SEDIS - Thesaurus
Cr  | |
|---|---|
| USE | chromium |
| CR chondrites | |
|---|---|
| BT | meteorites |
| .stony meteorites | |
| ..chondrites | |
| ...carbonaceous chondrites | |
| ....CR chondrites | |
| NT | Renazzo Meteorite |
| RT | Acfer Meteorites |
| Yamato Meteorites | |
| SN | Renazzo type. Class recognized since 1985. Members were formerly assigned to CM2 chondrites. Added to Thesaurus in 1995. |
| Cr-51 | |
|---|---|
| BT | isotopes |
| .radioactive isotopes | |
| ..Cr-51 | |
| BT | metals |
| .chromium | |
| ..Cr-51 | |
| SN | This term has multiple hierarchies. |
| Cr-53/Cr-52 | |
|---|---|
| BT | isotopes |
| .stable isotopes | |
| ..Cr-53/Cr-52 | |
| BT | metals |
| .chromium | |
| ..Cr-53/Cr-52 | |
| RT | isotope ratios |
| SN | This term has multiple hierarchies. |
| Crab Orchard Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Silurian | |
| ....Crab Orchard Formation | |
| RT | Kentucky |
| Ohio | |
| SN | Lower and Middle Silurian. Kentucky and SW Ohio. Added to Thesaurus in 1989. |
| Crab Orchard Mountain Group | |
|---|---|
| USE | Crab Orchard Mountains Group |
| Crab Orchard Mountains Group | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Pennsylvanian | |
| .....Lower Pennsylvanian | |
| ......Crab Orchard Mountains Group | |
| UF | Crab Orchard Mountain Group |
| RT | Georgia |
| Tennessee | |
| SN | NW Georgia and E Tennessee. Added to Thesaurus in 1989. |
| cracks | |
|---|---|
| NT | microcracks |
| RT | fatigue |
| fissures | |
| fractures | |
| open fractures | |
| rock mechanics | |
| Cracow Poland | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Cracow Poland | |
| NT | Krzeszowice Poland |
| Miechow Poland | |
| Pilica Poland | |
| Podhale | |
| Wieliczka Poland | |
| UF | Krakow Poland |
| RT | Andrychow Poland |
| Cracow-Czestochowa Jura | |
| Nowy Targ Poland | |
| SN | Province and city in S Poland. |
| Cracow-Czestochowa Jura | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Cracow-Czestochowa Jura | |
| UF | Krakow-Czestochowa Jura |
| RT | Cracow Poland |
| Katowice Poland | |
| Czestochowa Poland | |
| SN | Mountain range in S Poland between Cracow and Czestochowa. Added to Thesaurus in 1989. |
| Crai | |
|---|---|
| SN | No longer a valid term for GeoRef. See Padurea Craiului Mountains. |
| Craig County Oklahoma | |
|---|---|
| BT | United States |
| .Oklahoma | |
| ..Craig County Oklahoma | |
| Craig County Virginia | |
|---|---|
| BT | United States |
| .Virginia | |
| ..Craig County Virginia | |
| Craighead County Arkansas | |
|---|---|
| BT | United States |
| .Arkansas | |
| ..Craighead County Arkansas | |
| crandallite | |
|---|---|
| BT | phosphates |
| .crandallite | |
| RT | goyazite |
| Crane County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Crane County Texas | |
| RT | Central Basin Platform |
| SN | W Central Texas. |
| crania (skulls) | |
|---|---|
| USE | craniums |
| craniums | |
|---|---|
| UF | brain cases |
| braincases | |
| crania (skulls) | |
| RT | morphology |
| anatomy | |
| skulls | |
| SN | Also index skulls. |
| Crassostrea virginica | |
|---|---|
| BT | Invertebrata |
| .Mollusca | |
| ..Bivalvia | |
| ...Ostreacea | |
| ....Ostreidae | |
| .....Crassostrea virginica | |
| SN | Species. |
| Crater Flat Tuff | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Miocene | |
| .....Crater Flat Tuff | |
| RT | Nevada |
| Bullfrog Member | |
| SN | S Nevada. Includes Bullfrog Member and Tram Member. Added to Thesaurus in 1989. |
| Crater Lake | |
|---|---|
| RT | Klamath County Oregon |
| Mount Mazama | |
| New Zealand | |
| North Island | |
| Ruapehu | |
| Oregon | |
| SN | In Cascade Range in Klamath County in SW Oregon. Also in numerous other locations. Indexed with county or island and country or region as applicable. |
| crater lakes | |
|---|---|
| BT | lakes |
| .crater lakes | |
| RT | craters |
| meteor craters | |
| lacustrine features | |
| volcanic features | |
| calderas | |
| cauldrons | |
| collapse structures | |
| subsidence | |
| lava lakes | |
| SN | Also index lacustrine features as applicable. Added to Thesaurus in 1993. |
| Crater Mound | |
|---|---|
| USE | Meteor Crater |
| Cratere du Noveau Quebec | |
|---|---|
| USE | New Quebec Crater |
| cratering | |
|---|---|
| RT | craters |
| cryptoexplosion features | |
| earthquakes | |
| geomorphology | |
| impact features | |
| resurfacing | |
| spalling | |
| Craters of the Moon | |
|---|---|
| BT | United States |
| .Idaho | |
| ..Craters of the Moon | |
| RT | national monuments |
| Blaine County Idaho | |
| Butte County Idaho | |
| SN | National Monument. SW Butte and NE Blaine counties, S central Idaho. Indexed with counties as applicable. Added to Thesaurus in 1989. |
| cratons | |
|---|---|
| RT | continental margin |
| continents | |
| crust | |
| forelands | |
| intracratonic basins | |
| shields | |
| supercontinents | |
| tectonic platforms | |
| tectonic units | |
| tectonics | |
| Craven County North Carolina | |
|---|---|
| BT | United States |
| .North Carolina | |
| ..Craven County North Carolina | |
| RT | Neuse River |
| SN | On both sides of the Neuse River in E North Carolina. |
| Crawford County Arkansas | |
|---|---|
| BT | United States |
| .Arkansas | |
| ..Crawford County Arkansas | |
| SN | NW Arkansas. |
| Crawford County Georgia | |
|---|---|
| BT | United States |
| .Georgia | |
| ..Crawford County Georgia | |
| SN | Central Georgia. |
| Crawford County Illinois | |
|---|---|
| BT | United States |
| .Illinois | |
| ..Crawford County Illinois | |
| SN | SE Illinois. |
| Crawford County Indiana | |
|---|---|
| BT | Indiana |
| .Crawford County Indiana | |
| SN | S Indiana. |
| Crawford County Iowa | |
|---|---|
| BT | United States |
| .Iowa | |
| ..Crawford County Iowa | |
| SN | W Iowa. |
| Crawford County Kansas | |
|---|---|
| BT | United States |
| .Kansas | |
| ..Crawford County Kansas | |
| SN | SE Kansas. |
| Crawford County Michigan | |
|---|---|
| BT | United States |
| .Michigan | |
| ..Michigan Lower Peninsula | |
| ...Crawford County Michigan | |
| SN | N central Michigan. |
| Crawford County Missouri | |
|---|---|
| BT | United States |
| .Missouri | |
| ..Crawford County Missouri | |
| SN | E central Missouri. |
| Crawford County Ohio | |
|---|---|
| BT | United States |
| .Ohio | |
| ..Crawford County Ohio | |
| RT | Sandusky River basin |
| SN | N central Ohio. |
| Crawford County Pennsylvania | |
|---|---|
| BT | United States |
| .Pennsylvania | |
| ..Crawford County Pennsylvania | |
| SN | NW Pennsylvania. |
| Crawford County Wisconsin | |
|---|---|
| BT | United States |
| .Wisconsin | |
| ..Crawford County Wisconsin | |
| SN | SW Wisconsin. |
| Crawford Thrust | |
|---|---|
| BT | United States |
| .Crawford Thrust | |
| RT | Idaho |
| Wyoming | |
| SN | E Idaho and W Wyoming. Indexed with states as applicable. Added to Thesaurus in 1989. |
| Crazy Mountain Basin | |
|---|---|
| USE | Crazy Mountains Basin |
| Crazy Mountains | |
|---|---|
| RT | Alaska |
| East-Central Alaska | |
| Montana | |
| Park County Montana | |
| U. S. Rocky Mountains | |
| SN | Range of the Rocky Mountains in central Montana. Also occurs approximately 60 miles NE of Fairbanks, Alaska. Indexed with U. S. Rocky Mountains and counties and/or Montana; OR East-Central Alaska as applicable. Added to Thesaurus in 1989. |
| Crazy Mountains Basin | |
|---|---|
| BT | United States |
| .Montana | |
| ..Crazy Mountains Basin | |
| UF | Crazy Mountain Basin |
| RT | Meagher County Montana |
| Park County Montana | |
| Sweet Grass County Montana | |
| SN | S central Montana. Indexed with counties as applicable. Added to Thesaurus in 1989. |
| CREAMS | |
|---|---|
| UF | Chemicals, Runoff and Erosion from Agricultural Management Systems |
| RT | erosion |
| environmental geology | |
| soils | |
| agrochemicals | |
| GLEAMS | |
| computer programs | |
| models | |
| runoff | |
| soil erosion | |
| soil management | |
| water erosion | |
| SN | Model. Precursor to GLEAMS. |
| creationism | |
|---|---|
| UF | scientific creationism |
| RT | education |
| biologic evolution | |
| paleontology | |
| geology | |
| catastrophism | |
| uniformitarianism | |
| life origin | |
| philosophy | |
| SN | Added to Thesaurus in 1985. |
| Cree Lake | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..Saskatchewan | |
| ...Cree Lake | |
| SN | N Saskatchewan. Added to Thesaurus in 1981. |
| Creede Caldera | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Mineral County Colorado | |
| ...Creede Caldera | |
| BT | United States |
| .U. S. Rocky Mountains | |
| ..San Juan Mountains | |
| ...Creede Caldera | |
| RT | volcanoes |
| Creede Formation | |
| San Juan volcanic field | |
| SN | San Juan volcanic field, SW Colorado. This term has multiple hierarchies. |
| Creede Colorado | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Mineral County Colorado | |
| ...Creede Colorado | |
| SN | Town in SW Colorado. |
| Creede District | |
|---|---|
| USE | Creede mining district |
| Creede Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Oligocene | |
| .....Creede Formation | |
| RT | Colorado |
| Creede Caldera | |
| San Juan Mountains | |
| SN | San Juan Mountains province, SW Colorado. |
| Creede mining district | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Mineral County Colorado | |
| ...Creede mining district | |
| UF | Creede District |
| RT | mines |
| SN | Mining district in SW Colorado. Added to Thesaurus in 1993. |
| Creek County Oklahoma | |
|---|---|
| BT | United States |
| .Oklahoma | |
| ..Creek County Oklahoma | |
| creep | |
|---|---|
| UF | creeping |
| rock creep | |
| RT | mantle |
| slope stability | |
| soils | |
| active faults | |
| permafrost | |
| geomorphology | |
| deformation | |
| mechanical properties | |
| mass movements | |
| landslides | |
| stress | |
| etching | |
| dislocation creep | |
| elastic limit | |
| elastic strain | |
| relaxation | |
| slumping | |
| solifluction | |
| SN | Also index mass movements as applicable. |
| creeping | |
|---|---|
| USE | creep |
| Creil France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Oise France | |
| ....Creil France | |
| SN | Town N of Paris, N France. |
| Crenshaw County Alabama | |
|---|---|
| BT | United States |
| .Alabama | |
| ..Crenshaw County Alabama | |
| crenulation cleavage | |
|---|---|
| USE | slip cleavage |
| Creodonta | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Mammalia | |
| ....Theria | |
| .....Eutheria | |
| ......Creodonta | |
| SN | Order. |
| creosote | |
|---|---|
| RT | organic compounds |
| pollutants | |
| pollution | |
| waste disposal | |
| SN | Added to Thesaurus in 1989. |
| Crescent Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....Crescent Formation | |
| RT | Washington |
| SN | NW Washington. Added to Thesaurus in 1985. |
| Crested Butte Colorado | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Gunnison County Colorado | |
| ...Crested Butte Colorado | |
| SN | Town in W central Colorado. |
| Crestmore | |
|---|---|
| RT | Riverside County California |
| SN | Area in Riverside County, S California. Indexed with county or regions as applicable. |
| Cretaceous-Tertiary boundary | |
|---|---|
| USE | K-T boundary |
| Crete | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Greece | |
| ...Crete | |
| RT | Hellenides |
| Mediterranean Sea | |
| Hellenic Arc | |
| SN | Administrative region and island in E Mediterranean Sea. |
| Creuse France | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Creuse France | |
| RT | Millevaches Plateau |
| SN | Department in central France. |
| Crevasse Canyon Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Crevasse Canyon Formation | |
| RT | New Mexico |
| Mesaverde Group | |
| SN | In Mesaverde Group. NW New Mexico. Added to Thesaurus in 1985. |
| crevasses | |
|---|---|
| SN | See fissures and rupture. |
| CRIB | |
|---|---|
| UF | Computerized Resources Information Bank |
| RT | data processing |
| U. S. Geological Survey | |
| information systems | |
| geography | |
| data bases | |
| geodetic coordinates | |
| SN | Acronym. Later changed to MRDS (Mineral Resources Data System). Added to Thesaurus in 1985. |
| Cricetidae | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Mammalia | |
| ....Theria | |
| .....Eutheria | |
| ......Rodentia | |
| .......Myomorpha | |
| ........Cricetidae | |
| NT | Microtus |
| Mimomys | |
| Neotoma | |
| Pliomys | |
| SN | Family. |
| Crimea Ukraine | |
|---|---|
| BT | Europe |
| .Ukraine | |
| ..Crimea Ukraine | |
| NT | Bakhchisarai Ukraine |
| Crimean Mountains | |
| Crimean Plain | |
| Kerch Peninsula | |
| Kerch Ukraine | |
| Simferopol Ukraine | |
| Sivash | |
| Tarkhankut Peninsula | |
| Yalta Ukraine | |
| UF | Krym Ukraine |
| RT | Alma River |
| Azov region | |
| Russian Platform | |
| Krymka Meteorite | |
| Maikop Series | |
| SN | Autonomous republic and region jutting into the Black Sea. This term has multiple hierarchies. |
| Crimean Mountains | |
|---|---|
| BT | Europe |
| .Ukraine | |
| ..Crimea Ukraine | |
| ...Crimean Mountains | |
| SN | Range in S Crimea along Black Sea Coast. This term has multiple hierarchies. |
| Crimean Plain | |
|---|---|
| BT | Europe |
| .Ukraine | |
| ..Crimea Ukraine | |
| ...Crimean Plain | |
| SN | Dry, level steppe covering the northern 80% of Crimean Peninsula. This term has multiple hierarchies. |
| crinanite | |
|---|---|
| BT | igneous rocks |
| .volcanic rocks | |
| ..basalts | |
| ...alkali basalts | |
| ....crinanite | |
| Criner Hills | |
|---|---|
| BT | United States |
| .Oklahoma | |
| ..Criner Hills | |
| SN | S central Oklahoma. Added to Thesaurus in 1985. |
| Crinoidea | |
|---|---|
| BT | Invertebrata |
| .Echinodermata | |
| ..Crinozoa | |
| ...Crinoidea | |
| NT | Inadunata |
| Crinozoa | |
|---|---|
| BT | Invertebrata |
| .Echinodermata | |
| ..Crinozoa | |
| NT | Blastoidea |
| Crinoidea | |
| Cystoidea | |
| Eocrinoidea | |
| Lepidocystoidea | |
| Parablastoidea | |
| Paracrinoidea | |
| UF | Pelmatozoa |
| Cripple Creek Colorado | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Teller County Colorado | |
| ...Cripple Creek Colorado | |
| SN | City in central Colorado. |
| Crisana-Maramures | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Romania | |
| ...Transylvania | |
| ....Crisana-Maramures | |
| RT | Maramures Romania |
| SN | Historical province in NW Transylvania. |
| Crisp County Georgia | |
|---|---|
| BT | United States |
| .Georgia | |
| ..Crisp County Georgia | |
| cristobalite | |
|---|---|
| BT | silicates |
| .framework silicates | |
| ..silica minerals | |
| ...cristobalite | |
| RT | quartz |
| opal-CT | |
| tridymite | |
| critic |
|---|
| critical flow | |
|---|---|
| RT | hydraulics |
| hydrodynamics | |
| hydrology | |
| laminar flow | |
| turbulence | |
| SN | Added to Thesaurus in 1982. |
| critical load | |
|---|---|
| RT | acid rain |
| acidification | |
| air | |
| aluminum | |
| ecology | |
| ecosystems | |
| loading | |
| metals | |
| nitrate ion | |
| nitrogen | |
| pH | |
| pollution | |
| sulfate ion | |
| sulfur | |
| SN | Measure of acid deposition which will not cause long term damage to ecosystems. Indexed with elements or ions discussed. |
| critical review | |
|---|---|
| RT | review |
| SN | Added to Thesaurus in 1981. |
| Crittenden County Arkansas | |
|---|---|
| BT | United States |
| .Arkansas | |
| ..Crittenden County Arkansas | |
| SN | E Arkansas. |
| Crittenden County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Crittenden County Kentucky | |
| SN | W Kentucky. |
| CRM | |
|---|---|
| USE | chemical remanent magnetization |
| Croatan Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Croatan Formation | |
| RT | Pliocene |
| Pleistocene | |
| North Carolina | |
| SN | E North Carolina. Indexed with ages as applicable. Added to Thesaurus in 1989. |
| Croatia | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Croatia | |
| NT | Limski Channel |
| Split Croatia | |
| Velebit Mountains | |
| UF | Hrvatska Republika |
| RT | Adriatic region |
| Yugoslavia | |
| Dalmatia | |
| Mediterranean region | |
| Alps | |
| Balkan Peninsula | |
| Dinaric Alps | |
| Eastern Alps | |
| Limestone Alps | |
| Pannonian Basin | |
| Neretva Valley | |
| Osogovo Mountains | |
| Istria | |
| Karst region | |
| SN | W Balkan Peninsula, along the NE Adriatic Sea. Before 1995, Yugoslavia was a broader term. |
| crocidolite | |
|---|---|
| BT | silicates |
| .chain silicates | |
| ..amphibole group | |
| ...clinoamphibole | |
| ....crocidolite | |
| UF | krokidolite |
| RT | riebeckite |
| SN | Variety of riebeckite. |
| Crockett County Tennessee | |
|---|---|
| BT | United States |
| .Tennessee | |
| ..Crockett County Tennessee | |
| Crockett County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Crockett County Texas | |
| Crocodile River basin | |
|---|---|
| USE | Limpopo Basin |
| Crocodilia | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Reptilia | |
| ....Diapsida | |
| .....Archosauria | |
| ......Crocodilia | |
| NT | Crocodylidae |
| Teleosauridae | |
| SN | Order. |
| Crocodylidae | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Reptilia | |
| ....Diapsida | |
| .....Archosauria | |
| ......Crocodilia | |
| .......Crocodylidae | |
| SN | Family. |
| crocoite | |
|---|---|
| BT | chromates |
| .crocoite | |
| Cromerian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Upper Pleistocene | |
| ......Cromerian | |
| NT | South Polish Glaciation |
| SN | Glaciation. Europe. |
| Crook County Oregon | |
|---|---|
| BT | United States |
| .Oregon | |
| ..Crook County Oregon | |
| SN | Central Oregon. |
| Crook County Wyoming | |
|---|---|
| BT | United States |
| .Wyoming | |
| ..Crook County Wyoming | |
| RT | Black Hills |
| SN | NE Wyoming. |
| Crooked Creek Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Crooked Creek Formation | |
| RT | Oklahoma |
| Kansas | |
| SN | In Meade Group. Southwestern Kansas and northwestern Oklahoma. |
| Crosby County Texas | |
|---|---|
| BT | United States |
| .Texas | |
| ..Crosby County Texas | |
| Cross County Arkansas | |
|---|---|
| BT | United States |
| .Arkansas | |
| ..Cross County Arkansas | |
| cross folds | |
|---|---|
| USE | superposed folds |
| cross fractures | |
|---|---|
| BT | fractures |
| .cross fractures | |
| UF | cross joints |
| RT | joints |
| cleats | |
| SN | Before 1978, search cross AND (fractures or joints). |
| cross joints | |
|---|---|
| USE | cross fractures |
| Cross Lake | |
|---|---|
| RT | Finger Lakes |
| Manitoba | |
| New York | |
| SN | W central New York; also in central Manitoba. Indexed with New York or Manitoba as applicable. Added to Thesaurus in 1989. |
| cross sections | |
|---|---|
| NT | balanced cross sections |
| UF | cross-sections |
| RT | stratigraphy |
| borehole sections | |
| pit sections | |
| polished sections | |
| stratigraphic columns | |
| thin sections | |
| type sections | |
| SN | From 1978-1992, also search sections. Added to Thesaurus in 1993. |
| cross-bedding | |
|---|---|
| BT | sedimentary structures |
| .planar bedding structures | |
| ..cross-bedding | |
| UF | crossbedding |
| RT | bedding |
| laminations | |
| cross-laminations | |
| cross-stratification | |
| cross-correlation | |
|---|---|
| USE | crosscorrelation |
| cross-hole methods | |
|---|---|
| USE | crosshole methods |
| cross-laminations | |
|---|---|
| BT | sedimentary structures |
| .planar bedding structures | |
| ..cross-laminations | |
| UF | diagonal lamination |
| RT | cross-bedding |
| laminations | |
| cross-stratification | |
| ripple drift-cross laminations | |
| cross-sections | |
|---|---|
| USE | cross sections |
| cross-stratification | |
|---|---|
| BT | sedimentary structures |
| .planar bedding structures | |
| ..cross-stratification | |
| RT | cross-bedding |
| stratification | |
| cross-laminations | |
| hummocky cross-stratification | |
| crossbedding | |
|---|---|
| USE | cross-bedding |
| crosscorrelation | |
|---|---|
| BT | statistical analysis |
| .crosscorrelation | |
| UF | cross-correlation |
| RT | mathematical geology |
| mathematical methods | |
| autocorrelation | |
| geostatistics | |
| SN | Added to Thesaurus in 1985. |
| crosshole methods | |
|---|---|
| UF | cross-hole methods |
| RT | geophysical methods |
| seismic methods | |
| electrical methods | |
| resistivity | |
| boreholes | |
| electromagnetic methods | |
| tomography | |
| SN | Added to Thesaurus in 1993. |
| crossite | |
|---|---|
| BT | silicates |
| .chain silicates | |
| ..amphibole group | |
| ...clinoamphibole | |
| ....crossite | |
| RT | glaucophane |
| Crossopterygii | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Pisces | |
| ...Osteichthyes | |
| ....Sarcopterygii | |
| .....Crossopterygii | |
| NT | Actinistia |
| Rhipidistia | |
| SN | Order. |
| Crow Mountain Sandstone | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Triassic | |
| ....Upper Triassic | |
| .....Crow Mountain Sandstone | |
| RT | Wyoming |
| Chugwater Formation | |
| SN | In Chugwater Formation. NW Wyoming. Added to Thesaurus in 1995. |
| Crow Wing County Minnesota | |
|---|---|
| BT | United States |
| .Minnesota | |
| ..Crow Wing County Minnesota | |
| Crowley County Colorado | |
|---|---|
| BT | United States |
| .Colorado | |
| ..Crowley County Colorado | |
| Crowsnest Pass | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..British Columbia | |
| ...Crowsnest Pass | |
| SN | In SE British Columbia. |
| Crozet Islands | |
|---|---|
| BT | Indian Ocean Islands |
| .Crozet Islands | |
| SN | Five small French islands SE of South Africa. |
| Crozon Peninsula | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Finistere France | |
| ....Crozon Peninsula | |
| SN | S of Brest in Brittany in W France. |
| CRPG | |
|---|---|
| BT | government agencies |
| .CRPG | |
| UF | Centre de Recherches Petrographiques et Geochimiques |
| RT | France |
| CNRS | |
| SN | Acronym. Located in Vandoeuvre-les-Nancy, France. Added to Thesaurus in 1985. |
| crude oil | |
|---|---|
| RT | hydrocarbons |
| oil spills | |
| organic compounds | |
| petroleum | |
| volatile organic compounds | |
| SN | This term is used for petroleum after it has left the ground. It occurs infrequently in GeoRef, largely in the context of pollution and production. For studies of oil before it leaves the ground, see petroleum. For discussions of oil resources and reserve |
| crushed stone | |
|---|---|
| BT | construction materials |
| .crushed stone | |
| UF | stone, crushed |
| RT | aggregate |
| gravel deposits | |
| weathering | |
| conservation | |
| building stone | |
| granite deposits | |
| limestone deposits | |
| marble deposits | |
| sandstone deposits | |
| SN | Includes use both as a commodity term and an engineering material. See List C for use as a commodity. |
| crust | |
|---|---|
| NT | continental crust |
| lower crust | |
| middle crust | |
| oceanic crust | |
| upper crust | |
| RT | asthenosphere |
| basaltic layer | |
| basement | |
| Conrad discontinuity | |
| core | |
| cratons | |
| crustal shortening | |
| crustal thickening | |
| crustal thinning | |
| delamination | |
| discontinuities | |
| Earth | |
| earthquakes | |
| encrustations | |
| epeirogeny | |
| geophysics | |
| geosynclines | |
| geothermal gradient | |
| granitic lay | |
| SN | Used for the large-scale Earth's crust, and the crust of the planets and their satellites. As of 1981, for the crust of the Moon, use lunar crust. Also search crusts. For thin surface crusts, see weathering crust, encrustations, rock varnish. |
| crust, weathering | |
|---|---|
| USE | weathering crust |
| Crustacea | |
|---|---|
| BT | Invertebrata |
| .Arthropoda | |
| ..Mandibulata | |
| ...Crustacea | |
| NT | Branchiopoda |
| Cirripedia | |
| Copepoda | |
| Malacostraca | |
| Ostracoda | |
| RT | Trilobita |
| crustal shortening | |
|---|---|
| UF | shortening, crustal |
| RT | tectonics |
| plate tectonics | |
| crust | |
| thrust faults | |
| transpression | |
| crustal thickening | |
| gravity sliding | |
| SN | Before 1978, also search shortening AND crustal. |
| crustal structure | |
|---|---|
| SN | Not a valid term for GeoRef. Use crust. |
| crustal studies | |
|---|---|
| SN | Not a valid term for GeoRef. Use crust. |
| crustal thickening | |
|---|---|
| RT | crust |
| crustal shortening | |
| crustal thinning | |
| delamination | |
| lithosphere | |
| lower crust | |
| neotectonics | |
| plate tectonics | |
| tectonics | |
| thick-skinned tectonics | |
| thickness | |
| undation | |
| upper crust | |
| SN | Added to Thesaurus in 1995. |
| crustal thinning | |
|---|---|
| RT | crust |
| crustal thickening | |
| plate tectonics | |
| tectonics | |
| tectonophysics | |
| thickness | |
| thin-skinned tectonics | |
| SN | Added to Thesaurus in 1993. |
| Cruziana | |
|---|---|
| BT | ichnofossils |
| .Cruziana | |
| RT | Trilobita |
| Cryogenian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Proterozoic | |
| ...Neoproterozoic | |
| ....Cryogenian | |
| cryogeology | |
|---|---|
| SN | Use glacial geology or permafrost as applicable. |
| cryokarst | |
|---|---|
| USE | thermokarst |
| cryolite | |
|---|---|
| BT | halides |
| .fluorides | |
| ..cryolite | |
| RT | cryolite deposits |
| SN | As of 1981, use cryolite deposits for cryolite as a commodity. |
| cryolite deposits | |
|---|---|
| RT | cryolite |
| fluorspar | |
| SN | Commodity. See List C. |
| cryopedology | |
|---|---|
| RT | engineering geology |
| frost action | |
| glacial geology | |
| periglacial features | |
| permafrost | |
| Cryosols | |
|---|---|
| BT | soils |
| .Cryosols | |
| cryotectonics | |
|---|---|
| USE | glaciotectonics |
| cryoturbation | |
|---|---|
| UF | congeliturbation |
| frost churning | |
| frost stirring | |
| geliturbation | |
| RT | rock mechanics |
| soil mechanics | |
| congelifraction | |
| frost action | |
| frost heaving | |
| patterned ground | |
| periglacial features | |
| cryptoexplosion features | |
|---|---|
| NT | shatter cones |
| UF | cryptoexplosion structures |
| features, cryptoexplosion | |
| RT | geomorphology |
| impact features | |
| craters | |
| impact craters | |
| meteor craters | |
| planar deformation features | |
| explosions | |
| suevite | |
| Charlevoix | |
| cratering | |
| impacts | |
| impactite | |
| Manicouagan Crater | |
| shock metamorphism | |
| zhamanshinite | |
| SN | Before 1973, also search cryptoexplosion structures. Used for structures formed by the explosive release of energy, that exhibit intense rock deformation, and that show no obvious genetic relation to volcanism, tectonics, or meteorite impact. |
| cryptoexplosion structures | |
|---|---|
| USE | cryptoexplosion features |
| cryptogam | |
|---|---|
| SN | Not a valid GeoRef index term after 1969. Now use thallophytes, Bryophyta or Pteridophyta as applicable. |
| Cryptolithus | |
|---|---|
| BT | Invertebrata |
| .Arthropoda | |
| ..Trilobitomorpha | |
| ...Trilobita | |
| ....Ptychopariida | |
| .....Cryptolithus | |
| SN | Genus. |
| cryptomelane | |
|---|---|
| BT | oxides |
| .cryptomelane | |
| RT | manganese minerals |
| cryptoperthite | |
|---|---|
| BT | silicates |
| .framework silicates | |
| ..feldspar group | |
| ...alkali feldspar | |
| ....cryptoperthite | |
| RT | perthite |
| Cryptostomata | |
|---|---|
| BT | Invertebrata |
| .Bryozoa | |
| ..Cryptostomata | |
| NT | Fenestellidae |
| Rhabdomesidae | |
| crystal chemistry | |
|---|---|
| UF | mineral chemistry |
| stereochemistry | |
| RT | geochemistry |
| chemical analysis | |
| clay mineralogy | |
| ion exchange | |
| crystal structure | |
| crystal systems | |
| crystallography | |
| bonding | |
| lattice parameters | |
| crystal growth | |
| electron microscopy | |
| crystal field | |
| coordination | |
| crystal zoning | |
| exsolution | |
| grain boundaries | |
| isomorphism | |
| m | |
| SN | Used for the relations among chemical composition, structure and properties of crystals. |
| crystal defects | |
|---|---|
| SN | Not a valid term for GeoRef. See defects, point defects, crystal dislocations, or surface defects, if applicable. |
| crystal dislocations | |
|---|---|
| UF | line defects |
| RT | minerals |
| crystal structure | |
| crystal growth | |
| crystals | |
| defects | |
| point defects | |
| surface defects | |
| SN | Before 1981, also search dislocations AND minerals. Added to Thesaurus in 1981. |
| crystal field | |
|---|---|
| UF | field, crystal |
| RT | minerals |
| symmetry | |
| crystal structure | |
| optical properties | |
| crystal chemistry | |
| color | |
| SN | Interactions of individual atoms and their respective electron configurations, which, collectively, influence crystal structure and properties. |
| crystal form | |
|---|---|
| UF | form, crystal |
| RT | crystal systems |
| crystal growth | |
| goniometry | |
| habit | |
| crystal fractionation | |
|---|---|
| UF | gravitational differentiation |
| RT | magmas |
| chemical fractionation | |
| fractional crystallization | |
| crystallization | |
| magmatic differentiation | |
| segregation | |
| SN | Refers to differentiation of magmas resulting from the floating or settling, under gravity, of mineral crystals being formed. Also see fractional crystallization. Added to Thesaurus in 1993. |
| crystal growth | |
|---|---|
| RT | clay mineralogy |
| crystal chemistry | |
| crystal dislocations | |
| crystal form | |
| crystal structure | |
| crystal zoning | |
| crystallography | |
| electron microscopy | |
| epitaxy | |
| fluid inclusions | |
| geochemistry | |
| grain boundaries | |
| growth | |
| growth spirals | |
| habit | |
| inclusions | |
| intergrowths | |
| lattice par | |
| SN | Used for studies on natural or artificial growth of crystals. |
| crystal habit | |
|---|---|
| USE | habit |
| crystal lattice | |
|---|---|
| USE | lattice |
| Crystal River Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....Crystal River Formation | |
| RT | Florida |
| Ocala Group | |
| SN | In Ocala Group. N and W Florida. |
| crystal structure | |
|---|---|
| UF | crystalline structure |
| RT | clay mineralogy |
| crystallinity | |
| atomic packing | |
| crystal systems | |
| crystallography | |
| etching | |
| bonding | |
| cell dimensions | |
| crystal chemistry | |
| crystal growth | |
| crystal field | |
| color centers | |
| exsolution | |
| crystal dislocations | |
| defects | |
| goniometry | |
| growth spirals | |
| fluorite structure | |
| SN | Used for the internal structure of a crystal. Also search atomic structure. |
| crystal systems | |
|---|---|
| NT | hexagonal system |
| monoclinic system | |
| orthorhombic system | |
| triclinic system | |
| RT | atomic packing |
| crystal chemistry | |
| crystal form | |
| crystal structure | |
| crystallography | |
| crystals | |
| lattice | |
| minerals | |
| symmetry | |
| unit cell | |
| SN | Added to Thesaurus in 1983. |
| crystal zoning | |
|---|---|
| RT | crystal chemistry |
| crystal growth | |
| crystallization | |
| crystallography | |
| crystals | |
| fractional crystallization | |
| grain boundaries | |
| magmas | |
| magmatic differentiation | |
| mineralogy | |
| minerals | |
| petrography | |
| phase equilibria | |
| reaction rims | |
| zoning | |
| SN | See zoning. Before 1982, also search zoning; zonation; zones. Before 1975, also search mineral zoning. Added to Thesaurus in 1982. |
| crystal, quartz | |
|---|---|
| USE | quartz crystal |
| crystalline limestone | |
|---|---|
| USE | marbles |
| crystalline rocks | |
|---|---|
| RT | igneous rocks |
| metamorphic rocks | |
| rocks | |
| symplectite | |
| SN | Used only when rocks cannot be distinguished as igneous or metamorphic. |
| crystalline structure | |
|---|---|
| USE | crystal structure |
| crystallinity | |
|---|---|
| RT | amorphous materials |
| clay mineralogy | |
| crystal structure | |
| diagenesis | |
| illite | |
| SN | Degree to which a clay mineral, such as illite, is crystalline. |
| crystallites | |
|---|---|
| RT | magmas |
| volcanic glass | |
| crystallization magnetization | |
|---|---|
| USE | chemical remanent magnetization |
| crystallization remanent magnetization | |
|---|---|
| USE | chemical remanent magnetization |
| crystallography | |
|---|---|
| RT | atomic packing |
| Brillouin spectra | |
| clay mineralogy | |
| color centers | |
| crystal chemistry | |
| crystal growth | |
| crystal structure | |
| crystal systems | |
| crystal zoning | |
| crystals | |
| defects | |
| electron microscopy | |
| geochemistry | |
| goniometry | |
| grain boundaries | |
| growth spirals | |
| hexagonal system | |
| SN | Used for general studies on the discipline of crystallography as a whole. |
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