
| iron | |
| iron minerals | |
| martite | |
| specularite | |
| SN | Before 1981, included use as a commodity term under iron. As of 1981, may be used as a commodity term with iron ores. |
| hemihedrite | |
|---|---|
| BT | chromates |
| .hemihedrite | |
| hemimorphite | |
|---|---|
| BT | silicates |
| .orthosilicates | |
| ..sorosilicates | |
| ...hemimorphite | |
| RT | zinc ores |
| Hemingfordian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Miocene | |
| .....lower Miocene | |
| ......Hemingfordian | |
| RT | Kirkwood Formation |
| hemipelagic environment | |
|---|---|
| BT | marine environment |
| .hemipelagic environment | |
| RT | sedimentation |
| deep-sea environment | |
| oceanography | |
| ecology | |
| paleoecology | |
| depositional environment | |
| continental slope | |
| deep-water environment | |
| terrigenous materials | |
| pelagic environment | |
| slope environment | |
| SN | Added to Thesaurus in 1985. |
| Hemiptera | |
|---|---|
| BT | Invertebrata |
| .Arthropoda | |
| ..Mandibulata | |
| ...Insecta | |
| ....Pterygota | |
| .....Neoptera | |
| ......Exopterygota | |
| .......Hemiptera | |
| UF | Hemipteroida |
| SN | Order. Also search Hemipteroida. |
| Hemipteroida | |
|---|---|
| USE | Hemiptera |
| Hemlo Deposit | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Ontario | |
| ...Hemlo Deposit | |
| RT | Canadian Shield |
| gold ores | |
| SN | Gold ores. Canadian Shield of Ontario. |
| Hemlock Conglomerate | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Oligocene | |
| .....Hemlock Conglomerate | |
| RT | Alaska |
| Kenai Group | |
| SN | In Kenai Group. S Alaska. Before 1989, also search Hemlock Formation AND Alaska. Added to Thesaurus in 1989. |
| Hemlock Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Proterozoic | |
| ...Paleoproterozoic | |
| ....Hemlock Formation | |
| RT | Wisconsin |
| Michigan | |
| Baraga Group | |
| SN | In Baraga Group. Paleoproterozoic. N Michigan and N Wisconsin. Before 1989, was sometimes used for Hemlock Conglomerate in Alaska. Added to Thesaurus in 1989. |
| Hemphill County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Hemphill County Texas | |
| Hemphillian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Hemphillian | |
| RT | lower Pliocene |
| upper Miocene | |
| SN | Upper Miocene to lower Pliocene. Above Clarendonian, below Blancan. Indexed with ages as applicable. |
| Hempstead County Arkansas | |
|---|---|
| BT | United States |
| .Arkansas | |
| ..Hempstead County Arkansas | |
| Henan China | |
|---|---|
| BT | Asia |
| .Far East | |
| ..China | |
| ...Henan China | |
| UF | Henan Sheng China |
| Honan China | |
| RT | Dabie Mountains |
| Taiyuan Formation | |
| Benxi Formation | |
| Dongpu Depression | |
| Huang He | |
| Luoquan Formation | |
| Taihua Group | |
| SN | Province, South-Central China. |
| Henan Sheng China | |
|---|---|
| USE | Henan China |
| Henbury Meteorite | |
|---|---|
| BT | meteorites |
| .iron meteorites | |
| ..octahedrite | |
| ...Henbury Meteorite | |
| RT | Australia |
| Northern Territory Australia | |
| SN | Impact in Northern Territory. Before 1981, also search Henbury AND meteorites. Added to Thesaurus in 1981. |
| Henderson County Illinois | |
|---|---|
| BT | United States |
| .Illinois | |
| ..Henderson County Illinois | |
| SN | W Illinois. |
| Henderson County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Henderson County Kentucky | |
| SN | W Kentucky. |
| Henderson County North Carolina | |
|---|---|
| BT | United States |
| .North Carolina | |
| ..Henderson County North Carolina | |
| SN | W North Carolina. |
| Henderson County Tennessee | |
|---|---|
| BT | United States |
| .Tennessee | |
| ..Henderson County Tennessee | |
| SN | W Tennessee. |
| Henderson County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Henderson County Texas | |
| SN | E Texas. |
| Henderson Gneiss | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...lower Paleozoic | |
| ....Henderson Gneiss | |
| RT | Cambrian |
| Ordovician | |
| Silurian | |
| Devonian | |
| South Carolina | |
| North Carolina | |
| SN | W North Carolina and NW South Carolina. Indexed with ages as applicable. Added to Thesaurus in 1989. |
| Henderson Mine | |
|---|---|
| RT | Chibougamau Quebec |
| Clear Creek County Colorado | |
| Colorado | |
| mines | |
| molybdenum ores | |
| Ontario | |
| polymetallic ores | |
| Quebec | |
| talc deposits | |
| SN | Molybdenum ores in Clear Creek County, Colorado. Polymetallic ores in region near Chibougamau, Quebec. Talc deposits near Madoc, Ontario. Indexed with commodity AND (Clear Creek County Colorado or Quebec or Ontario or other location) as applicable. Added |
| Hendricks County Indiana | |
|---|---|
| BT | Indiana |
| .Hendricks County Indiana | |
| Hendry County Florida | |
|---|---|
| BT | United States |
| .Florida | |
| ..Hendry County Florida | |
| SN | SW of Lake Okeechobee in S Florida. |
| Hengchun Peninsula | |
|---|---|
| BT | Asia |
| .Far East | |
| ..Taiwan | |
| ...Hengchun Peninsula | |
| SN | Extreme S Taiwan. Added to Thesaurus in 1989. |
| Hennepin County Minnesota | |
|---|---|
| BT | United States |
| .Minnesota | |
| ..Hennepin County Minnesota | |
| SN | E Minnesota. |
| Hennessey Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Permian | |
| ....Hennessey Formation | |
| RT | Oklahoma |
| SN | Overlies Wichita Group and underlies Duncan Sandstone, or Flowerpot Shale, where the Duncan is absent. Central and SW Oklahoma. |
| Henrico County Virginia | |
|---|---|
| BT | United States |
| .Virginia | |
| ..Henrico County Virginia | |
| RT | Richmond Virginia |
| SN | E central Virginia. Also search Richmond Virginia if applicable. |
| Henry County Alabama | |
|---|---|
| BT | United States |
| .Alabama | |
| ..Henry County Alabama | |
| SN | SE Alabama. |
| Henry County Georgia | |
|---|---|
| BT | United States |
| .Georgia | |
| ..Henry County Georgia | |
| SN | N central Georgia. |
| Henry County Illinois | |
|---|---|
| BT | United States |
| .Illinois | |
| ..Henry County Illinois | |
| SN | NW Illinois. |
| Henry County Indiana | |
|---|---|
| BT | Indiana |
| .Henry County Indiana | |
| SN | E Indiana. |
| Henry County Iowa | |
|---|---|
| BT | United States |
| .Iowa | |
| ..Henry County Iowa | |
| SN | SE Iowa. |
| Henry County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Henry County Kentucky | |
| SN | N Kentucky. |
| Henry County Missouri | |
|---|---|
| BT | United States |
| .Missouri | |
| ..Henry County Missouri | |
| SN | W central Missouri. |
| Henry County Ohio | |
|---|---|
| BT | United States |
| .Ohio | |
| ..Henry County Ohio | |
| SN | NW Ohio. |
| Henry County Tennessee | |
|---|---|
| BT | United States |
| .Tennessee | |
| ..Henry County Tennessee | |
| SN | NW Tennessee. |
| Henry County Virginia | |
|---|---|
| BT | United States |
| .Virginia | |
| ..Henry County Virginia | |
| SN | S Virginia. Also search Martinsville Virginia if applicable. |
| Henry Mountains | |
|---|---|
| BT | United States |
| .Utah | |
| ..Henry Mountains | |
| RT | Garfield County Utah |
| Wayne County Utah | |
| SN | Garfield and Wayne counties, S central Utah. Indexed with counties and mountain ranges as applicable. |
| Henry's law | |
|---|---|
| RT | absorption |
| concentration | |
| equations | |
| fugacity | |
| gaseous phase | |
| gases | |
| geochemistry | |
| liquid phase | |
| partial pressure | |
| partitioning | |
| solubility | |
| Henryhouse Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Silurian | |
| ....Henryhouse Formation | |
| RT | Oklahoma |
| Hunton Group | |
| SN | S central Oklahoma. Added to Thesaurus in 1989. |
| Hepaticae | |
|---|---|
| BT | Plantae |
| .Bryophyta | |
| ..Hepaticae | |
| Herault France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Herault France | |
| RT | Cevennes |
| impact features | |
| SN | Department in S France. |
| herbicides | |
|---|---|
| BT | pesticides |
| .herbicides | |
| NT | alachlor |
| bentazon | |
| metolachlor | |
| triazines | |
| RT | environmental geology |
| agrochemicals | |
| waste disposal | |
| pollutants | |
| pentachlorophenol | |
| SN | Added to Thesaurus in 1993. |
| herbivores | |
|---|---|
| USE | herbivorous taxa |
| herbivorous taxa | |
|---|---|
| UF | herbivores |
| RT | ecology |
| paleoecology | |
| ecosystems | |
| carnivorous taxa | |
| feeding | |
| grasslands | |
| SN | Added to Thesaurus in 1993. |
| Hercegovina | |
|---|---|
| USE | Herzegovina |
| Hercinico Centro | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Hercinico Centro | |
| SN | Added to Thesaurus in 1981. |
| Hercinico Sur | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Hercinico Sur | |
| SN | Added to Thesaurus in 1981. |
| Hercoglossa danica | |
|---|---|
| BT | Invertebrata |
| .Mollusca | |
| ..Cephalopoda | |
| ...Tetrabranchiata | |
| ....Nautiloidea | |
| .....Hercoglossa danica | |
| Hercynian | |
|---|---|
| SN | A valid index term through 1977. After 1977, use Hercynian Orogeny. |
| Hercynian Geosyncline | |
|---|---|
| RT | geosynclines |
| Hercynian Orogeny | |
| SN | Before 1978, search geosynclines AND Hercynian. |
| Hercynian Orogeny | |
|---|---|
| UF | Abean Orogeny |
| Variscan Orogeny | |
| RT | Lower Triassic |
| Devonian | |
| Carboniferous | |
| Permian | |
| orogeny | |
| tectonics | |
| Europe | |
| Asturian Orogeny | |
| Rhenohercynian | |
| Hercynian Geosyncline | |
| Saalian Phase | |
| Saxothuringian | |
| Variscides | |
| SN | Devonian-Lower Triassic. Also search orogeny AND Hercynian; Variscan; Abean. Indexed with ages as applicable. |
| Hercynides | |
|---|---|
| USE | Variscides |
| hercynite | |
|---|---|
| BT | oxides |
| .hercynite | |
| UF | ferrospinel |
| iron spinel | |
| RT | spinel group |
| herderite | |
|---|---|
| BT | phosphates |
| .herderite | |
| Herja | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Romania | |
| ...Transylvania | |
| ....Maramures Romania | |
| .....Herja | |
| SN | Mining region in Maramures County in N Transylvania. |
| Herkimer County New York | |
|---|---|
| BT | United States |
| .New York | |
| ..Herkimer County New York | |
| SN | Central and N central New York. |
| hermatypic taxa | |
|---|---|
| UF | taxa, hermatypic |
| RT | ahermatypic taxa |
| Coelenterata | |
| reef builders | |
| reefs | |
| SN | Before 1978, also search hermatypic. |
| Hermosa Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Pennsylvanian | |
| .....Middle Pennsylvanian | |
| ......Hermosa Formation | |
| RT | New Mexico |
| Utah | |
| Colorado | |
| Arizona | |
| Honaker Trail Formation | |
| Paradox Member | |
| SN | Middle Pennsylvanian of Arizona, Colorado, New Mexico and Utah. Added to Thesaurus in 1985. |
| Hernando County Florida | |
|---|---|
| BT | United States |
| .Florida | |
| ..Hernando County Florida | |
| Heron Island | |
|---|---|
| RT | Queensland Australia |
| SN | Largest of Capricorn Islands in Coral Sea 40 miles off SE coast. Indexed with state or region as applicable. |
| Herrin Coal Member | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Pennsylvanian | |
| .....Herrin Coal Member | |
| UF | Herrin No. 6 Coal |
| RT | Illinois |
| Carbondale Formation | |
| SN | Of Carbondale Formation. Added to Thesaurus in 1985. |
| Herrin No. 6 Coal | |
|---|---|
| USE | Herrin Coal Member |
| Hertford County North Carolina | |
|---|---|
| BT | United States |
| .North Carolina | |
| ..Hertford County North Carolina | |
| Hertfordshire England | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....England | |
| .....Hertfordshire England | |
| SN | SE England. |
| hervidero | |
|---|---|
| USE | mud volcanoes |
| Herzegovina | |
|---|---|
| BT | snia-Herzegovina |
| .Herzegovina | |
| UF | Hercegovina |
| SN | Region in N Bosnia-Herzegovina. |
| herzenbergite | |
|---|---|
| BT | sulfides |
| .herzenbergite | |
| UF | kolbeckine |
| Hesperian | |
|---|---|
| RT | Mars |
| SN | Intermediate system of three in the Martian stratigraphic column. Added to Thesaurus in 1993. |
| Hess Deep | |
|---|---|
| BT | Pacific Ocean |
| .North Pacific | |
| ..Northeast Pacific | |
| ...Hess Deep | |
| BT | Pacific Ocean |
| .Equatorial Pacific | |
| ..Hess Deep | |
| RT | Galapagos Rift |
| East Pacific Rise | |
| Leg 147 | |
| ODP Site 894 | |
| ODP Site 895 | |
| SN | 5400 meter-deep rift valley near the triple junction of the Pacific-Cocos-Nazca Ridge, E Equatorial Pacific. This term has multiple hierarchies. |
| Hess Mountains | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Yukon Territory | |
| ...Hess Mountains | |
| SN | E central Yukon Territory. |
| Hess Rise | |
|---|---|
| BT | Pacific Ocean |
| .North Pacific | |
| ..Northwest Pacific | |
| ...Hess Rise | |
| RT | DSDP Site 310 |
| Leg 62 | |
| DSDP Site 464 | |
| DSDP Site 465 | |
| DSDP Site 466 | |
| SN | N central Pacific Ocean. This term has multiple hierarchies. Added to Thesaurus in 1985. |
| Hesse | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...Hesse | |
| RT | Hesse Germany |
| SN | Region in central Germany, comprising the state of Hesse and the former Prussian province of Hesse-Nassau. As of 1993, use Hesse Germany for the state. |
| Hesse Basin | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...Hesse Basin | |
| SN | Between Kassel and Wetterau. Added to Thesaurus in 1981. |
| Hessen | |
|---|---|
| SN | Not a valid term for GeoRef. See Hesse Germany or Hesse. |
| hessite | |
|---|---|
| BT | tellurides |
| .hessite | |
| heterochrony | |
|---|---|
| USE | diachronism |
| Heterocorallia | |
|---|---|
| BT | Invertebrata |
| .Coelenterata | |
| ..Anthozoa | |
| ...Zoantharia | |
| ....Heterocorallia | |
| SN | Order. |
| heterogeneity | |
|---|---|
| UF | inhomogeneity |
| RT | seismology |
| self-similarity | |
| homogeneity | |
| SN | Added to Thesaurus in 1981. |
| heterogeneous materials | |
|---|---|
| RT | homogeneous materials |
| materials | |
| SN | Before 1978, search heterogeneous. |
| heterogenite | |
|---|---|
| BT | oxides |
| .heterogenite | |
| UF | stainierite |
| Heterohelicidae | |
|---|---|
| BT | Invertebrata |
| .Protista | |
| ..Foraminifera | |
| ...Rotaliina | |
| ....Globigerinacea | |
| .....Heterohelicidae | |
| RT | microfossils |
| SN | Family. Indexed with microfossils if applicable. |
| heteromorphic taxa | |
|---|---|
| UF | heteromorphs |
| taxa, heteromorphic | |
| RT | taxonomy |
| heteromorphite | |
|---|---|
| BT | sulfosalts |
| .sulfantimonites | |
| ..heteromorphite | |
| heteromorphs | |
|---|---|
| USE | heteromorphic taxa |
| Heteroptera | |
|---|---|
| BT | miptera |
| .Heteroptera | |
| SN | Suborder. |
| Heterostegina | |
|---|---|
| BT | Invertebrata |
| .Protista | |
| ..Foraminifera | |
| ...Rotaliina | |
| ....Rotaliacea | |
| .....Heterostegina | |
| RT | microfossils |
| Nummulitidae | |
| SN | Indexed with microfossils if applicable. |
| Heterostegina depressa | |
|---|---|
| BT | terostegina |
| .Heterostegina depressa | |
| RT | microfossils |
| SN | Indexed with microfossils if applicable. |
| Heterostraci | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Agnatha | |
| ...Heterostraci | |
| RT | Pisces |
| SN | Order. |
| Hettangian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....Lower Jurassic | |
| .....Hettangian | |
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....Lower Jurassic | |
| .....lower Liassic | |
| ......Hettangian | |
| SN | Europe. Above Rhaetian (Triassic), below Sinemurian. |
| Hettinger County North Dakota | |
|---|---|
| BT | United States |
| .North Dakota | |
| ..Hettinger County North Dakota | |
| heulandite | |
|---|---|
| BT | silicates |
| .framework silicates | |
| ..zeolite group | |
| ...heulandite | |
| RT | clinoptilolite |
| hexachlorobenzene | |
|---|---|
| BT | organic compounds |
| .halogenated hydrocarbons | |
| ..chlorinated hydrocarbons | |
| ...hexachlorobenzene | |
| UF | perchlorobenzene |
| RT | agrochemicals |
| chlorobenzene | |
| pollutants | |
| toxic materials | |
| aromatic hydrocarbons | |
| benzene | |
| SN | Used in organic synthesis, as a seed fungicide and wood preservative. |
| Hexacorallia | |
|---|---|
| USE | Scleractinia |
| Hexactinellida | |
|---|---|
| BT | Invertebrata |
| .Porifera | |
| ..Hexactinellida | |
| SN | Class. Before 1998, also search Hyalospongea. |
| Hexactiniaria | |
|---|---|
| BT | Invertebrata |
| .Coelenterata | |
| ..Anthozoa | |
| ...Zoantharia | |
| ....Hexactiniaria | |
| hexagonal system | |
|---|---|
| BT | crystal systems |
| .hexagonal system | |
| RT | crystallography |
| SN | Before 1985, also search hexagonal. Added to Thesaurus in 1985. |
| hexahedrite | |
|---|---|
| BT | meteorites |
| .iron meteorites | |
| ..hexahedrite | |
| UF | hexahedrites |
| SN | Added to Thesaurus in 1981. |
| hexahedrites | |
|---|---|
| USE | hexahedrite |
| hexahydrite | |
|---|---|
| BT | sulfates |
| .hexahydrite | |
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