SEDIS - Thesaurus
Re  | |
|---|---|
| USE | rhenium |
| RT | sedimentation |
| Re/Os | |
|---|---|
| UF | Os/Re |
| RT | absolute age |
| isotope ratios | |
| osmium | |
| rhenium | |
| SN | Isotopic ratio used in age determination. Added to Thesaurus in 1989. |
| reabsorption | |
|---|---|
| USE | resorption |
| reaction rims | |
|---|---|
| UF | kelyphytic rims |
| RT | minerals |
| magmas | |
| phase equilibria | |
| crystallography | |
| mineralogy | |
| crystal chemistry | |
| fractional crystallization | |
| chemical reactions | |
| crystal growth | |
| crystal zoning | |
| crystals | |
| crystallization | |
| magmatic differentiation | |
| petrography | |
| SN | Before 1993, also search coronas and petrology. Added to Thesaurus in 1982. |
| reactions | |
|---|---|
| SN | As of 1993, no longer a valid term for GeoRef. See chemical reactions. |
| reactivation | |
|---|---|
| RT | displacements |
| faults | |
| neotectonics | |
| reactivity | |
|---|---|
| RT | activity |
| analysis | |
| behavior | |
| chemical reactions | |
| pH | |
| properties | |
| rates | |
| geochemistry | |
| sensitivity analysis | |
| SN | Chemical property. |
| Read Bay Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Read Bay Formation | |
| RT | Silurian |
| Lower Devonian | |
| Canada | |
| Franklin District Northwest Territories | |
| Northwest Territories | |
| Cornwallis Island | |
| SN | Middle Silurian to Lower Devonian. Cornwallis Island in Franklin District. Indexed with ages as applicable. |
| Reading Pennsylvania | |
|---|---|
| BT | United States |
| .Pennsylvania | |
| ..Berks County Pennsylvania | |
| ...Reading Pennsylvania | |
| SN | City in SE central Pennsylvania. |
| Reading Prong | |
|---|---|
| BT | United States |
| .Reading Prong | |
| RT | Appalachians |
| Pennsylvania | |
| New York | |
| New Jersey | |
| Central Appalachians | |
| SN | Precambrian metamorphic terrane, Central Appalachians. Indexed with states as applicable. Added to Thesaurus in 1985. |
| readsorption | |
|---|---|
| USE | resorption |
| Reagan County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Reagan County Texas | |
| Reagan Sandstone | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Cambrian | |
| ....Upper Cambrian | |
| .....Reagan Sandstone | |
| RT | Oklahoma |
| Timbered Hills Group | |
| SN | In Timbered Hills Group. Central S Oklahoma. |
| reagents | |
|---|---|
| RT | buffers |
| geochemistry | |
| solutions | |
| solvents | |
| SN | In general, use this term, and not names of specific reagents, when chemical reagents are discussed. |
| Real County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Real County Texas | |
| realgar | |
|---|---|
| BT | sulfides |
| .realgar | |
| UF | red arsenic |
| red orpiment | |
| sandarac | |
| Reasi | |
|---|---|
| USE | Riasi |
| rebound | |
|---|---|
| SN | As of 1993, see isostatic rebound, glacial rebound, uplifts or elastic properties if applicable. |
| Recent | |
|---|---|
| USE | Holocene |
| recent deformation | |
|---|---|
| SN | Used in subfiles G and N. See deformation; neotectonics. |
| Receptaculitaceae | |
|---|---|
| BT | Plantae |
| .algae | |
| ..Chlorophyta | |
| ...Chlorophyceae | |
| ....Receptaculitaceae | |
| RT | microfossils |
| Coelenterata | |
| Foraminifera | |
| Echinodermata | |
| problematic fossils | |
| Porifera | |
| SN | Indexed with microfossils if applicable. |
| Rechitsa Belarus | |
|---|---|
| BT | Europe |
| .Belarus | |
| ..Rechitsa Belarus | |
| SN | City in Gomel Oblast in S Belarus. This term has multiple hierarchies. |
| Recife-Joao Pessoa | |
|---|---|
| BT | South America |
| .Brazil | |
| ..Recife-Joao Pessoa | |
| RT | Pernambuco Brazil |
| Paraiba Brazil | |
| SN | Two city region in neighboring states in NE Brazil. Recife is in Pernambuco and Joao Pessoa is in Paraiba. |
| Recita Romania | |
|---|---|
| USE | Resita Romania |
| reclamation | |
|---|---|
| NT | bioreclamation |
| UF | land reclamation |
| RT | abandoned mines |
| abandoned oil wells | |
| environmental geology | |
| conservation | |
| environmental analysis | |
| artificial islands | |
| basin management | |
| biodegradation | |
| bioremediation | |
| decontamination | |
| disposal barriers | |
| deforestation | |
| depletion | |
| constructed wetlands | |
| impact statement | |
| SN | Used for geological studies on the reclamation of the natural environment. |
| reclined | |
|---|---|
| SN | A valid term through 1976. After 1976, use recumbent folds. |
| reclined folds | |
|---|---|
| USE | recumbent folds |
| Reconcavo Basin | |
|---|---|
| BT | South America |
| .Brazil | |
| ..Bahia Brazil | |
| ...Reconcavo Basin | |
| SN | Fertile coastal lowland surrounding Todos os Santos Bay W of Salvador. Also search Reconcavo. |
| reconstruction | |
|---|---|
| RT | balanced cross sections |
| continental drift | |
| decompaction | |
| paleogeography | |
| recording | |
|---|---|
| SN | A valid general term through 1976. |
| recovery | |
|---|---|
| RT | enhanced recovery |
| mining | |
| mining geology | |
| reclamation | |
| retorting | |
| secondary recovery | |
| tertiary recovery | |
| thermal recovery | |
| water recovery | |
| well stimulation | |
| SN | General term. Use secondary or tertiary recovery for petroleum if applicable. |
| recreation | |
|---|---|
| RT | land use |
| soils | |
| recrystallization | |
|---|---|
| RT | authigenesis |
| crystallization | |
| deformation | |
| grains | |
| lithification | |
| metamorphism | |
| phyllonitization | |
| rectorite | |
|---|---|
| BT | silicates |
| .sheet silicates | |
| ..clay minerals | |
| ...rectorite | |
| UF | allevardite |
| recumbent | |
|---|---|
| SN | A valid term through 1977. After 1977, use recumbent folds. |
| recumbent folds | |
|---|---|
| BT | folds |
| .recumbent folds | |
| UF | reclined folds |
| RT | nappes |
| orientation | |
| SN | Before 1978, search folds AND (recumbent OR reclined). |
| recurrence interval | |
|---|---|
| RT | floods |
| frequency | |
| geologic hazards | |
| periodicity | |
| risk assessment | |
| SN | Also search frequency and floods. Added to Thesaurus in 1998. |
| recursive filte |
|---|
| recursive filters | |
|---|---|
| RT | filters |
| Kalman filters | |
| SN | Added to Thesaurus in 1981. |
| recycling | |
|---|---|
| RT | economic geology |
| economics | |
| environmental geology | |
| reclamation | |
| SN | Added to Thesaurus in 1981. |
| red algae | |
|---|---|
| USE | Rhodophyta |
| red arsenic | |
|---|---|
| USE | realgar |
| red beds | |
|---|---|
| BT | sedimentary rocks |
| .clastic rocks | |
| ..red beds | |
| UF | red rock |
| redbeds | |
| RT | sandstone |
| terrigenous materials | |
| ferruginous composition | |
| Red Deer River | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Alberta | |
| ...Red Deer River | |
| RT | Red Deer River valley |
| SN | Rises in Banff National Park and flows into South Saskatchewan River near the Saskatchewan border. |
| Red Deer River valley | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Alberta | |
| ...Red Deer River valley | |
| UF | Red Deer Valley |
| RT | Red Deer River |
| SN | S Alberta. Added to Thesaurus in 1989. |
| Red Deer Valley | |
|---|---|
| USE | Red Deer River valley |
| Red Des |
|---|
| Red Desert | |
|---|---|
| RT | Great Divide Basin |
| Sweetwater County Wyoming | |
| U. S. Rocky Mountains | |
| SN | SW Wyoming. Indexed with counties or regions as applicable. Added to Thesaurus in 1985. |
| Red Eagle Limestone | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Permian | |
| ....Red Eagle Limestone | |
| RT | Missouri |
| Oklahoma | |
| Nebraska | |
| Kansas | |
| Council Grove Group | |
| SN | In Council Grove Group. Includes Glenrock Limestone Member, Bennett Shale Member, Howe Limestone Member. |
| Red Fork Sandstone | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Pennsylvanian | |
| .....Red Fork Sandstone | |
| RT | Oklahoma |
| SN | Said to lie higher than Glenn Sand, lower than Skinner Sand. NE Oklahoma. |
| Red Hill | |
|---|---|
| RT | Haleakala |
| Hawaii | |
| Maui | |
| California | |
| New Mexico | |
| Scotland | |
| Utah | |
| Western Australia | |
| Wyoming | |
| SN | Mountain in Haleakala National Park on Maui Island. Also hills or mountains in SW Utah, Scotland, and other locations. As of 1993, use Red Hill Mine for the turquoise mine in the White Signal District of New Mexico and also for the mines in California and |
| Red Lake | |
|---|---|
| RT | Beltrami County Minnesota |
| Ontario | |
| SN | In Beltrami County, N Minnesota. Includes both Upper Red Lake and Lower Red Lake. Also in Ontario and other locations. Indexed with county or region as applicable. |
| Red Lake County Minnesota | |
|---|---|
| BT | United States |
| .Minnesota | |
| ..Red Lake County Minnesota | |
| Red Mountain | |
|---|---|
| RT | Alabama |
| alunite | |
| Jefferson County Alabama | |
| Colorado | |
| sulfur deposits | |
| SN | Ridge primarily in Jefferson County, N central Alabama. Also large alunite deposit near Lake City, Colorado. Also in other locations. Indexed with county or region and mountains as applicable. |
| Red Mountain Formation | |
|---|---|
| RT | Alabama |
| Georgia | |
| Queensland Australia | |
| Silurian | |
| Tertiary | |
| SN | Overlies Chickamauga Group; underlies Frog Mountain Sandstone. N Alabama, and NW Georgia. Also occurs as a Tertiary formation in Queensland Australia. May also occur in other locations. Indexed with age or ages as applicable. |
| red orpiment | |
|---|---|
| USE | realgar |
| Red Peak Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Triassic | |
| ....Red Peak Formation | |
| RT | Wyoming |
| Chugwater Formation | |
| SN | In Chugwater Formation. NW Wyoming. |
| Red River | |
|---|---|
| RT | Arkansas |
| Louisiana | |
| Manitoba | |
| Minnesota | |
| North America | |
| North Dakota | |
| Oklahoma | |
| New Mexico | |
| Red River valley | |
| South Dakota | |
| Texas | |
| SN | A southern tributary of the Mississippi River, rising in E New Mexico. Also a river rising in Manitoba and flowing into the Minnesota River. Also several other North American rivers. Search in combination with appropriate area term. Indexed with North Ame |
| Red River County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Red River County Texas | |
| Red River Fault | |
|---|---|
| UF | Honghe Fault |
| RT | Vietnam |
| South China Sea | |
| Yunnan China | |
| SN | Zone extends from Yunnan in SW China across Vietnam to the South China Sea. Indexed with Yunnan China and/or Vietnam and/or South China Sea as applicable. Added to Thesaurus in 1989. |
| Red River Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Ordovician | |
| ....Upper Ordovician | |
| .....Red River Formation | |
| RT | Wyoming |
| Montana | |
| North Dakota | |
| Manitoba | |
| South Dakota | |
| Bighorn Dolomite | |
| SN | In Bighorn Group. |
| Red River Parish Louisiana | |
|---|---|
| BT | United States |
| .Louisiana | |
| ..Red River Parish Louisiana | |
| Red River valley | |
|---|---|
| RT | Arkansas |
| Louisiana | |
| Manitoba | |
| Minnesota | |
| North Dakota | |
| Oklahoma | |
| Red River | |
| New Mexico | |
| South Dakota | |
| Texas | |
| SN | As of 1985, can be used for valley of any of several Red rivers in the United States and Canada. Indexed with states or provinces as applicable. |
| red rock | |
|---|---|
| USE | red beds |
| Red Sea | |
|---|---|
| BT | Indian Ocean |
| .Red Sea | |
| NT | Atlantis II Deep |
| Chain Deep | |
| Discovery Deep | |
| Gulf of Aqaba | |
| Gulf of Suez | |
| Red Sea Rift | |
| RT | Leg 23 |
| Great Rift Valley | |
| Red Sea Basin | |
| DSDP Site 225 | |
| DSDP Site 228 | |
| DSDP Site 229 | |
| DSDP Site 230 | |
| Jeddah Saudi Arabia | |
| Red Sea region | |
| Zabargad Island | |
| SN | Between NE Africa and the Arabian Peninsula connecting the Mediterranean Sea with the Indian Ocean. |
| Red Sea Basin | |
|---|---|
| RT | Djibouti |
| Egypt | |
| Eritrea | |
| Ethiopia | |
| Israel | |
| Jordan | |
| Middle East | |
| Red Sea | |
| Red Sea region | |
| Saudi Arabia | |
| Sudan | |
| Yemen | |
| SN | Indexed with Red Sea, Djibouti and countries as applicable. |
| Red Sea Hills | |
|---|---|
| BT | Africa |
| .Red Sea Hills | |
| UF | Atbay |
| Etbai | |
| RT | Egypt |
| Sudan | |
| East Africa | |
| SN | Range of hills along Red Sea in E Egypt and NE Sudan. Indexed with countries as applicable. Added to Thesaurus in 1985. |
| Red Sea region | |
|---|---|
| RT | Red Sea |
| Red Sea Basin | |
| Red Sea Rift | |
| SN | This is an artificial term used to indicate the coastal region immediately adjacent to the Red Sea and the immediate littoral zone. |
| Red Sea Rift | |
|---|---|
| BT | Indian Ocean |
| .Red Sea | |
| ..Red Sea Rift | |
| RT | Ethiopia |
| Yemen | |
| Egypt | |
| Saudi Arabia | |
| Arabian Peninsula | |
| Arava Valley | |
| Sudan | |
| East African Rift | |
| Dead Sea Rift | |
| Great Rift Valley | |
| Gulf of Aden | |
| Ethiopian Rift | |
| Gulf of Suez | |
| Red Sea region | |
| Zabargad Island | |
| SN | Part of the Great Rift Valley system which connects the Dead Sea Rift to the East African Rift. Indexed with countries as applicable. Added to Thesaurus in 1993. |
| Red soils | |
|---|---|
| BT | soils |
| .Red soils | |
| RT | soil group |
| Zonal soils | |
| Red Willow County Nebraska | |
|---|---|
| BT | United States |
| .Nebraska | |
| ..Red Willow County Nebraska | |
| red zinc ore | |
|---|---|
| USE | zincite |
| redbeds | |
|---|---|
| USE | red beds |
| Redlichiida | |
|---|---|
| BT | Invertebrata |
| .Arthropoda | |
| ..Trilobitomorpha | |
| ...Trilobita | |
| ....Redlichiida | |
| Redon France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Ille-et-Vilaine France | |
| ....Redon France | |
| SN | Town in E Brittany, NW France. |
| Redonda Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Triassic | |
| ....Upper Triassic | |
| .....Redonda Formation | |
| RT | New Mexico |
| SN | Unconformably overlies Chinle Formation; unconformably underlies Entrada Sandstone. NE New Mexico. |
| Redondo Canyon | |
|---|---|
| BT | Pacific Ocean |
| .North Pacific | |
| ..Northeast Pacific | |
| ...Redondo Canyon | |
| UF | Redondo submerged valley |
| RT | submarine canyons |
| SN | Off S California at approximately 34#DGN and 118#DGW. This term has multiple hierarchies. |
| Redondo submerged valley | |
|---|---|
| USE | Redondo Canyon |
| Redonian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Pliocene | |
| .....upper Pliocene | |
| ......Redonian | |
| SN | North America. |
| Redoubt | |
|---|---|
| BT | United States |
| .Alaska | |
| ..Southern Alaska | |
| ...Redoubt | |
| UF | Mount Redoubt |
| Mt. Redoubt | |
| RT | volcanoes |
| SN | Volcano W of Cook Inlet in Lake Clark National Park, S Alaska. Added to Thesaurus in 1995. |
| redox | |
|---|---|
| USE | Eh |
| redox potential | |
|---|---|
| USE | Eh |
| reduction | |
|---|---|
| RT | Eh |
| oxidation | |
| processes | |
| geochemistry | |
| Redwall Limestone | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Mississippian | |
| .....Redwall Limestone | |
| RT | Arizona |
| SN | Comprises four unnamed members. N Arizona. |
| Redwood County Minnesota | |
|---|---|
| BT | United States |
| .Minnesota | |
| ..Redwood County Minnesota | |
| Redwood Creek | |
|---|---|
| RT | Humboldt County California |
| Mill Creek | |
| Redwood National Park | |
| SN | NW California. May also occur in other locations. Indexed with county or regions as applicable. Added to Thesaurus in 1989. |
| Redwood National Park | |
|---|---|
| BT | United States |
| .California | |
| ..Redwood National Park | |
| RT | national parks |
| Klamath Mountains | |
| Del Norte County California | |
| Humboldt County California | |
| Redwood Creek | |
| SN | Coastal N California. Indexed with counties as applicable. |
| reedmergnerite | |
|---|---|
| BT | silicates |
| .framework silicates | |
| ..reedmergnerite | |
| Reedsville Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Ordovician | |
| ....Upper Ordovician | |
| .....Reedsville Formation | |
| RT | Virginia |
| Pennsylvania | |
| West Virginia | |
| Tennessee | |
| SN | Central Pennsylvania, E Tennessee, SW Virginia and E West Virginia. Added to Thesaurus in 1989. |
| reef builders | |
|---|---|
| RT | algae |
| Brachiopoda | |
| Bryozoa | |
| Coelenterata | |
| Echinodermata | |
| hermatypic taxa | |
| Mollusca | |
| Porifera | |
| reefs | |
| stromatolites | |
| SN | Added to Thesaurus in 1981. |
| reef environment | |
|---|---|
| RT | aquatic environment |
| deep-water environment | |
| depositional environment | |
| marine environment | |
| paleoecology | |
| reefs | |
| sedimentation | |
| shallow-water environment | |
| submarine environment | |
| SN | For paleoecology. Before 1993, also search reefs and environment. Added to Thesaurus in 1993. |
| reef formations | |
|---|---|
| USE | reefs |
| reef pinnacle | |
|---|---|
| USE | pinnacle reefs |
| reefs | |
|---|---|
| NT | atolls |
| barrier reefs | |
| fringing reefs | |
| patch reefs | |
| pinnacle reefs | |
| platform reefs | |
| UF | coral reefs |
| reef formations | |
| RT | bioerosion |
| oceanography | |
| ecology | |
| paleoecology | |
| geomorphology | |
| Coelenterata | |
| hermatypic taxa | |
| bioherms | |
| reef builders | |
| carbonate banks | |
| biogenic structures | |
| marine geology | |
| continental shelf | |
| lagoons | |
| bafflestone | |
| biostromes | |
| lithofacies | |
| reef environment | |
| sea-level chang | |
| SN | As of 1984, not to be for sedimentary structures; use bioherms there. As of 1993, use reef environment for paleoecology. |
| Reefton New Zealand | |
|---|---|
| BT | Australasia |
| .New Zealand | |
| ..Reefton New Zealand | |
| RT | South Island |
| SN | Village in NW South Island. Also index South Island. |
| Reelfoot Lake | |
|---|---|
| BT | United States |
| .Tennessee | |
| ..Reelfoot Lake | |
| RT | Lake County Tennessee |
| Obion County Tennessee | |
| SN | Lake and Obion counties, NW Tennessee. Indexed with counties as applicable. Added to Thesaurus in 1989. |
| Reelfoot Rift | |
|---|---|
| BT | United States |
| .Reelfoot Rift | |
| RT | Missouri |
| Mississippi | |
| Tennessee | |
| Arkansas | |
| Mississippi Valley | |
| Midcontinent | |
| SN | NW Tennessee, SE Missouri, NE Arkansas and NW Mississippi. Indexed with states as applicable. Added to Thesaurus in 1989. |
| Reeves County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Reeves County Texas | |
| RT | Davis Mountains |
| SN | Extreme W Texas. |
| refinement | |
|---|---|
| RT | crystal structure |
| Rietveld refinement | |
| reflectance | |
|---|---|
| UF | reflectance spectra |
| reflectivity | |
| RT | organic compounds |
| albedo | |
| brightness | |
| coal | |
| microscope methods | |
| crystallography | |
| mineralogy | |
| ore reflectivity | |
| SN | Applies to specific samples of coal, organic compounds, and sometimes minerals. As of 1982, use ore reflectivity for ore deposits. When discussing methods, also use microscope methods. Does not include reflectivity of a rock bed to seismic waves. |
| reflectance spectra | |
|---|---|
| USE | reflectance |
| reflection | |
|---|---|
| RT | backscattering |
| diffraction | |
| elastic waves | |
| geophysical surveys | |
| reflectograms | |
| SN | After 1998, for seismic studies, use reflection methods. For minerals, see optical properties. |
| reflection methods | |
|---|---|
| BT | geophysical methods |
| .reflection methods | |
| NT | common-depth-point method |
| RT | acoustical methods |
| geophysical surveys | |
| elastic waves | |
| AVO methods | |
| dip moveout | |
| moveout | |
| normal moveout | |
| multiple reflections | |
| radar methods | |
| BIRPS | |
| bottom-simulating reflectors | |
| CALCRUST | |
| COCORP | |
| ECORS | |
| DEKORP | |
| Lithoprobe | |
| ground-penetrating radar | |
| reflectograms | |
| seismo | |
| SN | Restricted to geophysical methods; most commonly used for seismic methods. Indexed with seismic methods or other types of methods as applicable. |
| reflection waves | |
|---|---|
| SN | As of 1981, no longer a valid index term for GeoRef. Before 1978, also search ocean waves AND reflection. |
| reflectivity | |
|---|---|
| USE | reflectance |
| reflectograms | |
|---|---|
| RT | reflection |
| reflection methods | |
| reforestation | |
|---|---|
| USE | revegetation |
| refraction | |
|---|---|
| RT | diffraction |
| elastic waves | |
| electrical methods | |
| geophysical surveys | |
| SN | For seismic studies, use refraction methods. For minerals, use refractive index. |
| refraction method |
|---|
| refraction methods | |
|---|---|
| BT | geophysical methods |
| .refraction methods | |
| RT | seismology |
| acoustical methods | |
| geophysical surveys | |
| seismic methods | |
| electrical methods | |
| ECORS | |
| diffraction | |
| sonobuoys | |
| SN | Restricted to geophysical methods; most commonly used for seismic methods. Indexed with seismic methods or other types of methods as applicable. |
| refraction waves | |
|---|---|
| SN | As of 1981, no longer a valid index term for GeoRef. Before 1978, also search ocean waves AND refraction. |
| refractive index | |
|---|---|
| UF | index of refraction |
| refractivity | |
| refractometry | |
| RT | optical dispersion |
| birefringence | |
| optical properties | |
| refractivity | |
|---|---|
| USE | refractive index |
| refractometry | |
|---|---|
| USE | refractive index |
| refractories | |
|---|---|
| USE | refractory materials |
| refractory clay | |
|---|---|
| USE | fireclay |
| refractory materials | |
|---|---|
| UF | refractories |
| RT | carborundum |
| industrial minerals | |
| materials | |
| construction materials | |
| ceramic materials | |
| clays | |
| fireclay | |
| flint clay | |
| kaolin deposits | |
| sintering | |
| graphite deposits | |
| magnesite deposits | |
| SN | As a commodity index with ceramic materials. |
| Refugian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....Refugian | |
| RT | Oligocene |
| SN | North America. Above Fresnian, below Zemorrian. |
| Refugio County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Refugio County Texas | |
| Regensburg Germany | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...Bavaria Germany | |
| ....Regensburg Germany | |
| SN | City on Danube River in E central Bavaria, SE Germany. |
| Reggio Calabria | |
|---|---|
| USE | Reggio di Calabria Italy |
| Reggio di Calabria Italy | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Calabria Italy | |
| ....Reggio di Calabria Italy | |
| UF | Reggio Calabria |
| SN | City and province on Strait of Messina in S Italy. |
| regi |
|---|
| regimes, water | |
|---|---|
| USE | water regimes |
| Regina Saskatchewan | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Saskatchewan | |
| ...Regina Saskatchewan | |
| SN | City in S Saskatchewan. |
| regional | |
|---|---|
| RT | areal geology |
| geography | |
| SN | After 1977, used only as a general term for geography. Used through 1977 in combination with metamorphism; after 1977, regional metamorphism is used. |
| regional anomalies | |
|---|---|
| RT | anomalies |
| residual anomalies | |
| SN | Added to Thesaurus in 1981. |
| Regional Aquifer-System Analysis Program | |
|---|---|
| USE | RASA |
| regional metamorphism | |
|---|---|
| BT | metamorphism |
| .regional metamorphism | |
| RT | Barrovian-type deposits |
| burial metamorphism | |
| dynamic metamorphism | |
| SN | Before 1978, also search metamorphism AND regional. |
| regional patterns | |
|---|---|
| RT | geothermal gradient |
| heat flow | |
| heat sources | |
| patterns | |
| regional planning | |
|---|---|
| RT | environmental geology |
| land use | |
| planning | |
| urban planning | |
| registration | |
|---|---|
| UF | professional registration |
| RT | pollution |
| education | |
| accuracy | |
| quality control | |
| cartography | |
| data processing | |
| geology | |
| imagery | |
| data bases | |
| practice | |
| licensing | |
| geologists | |
| SN | As of 1998, restricted from use with geophysical methods. Use accuracy or see data processing. Not restricted to registration of professionals. Also search certification if applicable. Indexed with practice and geologists as applicable. |
| regolith | |
|---|---|
| RT | debris |
| overburden | |
| resurfacing | |
| sedimentary cover | |
| soils | |
| SN | May also be used used for the Moon and planets. |
| Regosols | |
|---|---|
| BT | soils |
| .Regosols | |
| regression | |
|---|---|
| BT | sea-level changes |
| .regression | |
| RT | stratigraphy |
| levels | |
| raised beaches | |
| Fischer plots | |
| lowstands | |
| transgression | |
| lake-level changes | |
| retrogradation | |
| SN | As of 1998, restricted to use for seas. |
| regression analysis | |
|---|---|
| BT | statistical analysis |
| .regression analysis | |
| NT | autoregression |
| RT | analysis |
| least-squares analysis | |
| Reguibat Ridge | |
|---|---|
| BT | Africa |
| .Reguibat Ridge | |
| RT | Mauritania |
| Western Sahara | |
| SN | In NW Mauritania and Western Sahara. |
| regulations | |
|---|---|
| RT | Clean Air Act |
| Clean Water Act | |
| decision-making | |
| economic geology | |
| engineering geology | |
| environmental geology | |
| government agencies | |
| hydrogeology | |
| land management | |
| land use | |
| legislation | |
| policy | |
| pollution | |
| preservation | |
| protection | |
| public policy | |
| reclamation | |
| resources | |
| Saf | |
| SN | Added to Thesaurus in 1993. |
| Rehamma | |
|---|---|
| USE | Rehamna |
| Rehamna | |
|---|---|
| BT | Africa |
| .North Africa | |
| ..Morocco | |
| ...Rehamna | |
| UF | Rehamma |
| SN | Tribal area N of Marrakech in W central Morocco. |
| Reichenstein Poland | |
|---|---|
| USE | Zloty Stok Poland |
| Reindeer Lake | |
|---|---|
| BT | Canada |
| .Reindeer Lake | |
| RT | Saskatchewan |
| Manitoba | |
| SN | NE Saskatchewan and NW Manitoba. Added to Thesaurus in 1981. |
| Reindeer Zone | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Reindeer Zone | |
| RT | Saskatchewan |
| Manitoba | |
| Churchill Province | |
| Hudsonian Orogeny | |
| SN | Archean-Proterozoic, in the Trans-Hudson Orogen between the Superior and the Churchill provinces. Indexed with Manitoba and/or Saskatchewan as applicable. |
| reinforced materials | |
|---|---|
| RT | dams |
| embankments | |
| engineering geology | |
| foundations | |
| geogrids | |
| highways | |
| materials | |
| reservoirs | |
| rock mechanics | |
| slope stability | |
| soil mechanics | |
| SN | Before 1993, also search reinforced soil and reinforced earth as applicable. Added to Thesaurus in 1993. |
| reinjection wells | |
|---|---|
| RT | abandoned water wells |
| artificial recharge | |
| fluid injection | |
| gas injection | |
| injection | |
| irrigation | |
| oil wells | |
| waste disposal | |
| waste management | |
| SN | Added to Thesaurus in 1985. |
| rejuvenation head | |
|---|---|
| USE | knickpoints |
| relation | |
|---|---|
| SN | A valid general term through 1977. |
| relative age | |
|---|---|
| RT | absolute age |
| age | |
| biochronology | |
| cation-ratio dating | |
| cosmochronology | |
| electron paramagnetic resonance | |
| epimerization | |
| exposure age | |
| fission-track dating | |
| geochronology | |
| hydration of glass | |
| isochrons | |
| lichenometry | |
| meteor craters | |
| optical mineralogy | |
| overprinting | |
| paleo | |
| SN | Also search specific methods if applicable. Indexed with specific method or methods. |
| relaxation | |
|---|---|
| RT | creep |
| deformation | |
| equilibrium | |
| geophysical methods | |
| geophysics | |
| kinetics | |
| mathematical methods | |
| relaxation energy | |
| rheology | |
| strain relaxation | |
| stress | |
| structural analysis | |
| structural geology | |
| SN | See relaxation energy or strain relaxation if applicable. Use a more specific term if applicable. Added to Thesaurus in 1995. |
| relaxation energy | |
|---|---|
| RT | elastic waves |
| energy | |
| relaxation | |
| seismology | |
| release fractures | |
|---|---|
| BT | fractures |
| .release fractures | |
| RT | stress |
| joints | |
| SN | Before 1978, also search fractures AND release. |
| reliability | |
|---|---|
| RT | accuracy |
| errors | |
| maximum likelihood | |
| precision | |
| probability | |
| sampling | |
| statistical analysis | |
| uncertainty | |
| SN | Used as a general term. |
| relict materials | |
|---|---|
| RT | materials |
| metamorphic rocks | |
| meteorites | |
| parent bodies | |
| permafrost | |
| provenance | |
| reworking | |
| sediments | |
| SN | Added to Thesaurus in 1985. |
| relief | |
|---|---|
| RT | digital terrain models |
| elevation | |
| landform description | |
| landform evolution | |
| ocean floors | |
| paleorelief | |
| geomorphology | |
| relief exposure | |
| relief inversion | |
| shaded relief maps | |
| terrains | |
| topography | |
| relief effects | |
|---|---|
| RT | climate |
| climate effects | |
| effects | |
| magnetic field | |
| SN | For use in relation to the Earth's magnetic field. Added to Thesaurus in 1981. |
| relief exposure | |
|---|---|
| RT | landforms |
| relief | |
| geomorphology | |
| SN | Added to Thesaurus in 1981. |
| relief features | |
|---|---|
| USE | landforms |
| relief inversion | |
|---|---|
| RT | basin inversion |
| inversion tectonics | |
| landform evolution | |
| relief | |
| geomorphology | |
| SN | Added to Thesaurus in 1981. |
| Relizian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Miocene | |
| .....Relizian | |
| RT | lower Miocene |
| middle Miocene | |
| SN | North America. Miocene, above Saucesian and below Luisian. Added to Thesaurus in 1985. |
| remagnetization | |
|---|---|
| RT | demagnetization |
| magnetization | |
| natural remanent magnetization | |
| paleomagnetism | |
| secondary magnetization | |
| remanent magnetism | |
|---|---|
| USE | remanent magnetization |
| remediation | |
|---|---|
| NT | bioremediation |
| RT | biodegradation |
| bioreclamation | |
| constructed wetlands | |
| incineration | |
| leaking underground storage tanks | |
| mitigation | |
| pollution | |
| pump-and-treat | |
| reclamation | |
| soil treatment | |
| soil vapor extraction | |
| soil venting | |
| strip mining | |
| waste disposal | |
| waste management | |
| water treatmen | |
| SN | Before 1993, also search reclamation, water treatment or soil treatment if applicable. Added to Thesaurus in 1993. |
| remobilization | |
|---|---|
| SN | As of 1981, no longer a valid term for GeoRef. Included use in petrology. See mobilization, migration of elements, geochemistry. |
| remote sensing | |
|---|---|
| UF | remote sensing data |
| remote-sensing methods | |
| sensing, remote | |
| RT | aerial photography |
| airborne methods | |
| albedo | |
| brightness | |
| automated analysis | |
| Apollo 11 | |
| Apollo Program | |
| Apollo 12 | |
| Apollo 13 | |
| Apollo 14 | |
| Apollo 15 | |
| Apollo 16 | |
| Apollo 17 | |
| Apollo 8 | |
| Apollo 9 | |
| Apollo-Soyuz Program | |
| coronae | |
| AVHRR | |
| AVIRIS | |
| Clementine Program | |
| color imagery | |
| Dopp | |
| SN | Used for both methods and applications. For surveys, also index geophysical surveys. |
| remote sensing data | |
|---|---|
| USE | remote sensing |
| remote-sensing methods | |
|---|---|
| USE | remote sensing |
| Renalcis | |
|---|---|
| BT | cyanobacteria |
| .Renalcis | |
| RT | microfossils |
| algae | |
| SN | Genus. For paleontologic studies, index microfossils. Index algae if applicable. |
| Renault Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Mississippian | |
| .....Upper Mississippian | |
| ......Chesterian | |
| .......Renault Formation | |
| RT | Kentucky |
| Missouri | |
| Illinois | |
| Indiana | |
| SN | S Illinois, S Indiana, W and central Kentucky, and SE Missouri. Added to Thesaurus in 1989. |
| Renazzo Meteorite | |
|---|---|
| BT | meteorites |
| .stony meteorites | |
| ..chondrites | |
| ...carbonaceous chondrites | |
| ....CR chondrites | |
| .....Renazzo Meteorite | |
| RT | CM chondrites |
| SN | Before 1981, also search Renazzo AND meteorites. Reclassified from the CM2 chondrite group to the type for the CR chondrite group. Added to Thesaurus in 1995. |
| Rendzinas | |
|---|---|
| BT | soils |
| .Rendzinas | |
| RT | soil group |
| Renfrew County Ontario | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Ontario | |
| ...Renfrew County Ontario | |
| NT | Chalk River Ontario |
| RT | Perch Lake |
| SN | SE Ontario. |
| renierite | |
|---|---|
| BT | sulfosalts |
| .sulfogermanates | |
| ..renierite | |
| Renmark Australia | |
|---|---|
| BT | Australasia |
| .Australia | |
| ..South Australia | |
| ...Renmark Australia | |
| SN | Town on Murray River in SE South Australia. |
| Rennes France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Ille-et-Vilaine France | |
| ....Rennes France | |
| SN | City in E Brittany, NW France. |
| Reno County Kansas | |
|---|---|
| BT | United States |
| .Kansas | |
| ..Reno County Kansas | |
| NT | Hutchinson Kansas |
| SN | S central Kansas. |
| Reno Nevada | |
|---|---|
| BT | United States |
| .Nevada | |
| ..Washoe County Nevada | |
| ...Reno Nevada | |
| SN | City on Truckee River in W Nevada. |
| Renova Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Renova Formation | |
| RT | Eocene |
| Oligocene | |
| Montana | |
| SN | In Bozeman Group. Eocene and Oligocene. SW Montana. Indexed with age as applicable. Added to Thesaurus in 1995. |
| Rensselaer County New York | |
|---|---|
| BT | United States |
| .New York | |
| ..Rensselaer County New York | |
| SN | E New York. |
| Renville County Minnesota | |
|---|---|
| BT | United States |
| .Minnesota | |
| ..Renville County Minnesota | |
| SN | S Minnesota. |
| Renville County North Dakota | |
|---|---|
| BT | United States |
| .North Dakota | |
| ..Renville County North Dakota | |
| SN | N North Dakota. |
| replacement | |
|---|---|
| SN | A valid term through 1975. After 1975, use metasomatism or pseudomorphism. |
| report | |
|---|---|
| NT | annual report |
| progress report | |
| UF | brief report |
| RT | associations |
| current research | |
| symposia | |
| atlas | |
| repositories | |
|---|---|
| SN | Not a valid term for GeoRef. See waste disposal sites or storage or waste disposal. |
| representative basins | |
|---|---|
| RT | drainage basins |
| ground water | |
| hydrogeology | |
| hydrology | |
| models | |
| water resources | |
| SN | Added to Thesaurus in 1981. |
| reproduction | |
|---|---|
| RT | eggs |
| larvae | |
| paleontology | |
| sexual dimorphism | |
| Reptilia | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Reptilia | |
| NT | Anapsida |
| Diapsida | |
| dinosaurs | |
| Testudinata | |
| RT | eggs |
| gastroliths | |
| Republic County Kansas | |
|---|---|
| BT | United States |
| .Kansas | |
| ..Republic County Kansas | |
| SN | N Kansas. |
| research | |
|---|---|
| RT | associations |
| bibliography | |
| current research | |
| geology | |
| International Lithosphere Program | |
| programs | |
| progress report | |
| survey organizations | |
| technical writing | |
| research vessels | |
|---|---|
| RT | Alvin |
| CYANA | |
| Deep Sea Drilling Project | |
| expeditions | |
| FAMOUS | |
| geophysical methods | |
| geophysical surveys | |
| GEOSECS | |
| Glomar Challenger | |
| International Decade of Ocean Exploration | |
| IPOD | |
| marine geology | |
| marine methods | |
| Ocean Drilling Program | |
| oceanography | |
| submersibles | |
| SN | Added to Thesaurus in 1983. |
| reserves | |
|---|---|
| RT | inventory |
| ore grade | |
| prediction maps | |
| resources | |
| size | |
| strategic minerals | |
| SN | Indexed with specific commodity as applicable. |
| reservoir properties | |
|---|---|
| RT | confining pressure |
| connectivity | |
| Darcy's law | |
| decompaction | |
| formation damage | |
| formation evaluation | |
| geothermal reservoirs | |
| minipermeameters | |
| natural gas | |
| naturally fractured reservoirs | |
| oil and gas fields | |
| overpressure | |
| petroleum | |
| properties | |
| slug tests | |
| tight sands | |
| un | |
| SN | Not to be used in relation to surface reservoirs. Use for petroleum or geothermal reservoirs. |
| reservoir rocks | |
|---|---|
| RT | cap rocks |
| enhanced recovery | |
| geopressure | |
| geothermal energy | |
| geothermal reservoirs | |
| meteoric water | |
| natural gas | |
| naturally fractured reservoirs | |
| oil and gas fields | |
| overpressure | |
| petroleum | |
| petroleum engineering | |
| rocks | |
| roughness | |
| sedimentation | |
| source rocks | |
| stratigrap | |
| SN | Use for petroleum or geothermal reservoirs. |
| reservoirs | |
|---|---|
| UF | surface reservoirs |
| RT | dams |
| embankments | |
| earthquakes | |
| engineering geology | |
| deposition | |
| geologic hazards | |
| hydrogeology | |
| Archie's law | |
| design | |
| hydrology | |
| construction | |
| levels | |
| feasibility studies | |
| lakes | |
| geomembranes | |
| geotextiles | |
| drawdown | |
| floods | |
| naturally fractured reservoirs | |
| ponds | |
| maintenance | |
| SN | Since 1978, used only for surface reservoirs (e.g. water reservoirs behind dams). For subsurface reservoirs such as petroleum reservoirs, see reservoir rocks, reservoir properties. See geothermal reservoirs, if applicable. Used only for geological studies |
| reservoirs, geothermal | |
|---|---|
| USE | geothermal reservoirs |
| residence time | |
|---|---|
| RT | age |
| bioaccumulation | |
| exposure age | |
| ground water | |
| rates | |
| retention | |
| time factor | |
| water regimes | |
| SN | General concept for systems. Added to Thesaurus in 1995. |
| residual anomalies | |
|---|---|
| RT | anomalies |
| gravity anomalies | |
| regional anomalies | |
| SN | Added to Thesaurus in 1981. |
| residual clays | |
|---|---|
| BT | sediments |
| .clastic sediments | |
| ..residual clays | |
| RT | clay |
| clays | |
| SN | Added to Thesaurus in 1981. |
| residual soils | |
|---|---|
| RT | residuum |
| soil mechanics | |
| soils | |
| SN | In GeoRef, used mainly for engineering studies. Do not use for residuum. Indexed with soils if applicable. |
| residues, insoluble | |
|---|---|
| USE | insoluble residues |
| residues, organic | |
|---|---|
| SN | Not a valid term for GeoRef. See sedimentary rocks or sediments. |
| residuum | |
|---|---|
| BT | sediments |
| .clastic sediments | |
| ..residuum | |
| RT | weathering |
| terrigenous materials | |
| residual soils | |
| resinite | |
|---|---|
| BT | macerals |
| .exinite | |
| ..resinite | |
| resins | |
|---|---|
| UF | fossil resins |
| mineral resins | |
| RT | organic compounds |
| amber | |
| Resita Romania | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Romania | |
| ...Resita Romania | |
| BT | Europe |
| .Southern Europe | |
| ..Banat | |
| ...Resita Romania | |
| UF | Recita Romania |
| SN | City in Caras-Severin County in W Romania. This term has multiple hierarchies. |
| Resolution Guyot | |
|---|---|
| USE | Resolution Seamount |
| Resolution Seamount | |
|---|---|
| BT | Pacific Ocean |
| .West Pacific | |
| ..Resolution Seamount | |
| BT | Pacific Ocean |
| .North Pacific | |
| ..Mid-Pacific Mountains | |
| ...Resolution Seamount | |
| UF | Resolution Guyot |
| RT | Central Pacific |
| Leg 143 | |
| ODP Site 866 | |
| ODP Site 867 | |
| ODP Site 868 | |
| SN | W Mid-Pacific Mountains. This term has multiple hierarchies. |
| resonance | |
|---|---|
| RT | electron paramagnetic resonance |
| nuclear magnetic resonance | |
| oscillations | |
| vibration | |
| resorption | |
|---|---|
| UF | reabsorption |
| readsorption | |
| RT | absorption |
| adsorption | |
| petrology | |
| soils | |
| processes | |
| textures | |
| crystals | |
| SN | Also index absorption or adsorption if applicable. |
| Resource Conservation and |
|---|
| Resource Conservation and Recovery Act | |
|---|---|
| UF | RCRA |
| RT | pollution |
| environmental geology | |
| ground water | |
| waste disposal | |
| conservation | |
| protection | |
| water resources | |
| radioactive waste | |
| water management | |
| water quality | |
| liquid waste | |
| solid waste | |
| natural resources | |
| resources | |
| SN | United States legislative act enacted in the fall of 1976. Concerns waste disposal management, especially regulation of hazardous waste. Added to Thesaurus in 1989. |
| resources | |
|---|---|
| RT | conservation |
| energy sources | |
| inventory | |
| licensing | |
| mineral resources | |
| natural resources | |
| productive capacity | |
| regulations | |
| reserves | |
| Resource Conservation and Recovery Act | |
| size | |
| water resources | |
| respiration | |
|---|---|
| RT | chemosynthesis |
| photosynthesis | |
| processes | |
| geochemistry | |
| SN | Added to Thesaurus in 1981. |
| response | |
|---|---|
| SN | As of 1981, no longer a valid term for GeoRef. Used as a general term. |
| Restigou |
|---|
| Restigouche County New Brunswick | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Maritime Provinces | |
| ...New Brunswick | |
| ....Restigouche County New Brunswick | |
| Restigouche Estuary | |
|---|---|
| BT | Canada |
| .Restigouche Estuary | |
| RT | Quebec |
| New Brunswick | |
| Chaleur Bay | |
| SN | W extremity of Chaleur Bay. Indexed with provinces as applicable. |
| restites | |
|---|---|
| RT | anatexis |
| igneous rocks | |
| magmas | |
| metamorphic rocks | |
| metasomatic rocks | |
| migmatites | |
| mixing | |
| SN | Parts of composite rocks which were geochemically immobile. Added to Thesaurus in 1995. |
| restorations | |
|---|---|
| SN | Not a valid GeoRef index term after 1970. See physical models; reclamation; reconstruction; sample preparation. |
| resurfacing | |
|---|---|
| RT | cosmochronology |
| cratering | |
| denudation | |
| erosion rates | |
| erosion surfaces | |
| exposure age | |
| extraterrestrial geology | |
| geochronology | |
| impact craters | |
| impact features | |
| landform evolution | |
| meteor craters | |
| planetology | |
| regolith | |
| relative age | |
| surface features | |
| SN | Generally used for impact erosion and/or depositional processes on extraterrestrial planetary bodies on a global scale. Also index cratering if applicable. Added to Thesaurus in 1995. |
| resurgence | |
|---|---|
| UF | rising springs |
| springs, rising | |
| RT | geomorphology |
| volcanoes | |
| domes | |
| hydrology | |
| calderas | |
| cauldrons | |
| caves | |
| underground streams | |
| springs | |
| karst hydrology | |
| retaining walls | |
|---|---|
| UF | walls, retaining |
| RT | embankments |
| slope stability | |
| rock mechanics | |
| soil mechanics | |
| reservoirs | |
| stabilization | |
| pressure | |
| landslides | |
| berms | |
| foundations | |
| levees | |
| geogrids | |
| tailings ponds | |
| SN | Wall designed to resist lateral pressure of material behind it and maintain differences in elevation. Added to Thesaurus in 1993. |
| retention | |
|---|---|
| RT | atmospheric precipitation |
| hydrology | |
| residence time | |
| runoff | |
| water | |
| SN | The amount of water from precipitation that has not escaped as runoff or through evapotranspiration. |
| Retezat Mountains | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Romania | |
| ...Transylvania | |
| ....Retezat Mountains | |
| RT | Transylvanian Alps |
| SN | Group in W Transylvanian Alps in SW Transylvania, W central Romania. |
| Retort Phosphatic Shale Member | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Permian | |
| ....Retort Phosphatic Shale Member | |
| RT | Idaho |
| Utah | |
| Wyoming | |
| Montana | |
| Nevada | |
| Phosphoria Formation | |
| SN | Of Phosphoria Formation. E Idaho, SW Montana, Nevada, NE Utah and W Wyoming. Added to Thesaurus in 1989. |
| retorting | |
|---|---|
| RT | combustion |
| in situ | |
| oil shale | |
| petroleum engineering | |
| recovery | |
| SN | Added to Thesaurus in 1985. |
| retrieval, data | |
|---|---|
| USE | data retrieval |
| retrogradation | |
|---|---|
| RT | parasequences |
| regression | |
| retrograde metamorphism | |
| sequence stratigraphy | |
| shorelines | |
| stratigraphy | |
| SN | For stratigraphic studies, also index regression if applicable. |
| retrograde | |
|---|---|
| SN | A valid term through 1977. |
| retrograde metamorphism | |
|---|---|
| BT | metamorphism |
| .retrograde metamorphism | |
| UF | diaphthoresis |
| retrogressive metamorphism | |
| RT | prograde metamorphism |
| decompression | |
| dynamic metamorphism | |
| retrogradation | |
| polymetamorphism | |
| SN | Before 1978, also search metamorphism AND retrograde. |
| retrogressive metamorphism | |
|---|---|
| USE | retrograde metamorphism |
| Reunion | |
|---|---|
| BT | Indian Ocean Islands |
| .Mascarene Islands | |
| ..Reunion | |
| NT | Piton de la Fournaise |
| Piton des Neiges | |
| Saint-Louis Reunion | |
| UF | Reunion Island |
| SN | One of the Mascarene Islands and a French overseas territory 425 miles E of Madagascar. |
| Reunion Island | |
|---|---|
| USE | Reunion |
| revegetation | |
|---|---|
| UF | reforestation |
| RT | ecology |
| fires | |
| forests | |
| riparian environment | |
| grasslands | |
| prairies | |
| savannas | |
| steppes | |
| tundra | |
| SN | Added to Thesaurus in 1993. |
| Revelstoke British Columbia | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..British Columbia | |
| ...Revelstoke British Columbia | |
| SN | City in SE British Columbia. |
| reversals | |
|---|---|
| UF | self reversal |
| self-reversals | |
| RT | paleomagnetism |
| magnetic field | |
| Earth | |
| pole positions | |
| Brunhes Chron | |
| Gauss Chron | |
| Gilbert Chron | |
| Jaramillo Subchron | |
| Matuyama Chron | |
| Olduvai Subchron | |
| reverse | |
|---|---|
| SN | A valid term through 1977. After 1977, use reverse faults. |
| reverse faults | |
|---|---|
| BT | faults |
| .reverse faults | |
| RT | inversion tectonics |
| thrust faults | |
| displacements | |
| imbricate tectonics | |
| SN | Before 1978, also search faults AND reverse. |
| reverse slip faults | |
|---|---|
| USE | thrust faults |
| revetments | |
|---|---|
| RT | embankments |
| engineering geology | |
| riprap | |
| seawalls | |
| shorelines | |
| slope stability | |
| waterways | |
| SN | Facing of stone, concrete or other material on embankment to prevent scour by weathering or water action. Added to Thesaurus in 1993. |
| Revett Quartzite | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Proterozoic | |
| ...Mesoproterozoic | |
| ....Revett Quartzite | |
| RT | Idaho |
| Montana | |
| Washington | |
| Belt Supergroup | |
| Ravalli Group | |
| SN | In Ravalli Group of Belt Supergroup. NE Idaho and NW Montana. Added to Thesaurus in 1985. |
| review | |
|---|---|
| RT | bibliography |
| book reviews | |
| critical review | |
| SN | Used as a general term for bibliographic reviews, annual reviews and syntheses. |
| revision | |
|---|---|
| RT | fossils |
| new taxa | |
| taxonomy | |
| SN | Used for revision of classification and taxonomy, especially in fossils. |
| Rewa India | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Madhya Pradesh India | |
| ....Rewa India | |
| SN | City in N Madhya Pradesh, central India. |
| reworking | |
|---|---|
| RT | deposition |
| fossils | |
| relict materials | |
| sedimentation | |
| sediments | |
| Rexroad Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Pliocene | |
| .....upper Pliocene | |
| ......Rexroad Formation | |
| RT | Oklahoma |
| Kansas | |
| SN | Underlies Angell Member of Ballard Formation. |
| Reykjanes Peninsula | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Iceland | |
| ...Reykjanes Peninsula | |
| SN | WSW of Reykjavik. Also search Reykjanes. |
| Reykjanes Ridge | |
|---|---|
| BT | Atlantic Ocean |
| .North Atlantic | |
| ..Reykjanes Ridge | |
| RT | DSDP Site 114 |
| DSDP Site 407 | |
| Leg 49 | |
| DSDP Site 408 | |
| DSDP Site 409 | |
| ODP Site 983 | |
| ODP Site 984 | |
| SN | SW of Iceland. |
| Reynolds County Missouri | |
|---|---|
| BT | United States |
| .Missouri | |
| ..Reynolds County Missouri | |
| SN | SE Missouri. |
| Reynolds Creek | |
|---|---|
| RT | Idaho |
| Owyhee County Idaho | |
| SN | Flows into Snake River in extreme SW Idaho. May also occur in other locations. Indexed with counties or region as applicable. |
| Reynolds numb |
|---|
| Reynolds number | |
|---|---|
| UF | Damkohler number |
| RT | convection |
| mathematical methods | |
| hydrodynamics | |
| SN | Added to Thesaurus in 1995. |
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