SEDIS - Thesaurus
Si  | |
|---|---|
| USE | silicon |
| Si-32 | |
|---|---|
| BT | isotopes |
| .radioactive isotopes | |
| ..Si-32 | |
| BT | silicon |
| .Si-32 | |
| RT | accelerator mass spectroscopy |
| SN | This term has multiple hierarchies. |
| sial | |
|---|---|
| USE | granitic layer |
| Siam | |
|---|---|
| USE | Thailand |
| Sian China | |
|---|---|
| USE | Xi'an China |
| Sibay Russian Federation | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Bashkortostan Russian Federation | |
| ...Sibay Russian Federation | |
| SN | Town in the Southern Urals in Bashkortostan in SE European Russian Federation. Before 1993, Sibay Russian Republic was also used. This term has multiple hierarchies. |
| Siberia | |
|---|---|
| BT | Asia |
| .Siberia | |
| RT | Russian Federation |
| Kazakhstan | |
| Siberian Platform | |
| Russian Far East | |
| Central Asia | |
| Baikal rift zone | |
| Baikalian Phase | |
| Beringia | |
| Ob River | |
| Russian Pacific region | |
| Khatanga Basin | |
| Moty Formation | |
| Omolon Block | |
| Popigay Structure | |
| Tunguska Basin | |
| Tunguska Syneclise | |
| West Sib | |
| SN | Region in Asia extending from the Urals to the Pacific Ocean, and from the Arctic Ocean to the Chinese and Mongolian borders and including N Kazakhstan. Indexed with former Soviet republics as applicable. |
| Siberia-Soviet Far East | |
|---|---|
| USE | Russian Far East |
| Siberian fold belt | |
|---|---|
| BT | Asia |
| .Siberian fold belt | |
| NT | Baikal region |
| Sayan | |
| RT | Russian Federation |
| Altai Mountains | |
| Tuva Russian Federation | |
| SN | Added to Thesaurus in 1981. |
| Siberian Lowland | |
|---|---|
| BT | Asia |
| .West Siberia | |
| ..Siberian Lowland | |
| UF | West Siberian Basin |
| West Siberian Lowland | |
| West Siberian Plain | |
| RT | Russian Federation |
| Kazakhstan | |
| Ob-Irtysh Interfluve | |
| Megion Field | |
| Urengoy Field | |
| SN | Region comprising the West Siberian Plain which extends from the Urals in the W to the Yenisei River in the E, and from the Kara Sea in the N to the Kazakh Hills in the S. Also search Siberian. This term has multiple hierarchies. Indexed with former Sovie |
| Siberian Platform | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Siberian Platform | |
| BT | Asia |
| .Siberian Platform | |
| NT | Aldan Shield |
| Anabar Shield | |
| Angara-Lena Basin | |
| North Siberian Plain | |
| Tunguska | |
| Vilyuy Syneclise | |
| Yakutia region | |
| Yenisei Ridge | |
| UF | Central Siberian Plateau |
| West Siberian Platform | |
| RT | Udachnaya Pipe |
| Siberia | |
| Bazhenov Formation | |
| Mir Pipe | |
| SN | Region comprising the Central Siberian Plateau which lies between the Yenisei River on the W, and the Lena River on the E. Also search Siberian. This term has multiple hierarchies. |
| Sibiu Romania | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Romania | |
| ...Transylvania | |
| ....Sibiu Romania | |
| SN | City and county in S Transylvania. |
| Sibley County Minnesota | |
|---|---|
| BT | United States |
| .Minnesota | |
| ..Sibley County Minnesota | |
| Sichuan Basin | |
|---|---|
| BT | Asia |
| .Far East | |
| ..China | |
| ...Sichuan Basin | |
| UF | Szechwan Basin |
| RT | Sichuan China |
| SN | SW China. Added to Thesaurus in 1993. |
| Sichuan China | |
|---|---|
| BT | Asia |
| .Far East | |
| ..China | |
| ...Sichuan China | |
| NT | Panxi Rift |
| UF | Sichuan Sheng |
| Szechuan China | |
| RT | Wufeng Formation |
| Yangtze Platform | |
| Chongqing China | |
| Yangtze Three Gorges | |
| Xichang China | |
| Qinghai-Xizang Plateau | |
| Luoquan Formation | |
| Xianshuihe fault zone | |
| Sanjiang | |
| Sichuan Basin | |
| SN | Province, SW China. In 1997, the eastern part became the Chonqqing independent municipality. |
| Sichuan Sheng | |
|---|---|
| USE | Sichuan China |
| Sicilia Italy | |
|---|---|
| USE | Sicily Italy |
| Sicilian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Upper Pleistocene | |
| ......Sicilian | |
| SN | Europe. |
| Sicily Italy | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Sicily Italy | |
| NT | Caltanissetta Italy |
| Ciminna Basin | |
| Enna Italy | |
| Lipari Islands | |
| Madonie Mountains | |
| Messina Italy | |
| Mount Etna | |
| Nebrodi Mountains | |
| Palermo Italy | |
| Pantelleria | |
| Peloritani Mountains | |
| Syracuse Italy | |
| Trapani Italy | |
| Ustica Island | |
| UF | Sicilia Italy |
| RT | Mediterranean region |
| Mediterranean Sea | |
| Calabrian Arc | |
| SN | Island in Mediterranean Sea and autonomous region. |
| Sicker Group | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...upper Paleozoic | |
| ....Sicker Group | |
| RT | Permian |
| Pennsylvanian | |
| British Columbia | |
| Vancouver Island | |
| SN | Vancouver Island, British Columbia. Pennsylvanian? to Permian. Added to Thesaurus in 1989. |
| side-looking airborne radar | |
|---|---|
| USE | SLAR |
| side-scanning methods | |
|---|---|
| RT | acoustical methods |
| GLORIA | |
| methods | |
| radar methods | |
| SAR | |
| geophysical methods | |
| SLAR | |
| sonar methods | |
| SN | Added to Thesaurus in 1981. |
| sideraerolite | |
|---|---|
| USE | stony irons |
| Siderian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Proterozoic | |
| ...Paleoproterozoic | |
| ....Siderian | |
| siderite | |
|---|---|
| BT | carbonates |
| .siderite | |
| UF | chalybite |
| RT | iron ores |
| iron minerals | |
| siderite (meteorite) | |
|---|---|
| USE | iron meteorites |
| siderolite | |
|---|---|
| USE | stony irons |
| siderophile elemen |
|---|
| siderophile elements | |
|---|---|
| RT | chalcophile elements |
| chemical elements | |
| cobalt | |
| gold | |
| iron | |
| lithophile elements | |
| nickel | |
| phosphorus | |
| platinum | |
| SN | Chemical elements which tend to concentrate in metallic phases of meteorites. Also, an element possessing weak affinity for sulfur and oxygen. |
| siderophyre | |
|---|---|
| BT | meteorites |
| .stony irons | |
| ..siderophyre | |
| SN | Added to Thesaurus in 1984. |
| Sidhi India | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Madhya Pradesh India | |
| ....Sidhi India | |
| SN | Village and district in E Madhya Pradesh, central India. |
| Sidobre Massif | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Central Massif | |
| ....Sidobre Massif | |
| BT | Europe |
| .Western Europe | |
| ..France | |
| ...Tarn France | |
| ....Sidobre Massif | |
| SN | In S Central Massif NE of Castres. Also search Sidobre. This term has multiple hierarchies. |
| Siebengebirge | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...North Rhine-Westphalia Germany | |
| ....Siebengebirge | |
| BT | Europe |
| .Central Europe | |
| ..Germany | |
| ...Westerwald | |
| ....Siebengebirge | |
| SN | Hills in the Westerwald on right bank of Rhine River SSE of Bonn. This term has multiple hierarchies. |
| Siedlce Poland | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Siedlce Poland | |
| UF | Syedlets Poland |
| SN | Province and city in E Poland. |
| Siegenian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Lower Devonian | |
| .....Siegenian | |
| SN | Europe. Above Gedinnian, below Emsian. |
| siegenite | |
|---|---|
| BT | sulfides |
| .siegenite | |
| RT | linnaeite |
| Siena Italy | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Tuscany Italy | |
| ....Siena Italy | |
| SN | City and province in S central Tuscany. |
| Sierozems | |
|---|---|
| BT | soils |
| .Sierozems | |
| UF | Cerozem |
| Gray desert soil | |
| Gray earth | |
| Serozem | |
| RT | soil group |
| Zonal soils | |
| Sierra Ancha | |
|---|---|
| BT | United States |
| .Arizona | |
| ..Gila County Arizona | |
| ...Sierra Ancha | |
| SN | Ridge in E central Arizona. |
| Sierra Blanca | |
|---|---|
| RT | Lincoln County New Mexico |
| Otero County New Mexico | |
| Sangre de Cristo Mountains | |
| New Mexico | |
| SN | Range in Otero and Lincoln counties in S central New Mexico. Indexed with counties and mountains as applicable. |
| Sierra County California | |
|---|---|
| BT | United States |
| .California | |
| ..Sierra County California | |
| SN | NE California. |
| Sierra County New Mexico | |
|---|---|
| BT | United States |
| .New Mexico | |
| ..Sierra County New Mexico | |
| NT | Truth or Consequences New Mexico |
| RT | Black Range |
| Caballo Mountains | |
| Jornada del Muerto | |
| Orogrande Basin | |
| San Andres Mountains | |
| SN | SW New Mexico. |
| Sierra de Gador | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Andalusia Spain | |
| .....Almeria Spain | |
| ......Sierra de Gador | |
| SN | Range in SE Spain. |
| Sierra de Gredos | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Sierra de Gredos | |
| RT | Avila Spain |
| Caceres Spain | |
| Toledo Spain | |
| Madrid Spain | |
| SN | Range W of Madrid in W central Spain. |
| Sierra de Guadarrama | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Sierra de Guadarrama | |
| RT | Avila Spain |
| Old Castile Spain | |
| Segovia Spain | |
| New Castile Spain | |
| Madrid Spain | |
| SN | Range N of Madrid separating Old Castile from New Castile. |
| Sierra de Juarez | |
|---|---|
| RT | Baja California |
| Baja California Norte Mexico | |
| Chiapas Mexico | |
| Chihuahua Mexico | |
| Oaxaca Mexico | |
| SN | Mountain range, N Baja California, Mexico. Also mountain ranges in southern and central Mexico. May also occur in other locations. Indexed with Mexican states or other location as applicable. Added to Thesaurus in 1985. |
| Sierra de la Demanda | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Sierra de la Demanda | |
| RT | Old Castile Spain |
| Burgos Spain | |
| La Rioja Spain | |
| Iberian Mountains | |
| SN | Range of the Cordillera Iberica in Old Castile in N Spain. |
| Sierra de los Filabres | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Iberian Peninsula | |
| ...Spain | |
| ....Andalusia Spain | |
| .....Almeria Spain | |
| ......Sierra de los Filabres | |
| RT | Nevado-Filabride Complex |
| SN | Range in W central Almeria Province, SE Spain. |
| Sierra de los Organos | |
|---|---|
| BT | Caribbean region |
| .West Indies | |
| ..Antilles | |
| ...Greater Antilles | |
| ....Cuba | |
| .....Pinar del Rio Cuba | |
| ......Sierra de los Organos | |
| SN | Range in W Pinar del Rio, W Cuba. |
| Sierra de Perija | |
|---|---|
| BT | South America |
| .Andes | |
| ..Sierra de Perija | |
| RT | Colombia |
| Venezuela | |
| Eastern Cordillera | |
| Zulia Venezuela | |
| SN | Range of the Andes on the Colombia-Venezuela border. Indexed with countries as applicable. Added to Thesaurus in 1985. |
| Sierra de Ronda | |
|---|---|
| USE | Serrania de Ronda |
| Sierra Gorda | |
|---|---|
| BT | Mexico |
| .Guanajuato Mexico | |
| ..Sierra Gorda | |
| RT | Sierra Madre Occidental |
| SN | E range of S Sierra Madre Occidental in central Mexico. |
| Sierra Leone | |
|---|---|
| BT | Africa |
| .West Africa | |
| ..Sierra Leone | |
| SN | Former British colony and protectorate. Became independent in 1961. |
| Sierra Leone Rise | |
|---|---|
| BT | Atlantic Ocean |
| .North Atlantic | |
| ..Sierra Leone Rise | |
| RT | Leg 41 |
| DSDP Site 13 | |
| Equatorial Atlantic | |
| DSDP Site 366 | |
| ODP Site 668 | |
| ODP Site 665 | |
| ODP Site 666 | |
| ODP Site 667 | |
| SN | SW of West Africa in NE Equatorial Atlantic. Added to Thesaurus in 1981. |
| Sierra Madre | |
|---|---|
| RT | Luzon |
| Mexico | |
| North American Cordillera | |
| California | |
| Sierra Madre del Sur | |
| Sierra Madre Occidental | |
| Sierra Madre Oriental | |
| Sierra Madre Range | |
| SN | Chief Mexican mountain system extending 1500 miles SE from U.S. border including 3 separate ranges which enclose the great central plateau. Before 1978, this term also included the Sierra Madre Range of Wyoming. Also used for ranges on Luzon, Philippines |
| Sierra Madre del Sur | |
|---|---|
| BT | Mexico |
| .Sierra Madre del Sur | |
| RT | Guerrero Mexico |
| Mexican volcanic belt | |
| Sierra Madre | |
| Oaxaca Mexico | |
| SN | Coastal range in SW Mexico. Indexed with Sierra Madre and Mexican states as applicable. |
| Sierra Madre Occidental | |
|---|---|
| BT | Mexico |
| .Sierra Madre Occidental | |
| RT | Chihuahua Mexico |
| Sonora Mexico | |
| Jalisco Mexico | |
| Mexican volcanic belt | |
| Colima Mexico | |
| Durango Mexico | |
| Nayarit Mexico | |
| Zacatecas Mexico | |
| Sierra Madre | |
| Sierra Gorda | |
| SN | Range running for 700 miles parallel to the Pacific Ocean. Indexed with Mexican states and Sierra Madre as applicable. |
| Sierra Madre Oriental | |
|---|---|
| BT | Mexico |
| .Sierra Madre Oriental | |
| RT | Tamaulipas Mexico |
| Coahuila Mexico | |
| Hidalgo Mexico | |
| Puebla Mexico | |
| Sierra Madre | |
| Nuevo Leon Mexico | |
| Veracruz Mexico | |
| San Luis Potosi Mexico | |
| SN | Range running parallel to the Gulf of Mexico. Indexed with Mexican states and Sierra Madre as applicable. |
| Sierra Madre Range | |
|---|---|
| BT | United States |
| .Wyoming | |
| ..Sierra Madre Range | |
| RT | Sierra Madre |
| Mullen Creek-Nash Fork shear zone | |
| SN | Range in Continental Divide, S Wyoming, just W of North Platte River. Also search Sierra Madre AND Wyoming. |
| Sierra Morena | |
|---|---|
| SN | A valid term through mid-1978. See Betic Cordillera. |
| Sierra Nevada | |
|---|---|
| RT | Cascade Range |
| Long Valley Caldera | |
| Melones Fault | |
| Mount Lyell | |
| Nevadan Orogeny | |
| North American Cordillera | |
| California | |
| Sonoma Orogeny | |
| Spanish Sierra Nevada | |
| Table Mountain | |
| White Mountain | |
| SN | Mountain range in E California. Search Sierra Nevada AND California. May also occur in other locations. After 1981, see Spanish Sierra Nevada if applicable. Indexed with states or regions and mountains as applicable. |
| Sierra Nevada Batholith | |
|---|---|
| BT | United States |
| .California | |
| ..Sierra Nevada Batholith | |
| SN | E central California. Added to Thesaurus in 1981. |
| Sierra Nevada de Santa Marta | |
|---|---|
| BT | South America |
| .Colombia | |
| ..Sierra Nevada de Santa Marta | |
| RT | Santa Marta Colombia |
| SN | Mountain range in N Colombia on Caribbean coast. |
| Sierra Pena Blanca | |
|---|---|
| BT | Mexico |
| .Chihuahua Mexico | |
| ..Sierra Pena Blanca | |
| SN | Chihuahua, N Mexico. Added to Thesaurus in 1989. |
| Sierras Australes | |
|---|---|
| BT | South America |
| .Argentina | |
| ..Buenos Aires Argentina | |
| ...Sierras Australes | |
| UF | Southern Ranges, Buenos Aires |
| SN | Group of mountain ranges in S Buenos Aires Province, E Argentina. Also index individual ranges if available. Added to Thesaurus in 1995. |
| Sierras Pampeanas | |
|---|---|
| USE | Pampean Mountains |
| Sierrita Mountains | |
|---|---|
| RT | Arizona |
| Pima County Arizona | |
| SN | S Arizona. Location of porphyry copper deposits. Indexed with counties or region as applicable. |
| Sifton Basin | |
|---|---|
| BT | Canada |
| .Western Canada | |
| ..British Columbia | |
| ...Sifton Basin | |
| SN | N British Columbia. Also search Sifton. |
| Sigillaria | |
|---|---|
| BT | Plantae |
| .Pteridophyta | |
| ..Lycopsida | |
| ...Sigillaria | |
| SN | Genus. |
| Sigma Mine | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Quebec | |
| ...Sigma Mine | |
| RT | mines |
| Abitibi Belt | |
| gold ores | |
| Val d'Or Quebec | |
| SN | Gold ores. Val d'Or, SW Quebec. Added to Thesaurus in 1989. |
| signal distortion | |
|---|---|
| RT | distortion |
| elastic waves | |
| seismology | |
| SN | Added to Thesaurus in 1981. |
| Signal Hill Formation | |
|---|---|
| BT | ronian |
| .Signal Hill Formation | |
| RT | Canada |
| Newfoundland Island | |
| SN | Unconformably underlies Random Formation and overlies Avalonian Formation. |
| signal to noise ratios | |
|---|---|
| USE | signal-to-noise ratio |
| signal-to-noise ratio | |
|---|---|
| UF | signal to noise ratios |
| RT | seismology |
| geophysical methods | |
| geophysical surveys | |
| seismic methods | |
| seismograms | |
| stacking | |
| noise | |
| signals | |
| SN | Added to Thesaurus in 1981. |
| signals | |
|---|---|
| RT | filters |
| noise | |
| signal-to-noise ratio | |
| geophysical methods | |
| seismology | |
| teleseismic signals | |
| Signy Island | |
|---|---|
| BT | Antarctica |
| .South Orkney Islands | |
| ..Signy Island | |
| RT | Atlantic Ocean |
| SN | One of the South Orkney Islands SE of the Falkland Islands. This term has multiple hierarchies. |
| Sigsbee Deep | |
|---|---|
| BT | Atlantic Ocean |
| .North Atlantic | |
| ..Gulf of Mexico | |
| ...Sigsbee Deep | |
| RT | Campeche Scarp |
| DSDP Site 3 | |
| Mississippi Fan | |
| DSDP Site 91 | |
| SN | In SW central part of Gulf of Mexico. Before 1993, also search Mexico Basin AND Gulf of Mexico. |
| Sikhote Alin | |
|---|---|
| USE | Sikhote-Alin Range |
| SN | A valid term through 1976. |
| Sikhote-Alin Range | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Sikhote-Alin Range | |
| BT | Asia |
| .Sikhote-Alin Range | |
| UF | Sikhote Alin |
| RT | Russian Far East |
| Khabarovsk Russian Federation | |
| impact features | |
| Primorye Russian Federation | |
| SN | Mountain range in Primorye and Khabarovsk krays along the Japan Sea and the Tatar Strait. Before 1977, also search Sikhote-Alin. This term has multiple hierarchies. |
| Sikkim India | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Sikkim India | |
| RT | Himalayas |
| Lesser Himalayas | |
| Siwalik System | |
| Siwalik Range | |
| SN | Became an associated Indian state on Sept. 7, 1974. |
| Sila Massif | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Italy | |
| ...Calabria Italy | |
| ....Sila Massif | |
| RT | Apennines |
| Southern Apennines | |
| SN | In the Southern Apennines forming central part of toe of the Italian boot. |
| silcrete | |
|---|---|
| BT | sedimentary rocks |
| .chemically precipitated rocks | |
| ..silcrete | |
| RT | terrigenous materials |
| duricrust | |
| Silesia | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Silesia | |
| RT | Germany |
| Poland | |
| Czech Republic | |
| Moravia | |
| Lower Silesia | |
| Upper Silesia | |
| SN | Region in E central Europe lying mostly in SW Poland. It comprises both Upper and Lower Silesia plus small areas in E Germany and N Moravia. Indexed with countries as applicable. |
| Silesian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Silesian | |
| Silesian Basin | |
|---|---|
| USE | Silesian coal basin |
| Silesian coal basin | |
|---|---|
| BT | Europe |
| .Central Europe | |
| ..Poland | |
| ...Silesian coal basin | |
| UF | Silesian Basin |
| RT | coal fields |
| Wroclaw Poland | |
| Katowice Poland | |
| Lower Silesia | |
| Upper Silesia | |
| Upper Silesian coal basin | |
| SN | In Lower Silesia in Wroclaw Province, and in Upper Silesia in Katowice Province. Indexed with provinces as applicable. |
| silexite | |
|---|---|
| SN | As of 1981, no longer a valid term for GeoRef. Use quartzolite (for the igneous rock) or chert as applicable. |
| silica | |
|---|---|
| RT | abrasives |
| glass materials | |
| Ottawa Sand | |
| sand | |
| sands | |
| silica minerals | |
| silicates | |
| siliceous composition | |
| silicic acid | |
| silicon | |
| SN | As of 1985, no longer considered a commodity term (list C). Used for silicon dioxide. |
| silica group | |
|---|---|
| USE | silica minerals |
| silicate glass | |
|---|---|
| SN | As of 1998, not a valid term for GeoRef. Use (volcanic glass or glasses) AND (silicates or siliceous composition). For natural glasses which are not volcanic, glass materials is be used. See silicate melts if applicable. |
| silicate melts | |
|---|---|
| BT | melts |
| .silicate melts | |
| RT | petrology |
| magmas | |
| geophysics | |
| phase equilibria | |
| liquid phase | |
| SN | Also search silicates and melts. |
| silicate minerals | |
|---|---|
| USE | silicates |
| silicate rocks | |
|---|---|
| RT | petrology |
| rocks | |
| siliceous composition | |
| standard materials | |
| silicates | |
|---|---|
| NT | aluminosilicates |
| asbestos | |
| barium silicates | |
| borosilicates | |
| chain silicates | |
| chlorophaeite | |
| framework silicates | |
| iron silicates | |
| magnesian silicates | |
| orthosilicates | |
| ring silicates | |
| sheet silicates | |
| UF | silicate minerals |
| RT | silica |
| minerals | |
| clay mineralogy | |
| silicon | |
| SN | In indexing, use this term only for broad treatments of the entire class of minerals; otherwise, use a narrower term, e.g. orthosilicates, ring silicates, chain silicates, etc. |
| siliceous composition | |
|---|---|
| RT | clastic rocks |
| composition | |
| insoluble residues | |
| jasperoid | |
| sedimentary rocks | |
| sediments | |
| silica | |
| silicate rocks | |
| siliceous sinter | |
| siliciclastics | |
| SN | Before 1978 also search siliceous in combination with specific sediment type. Also search siliceous rocks. |
| siliceous earth | |
|---|---|
| SN | Use diatomaceous earth or diatomite as applicable. |
| siliceous rocks | |
|---|---|
| SN | A valid term through 1977. After 1977, use siliceous composition. |
| siliceous sinter | |
|---|---|
| BT | sedimentary rocks |
| .chemically precipitated rocks | |
| ..siliceous sinter | |
| RT | siliceous composition |
| sintering | |
| SN | Also search sinter AND siliceous. |
| silicic acid | |
|---|---|
| UF | hydrated silica |
| silicic acids | |
| RT | silica |
| acids | |
| SN | SiO |
| silicic acids | |
|---|---|
| USE | silicic acid |
| silicic composition | |
|---|---|
| USE | acidic composition |
| siliciclastic rocks | |
|---|---|
| USE | siliciclastics |
| siliciclastics | |
|---|---|
| UF | siliciclastic rocks |
| RT | sedimentary rocks |
| clastic sediments | |
| sediments | |
| clastic rocks | |
| siliceous composition | |
| SN | Added to Thesaurus in 1989. |
| silicides | |
|---|---|
| BT | alloys |
| .silicides | |
| NT | ferrosilicon |
| RT | moissanite |
| silicification | |
|---|---|
| UF | silification |
| RT | sedimentation |
| processes | |
| metasomatism | |
| diagenesis | |
| fossilization | |
| chertification | |
| silicified wood | |
|---|---|
| USE | fossil wood |
| Silicispongiae | |
|---|---|
| BT | Invertebrata |
| .Porifera | |
| ..Silicispongiae | |
| UF | Noncalcarea |
| Silicoflagellata | |
|---|---|
| BT | Invertebrata |
| .Protista | |
| ..Silicoflagellata | |
| NT | Dictyocha |
| Distephanus | |
| RT | microfossils |
| SN | Indexed with microfossils if applicable. |
| silicon | |
|---|---|
| NT | Si-32 |
| UF | Si |
| RT | silica |
| silicates | |
| chemical elements | |
| moissanite | |
| ferrosilicon | |
| silicon carbide | |
|---|---|
| SN | Not a valid term for GeoRef. As of 1993, see carborundum for economic papers or carbides or moissanite, for minerals. Before 1993, also search carborundum. |
| silicon dioxide | |
|---|---|
| SN | Not a valid term for GeoRef. For geochemistry, see silica. Use specific silica minerals (list L) name if applicable or see commodity terms (list C). |
| silification | |
|---|---|
| USE | silicification |
| Siljan | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Scandinavia | |
| ...Sweden | |
| ....Siljan | |
| RT | Siljan Ring |
| SN | Lake in central Sweden. Also used for possible meteor crater before 1993. |
| Siljan Ring | |
|---|---|
| BT | Europe |
| .Western Europe | |
| ..Scandinavia | |
| ...Sweden | |
| ....Siljan Ring | |
| RT | impact features |
| Gravberg Well | |
| Siljan | |
| SN | Impact crater containing the lake, Siljan in central Sweden. Site of several deep drilling boreholes. Before 1993, also search Siljan. Added to Thesaurus in 1993. |
| sillimanite | |
|---|---|
| BT | silicates |
| .orthosilicates | |
| ..nesosilicates | |
| ...sillimanite | |
| UF | fibrolite |
| RT | andalusite |
| kyanite | |
| sillimanite deposits | |
| SN | As of 1981, use sillimanite deposits for sillimanite as a commodity. |
| sillimanite deposits | |
|---|---|
| RT | ceramic materials |
| sillimanite | |
| SN | May be used as a commodity term with ceramic materials. |
| sillimanite gneiss | |
|---|---|
| BT | metamorphic rocks |
| .gneisses | |
| ..sillimanite gneiss | |
| sills | |
|---|---|
| BT | intrusions |
| .sills | |
| RT | dikes |
| Silo Field | |
|---|---|
| RT | Laramie County Wyoming |
| oil and gas fields | |
| Taylor County Texas | |
| SN | In Laramie County, SE Wyoming. Also in Taylor County, Texas. Also occurs in other locations. Indexed with counties or region as applicable. Added to Thesaurus in 1995. |
| silt | |
|---|---|
| BT | sediments |
| .clastic sediments | |
| ..silt | |
| UF | silts |
| RT | sand |
| alluvium | |
| clay | |
| overbank sediments | |
| terrigenous materials | |
| loam | |
| mud | |
| loess | |
| siltation | |
| siltstone | |
| siltation | |
|---|---|
| RT | deposition |
| dredging | |
| maintenance | |
| reservoirs | |
| settling | |
| silt | |
| sedimentation | |
| waterways | |
| SN | Added to Thesaurus in 1982. |
| siltite | |
|---|---|
| USE | siltstone |
| silts | |
|---|---|
| USE | silt |
| siltstone | |
|---|---|
| BT | sedimentary rocks |
| .clastic rocks | |
| ..siltstone | |
| UF | siltite |
| RT | silt |
| terrigenous materials | |
| mudstone | |
| metasiltstone | |
| silvanite | |
|---|---|
| USE | sylvanite |
| silver | |
|---|---|
| BT | metals |
| .silver | |
| UF | Ag |
| RT | argentite |
| silver ores | |
| native elements | |
| chalcophile elements | |
| heavy metals | |
| electrum | |
| SN | Chemical element. Use silver ores for silver as a commodity. |
| Silver Bow County Montana | |
|---|---|
| BT | United States |
| .Montana | |
| ..Silver Bow County Montana | |
| NT | Butte Montana |
| SN | SW Montana. |
| Silver City Nevada | |
|---|---|
| BT | United States |
| .Nevada | |
| ..Lyon County Nevada | |
| ...Silver City Nevada | |
| SN | Hamlet in W Nevada. |
| Silver City New Mexico | |
|---|---|
| BT | United States |
| .New Mexico | |
| ..Grant County New Mexico | |
| ...Silver City New Mexico | |
| SN | Town in SW New Mexico. |
| Silver Peak Mountains | |
|---|---|
| BT | United States |
| .Nevada | |
| ..Esmeralda County Nevada | |
| ...Silver Peak Mountains | |
| SN | Small range in W Esmeralda County in SW Nevada. Also search Silver Peak. |
| Silverton Caldera | |
|---|---|
| BT | United States |
| .Colorado | |
| ..San Juan County Colorado | |
| ...Silverton Caldera | |
| RT | San Juan Mountains |
| SN | Near town of Silverton in San Juan County in San Juan Mountains of SW Colorado. Also search Silverton. |
| Silvretta Group | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Silvretta Group | |
| RT | Switzerland |
| Tyrol Austria | |
| SN | Also search Silvretta. |
| sima | |
|---|---|
| USE | basaltic layer |
| simazine | |
|---|---|
| BT | pesticides |
| .herbicides | |
| ..triazines | |
| ...simazine | |
| RT | pollutants |
| toxic materials | |
| Simbirsk Russian Federation | |
|---|---|
| USE | Ulyanovsk Russian Federation |
| Simcoe County Ontario | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Ontario | |
| ...Simcoe County Ontario | |
| NT | Borden Ontario |
| SN | S Georgian Bay, S Ontario. |
| Simferopol Ukraine | |
|---|---|
| BT | Europe |
| .Ukraine | |
| ..Crimea Ukraine | |
| ...Simferopol Ukraine | |
| SN | City in the S central Crimea, S Ukraine. This term has multiple hierarchies. |
| Simi Hills | |
|---|---|
| BT | United States |
| .California | |
| ..Ventura County California | |
| ...Simi Hills | |
| SN | In Ventura County NW of Los Angeles. Indexed with county or region as applicable. |
| Simi Valley California | |
|---|---|
| BT | United States |
| .California | |
| ..Ventura County California | |
| ...Simi Valley California | |
| SN | City in S California. |
| simians | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Mammalia | |
| ....Theria | |
| .....Eutheria | |
| ......Primates | |
| .......simians | |
| NT | Cercopithecidae |
| Platyrrhina | |
| Pongidae | |
| similar folds | |
|---|---|
| BT | folds |
| .similar folds | |
| UF | shear folds |
| slip folds | |
| RT | concentric folds |
| shear | |
| SN | Before 1978, also search shear folds. Before 1993, also search slip folds. Before 1978, also search similar and folds. |
| Simla Hills | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Himachal Pradesh India | |
| ....Simla Hills | |
| BT | malayas |
| .Kumaun Himalayas | |
| ..Simla Hills | |
| SN | Hill and mountain area of the outer Kumaun Himalayas around Simla in Himachal Pradesh. This term has multiple hierarchies. |
| Simla India | |
|---|---|
| BT | machal Pradesh India |
| .Simla India | |
| SN | Town and hill resort in S Himachal Pradesh, N India. |
| Simleu Basin | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Romania | |
| ...Transylvania | |
| ....Simleu Basin | |
| SN | In Bihor Mountains near town of Simleu Silvaniei in NW Transylvania. Also search Simleu. |
| Simplon region | |
|---|---|
| BT | Europe |
| .Simplon region | |
| RT | Switzerland |
| Italy | |
| Piemonte Italy | |
| SN | Includes Simplon Pass, Simplon Road, and Simplon Tunnel area. Also search Simplon. Indexed with Italy and/or Switzerland. |
| Simpson County Kentucky | |
|---|---|
| BT | United States |
| .Kentucky | |
| ..Simpson County Kentucky | |
| Simpson County Mississippi | |
|---|---|
| BT | United States |
| .Mississippi | |
| ..Simpson County Mississippi | |
| Simpson Desert | |
|---|---|
| RT | Australia |
| Northern Territory Australia | |
| Queensland Australia | |
| South Australia | |
| SN | Primarily in SE Northern Territory. Indexed with Northern Territory Australia and/or states as applicable. |
| Simpson Field | |
|---|---|
| RT | Alaska |
| Nebraska | |
| North Slope | |
| oil and gas fields | |
| SN | North Slope, Alaska. Also one in Nebraska. Search in conjunction with appropriate state. Indexed with counties and/or states as applicable. Added to Thesaurus in 1989. |
| Simpson Group | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Ordovician | |
| ....Middle Ordovician | |
| .....Simpson Group | |
| RT | Oklahoma |
| Bromide Formation | |
| SN | Comprises Joins, Oil Creek, McLish, Tulip Creek, Bromide, and Corbin Ranch formations. Central and S Oklahoma. |
| SIMS | |
|---|---|
| USE | secondary ion mass spectroscopy |
| Sinai | |
|---|---|
| UF | Sinai Peninsula |
| RT | Egypt |
| Israel | |
| Gavish Sebkha | |
| Sinai Egypt | |
| Solar Lake | |
| SN | Peninsula extending from the Mediterranean Sea to the Red Sea. It is bounded on the W by the Suez Canal and the Gulf of Suez, and on the E by Israel and the Gulf of Aqaba. Coextensive with the Egyptian governorate. As of 1993, see Sinai Egypt for the gove |
| Sinai Egypt | |
|---|---|
| BT | Africa |
| .North Africa | |
| ..Egypt | |
| ...Sinai Egypt | |
| RT | Gavish Sebkha |
| Sinai | |
| Solar Lake | |
| SN | Governorate, NE Egypt, coextensive with the Sinai Peninsula. Indexed with Middle East and/or Sinai. |
| Sinai Peninsula | |
|---|---|
| USE | Sinai |
| Sinaia Romania | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Romania | |
| ...Walachia | |
| ....Prahova Romania | |
| .....Sinaia Romania | |
| RT | Bucegi Mountains |
| SN | Town and health resort at SE foot of Bucegi Mountains of the Transylvanian Alps in Prahova County. |
| Sinaloa Mexico | |
|---|---|
| BT | Mexico |
| .Sinaloa Mexico | |
| NT | Mazatlan Mexico |
| RT | Guerrero Terrane |
| Rivera Plate | |
| SN | State in W Mexico. |
| Sind Pakistan | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..Pakistan | |
| ...Sind Pakistan | |
| NT | Chor Pakistan |
| Hyderabad Pakistan | |
| RT | Nari Series |
| SN | Province in SE Pakistan. Also search Sindh. |
| Sinemurian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....Lower Jurassic | |
| .....Sinemurian | |
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Jurassic | |
| ....Lower Jurassic | |
| .....lower Liassic | |
| ......Sinemurian | |
| SN | Europe. Above Hettangian, below Pliensbachian. |
| Singapore | |
|---|---|
| BT | Asia |
| .Far East | |
| ..Singapore | |
| RT | ASEAN |
| West Pacific Ocean Islands | |
| SN | Island republic and city off the southern tip of the Malay Peninsula. |
| Singhbhum Granite | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Archean | |
| ...Singhbhum Granite | |
| RT | India |
| Bihar India | |
| Orissa India | |
| Singhbhum India | |
| SN | Also search Singhbhum. |
| Singhbhum India | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Bihar India | |
| ....Singhbhum India | |
| NT | Sini India |
| RT | Singhbhum Granite |
| SN | District, Chota Nagpur division, S Bihar. |
| Singhbhum shear zone | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Singhbhum shear zone | |
| RT | Bihar India |
| Orissa India | |
| SN | Indexed with states as applicable. |
| single domains | |
|---|---|
| BT | magnetic domains |
| .single domains | |
| SN | Added to Thesaurus in 1981. |
| single-crystal method | |
|---|---|
| RT | crystal growth |
| crystal structure | |
| methods | |
| minerals | |
| powder method | |
| X-ray analysis | |
| SN | Before 1978, search single crystal. |
| Singleton Coal Measures | |
|---|---|
| RT | Australia |
| Carboniferous | |
| New South Wales Australia | |
| Permian | |
| Permian-Triassic boundary | |
| Triassic | |
| SN | E New South Wales. Indexed with age as applicable. |
| Sini India | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Bihar India | |
| ....Singhbhum India | |
| .....Sini India | |
| SN | Village in Singhbhum District. Site of limestone quarries for Jamshedpur iron and steel works. |
| Sinian | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Proterozoic | |
| ...Sinian | |
| NT | Dengying Formation |
| Doushantuo Formation | |
| Nantuo Formation | |
| upper Sinian | |
| Wumishan Formation | |
| RT | Eocambrian |
| SN | China. Added to Thesaurus in 1985. |
| Sinjar Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Sinjar Formation | |
| RT | Paleocene |
| lower Eocene | |
| Middle East | |
| Iraq | |
| SN | Paleocene-lower Eocene. In the Jabel Sinjar Mountains. Indexed with ages as applicable. |
| sink holes | |
|---|---|
| USE | sinkholes |
| sinkholes | |
|---|---|
| BT | solution features |
| .sinkholes | |
| UF | sink holes |
| RT | geomorphology |
| geologic hazards | |
| karst | |
| dolines | |
| potholes | |
| Sinkiang | |
|---|---|
| SN | Not a valid term for GeoRef. See Xinjiang China. |
| Sinkiang China | |
|---|---|
| USE | Xinjiang China |
| Sinkiang Uighur China | |
|---|---|
| USE | Xinjiang China |
| Sinkiang Weiwu'er Zizhiqu China | |
|---|---|
| USE | Xinjiang China |
| sinking | |
|---|---|
| SN | Use land subsidence for geotechnical studies, or subsidence for large, regional tectonic subsidence or sinking slabs. Also see submergence, underground streams. |
| sinking (currents) | |
|---|---|
| USE | downwelling |
| sinks | |
|---|---|
| RT | chemical reactions |
| geochemistry | |
| SN | Substance used to dissipate heat or remove fluids during a chemical reaction. For the solution feature, use sinkholes. |
| sinnerite | |
|---|---|
| BT | sulfides |
| .sinnerite | |
| Sino-Korean Paraplatform | |
|---|---|
| USE | Sino-Korean Platform |
| Sino-Korean Platform | |
|---|---|
| BT | Asia |
| .Far East | |
| ..Sino-Korean Platform | |
| UF | Sino-Korean Paraplatform |
| RT | China |
| Korea | |
| SN | Indexed with regions as applicable. Added to Thesaurus in 1989. |
| sinter | |
|---|---|
| SN | A valid term through 1977. After 1977, use siliceous sinter. |
| sintering | |
|---|---|
| RT | deformation |
| diffusion | |
| meteorites | |
| phase equilibria | |
| refractory materials | |
| siliceous sinter | |
| SN | Added to Thesaurus in 1985. |
| sinuosity | |
|---|---|
| RT | channels |
| fluvial features | |
| meanders | |
| streams | |
| Sioux County Iowa | |
|---|---|
| BT | United States |
| .Iowa | |
| ..Sioux County Iowa | |
| SN | NW Iowa. |
| Sioux County Nebraska | |
|---|---|
| BT | United States |
| .Nebraska | |
| ..Sioux County Nebraska | |
| SN | Extreme NW Nebraska. |
| Sioux County North Dakota | |
|---|---|
| BT | United States |
| .North Dakota | |
| ..Sioux County North Dakota | |
| SN | S North Dakota. |
| Sioux Quartzite | |
|---|---|
| BT | Chronostratigraphic Units |
| .Precambrian | |
| ..Sioux Quartzite | |
| RT | Iowa |
| Nebraska | |
| Minnesota | |
| South Dakota | |
| SN | Has been correlated with Baraboo Quartzite in Wisconsin. NW Iowa, SW Minnesota, NE Nebraska, and SE South Dakota. |
| Siphonaptera | |
|---|---|
| BT | Invertebrata |
| .Arthropoda | |
| ..Mandibulata | |
| ...Insecta | |
| ....Pterygota | |
| .....Neoptera | |
| ......Endopterygota | |
| .......Siphonaptera | |
| UF | Siphonapteroida |
| SN | Order. |
| Siphonapteroida | |
|---|---|
| USE | Siphonaptera |
| Sipunculoida | |
|---|---|
| BT | Invertebrata |
| .Vermes | |
| ..Sipunculoida | |
| Siqueiros fracture zone | |
|---|---|
| BT | Pacific Ocean |
| .North Pacific | |
| ..Northeast Pacific | |
| ...Siqueiros fracture zone | |
| RT | Equatorial Pacific |
| DSDP Site 427 | |
| SN | Near E end of Clipperton fracture zone. This term has multiple hierarchies. Added to Thesaurus in 1985. |
| SIR | |
|---|---|
| SN | Not a valid term for GeoRef. See Shuttle Imaging Radar if applicable. |
| Sir Darya | |
|---|---|
| USE | Syr Darya |
| Siracusa | |
|---|---|
| SN | Not a valid term for GeoRef. See Syracuse Italy. |
| Sirenia | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Mammalia | |
| ....Theria | |
| .....Eutheria | |
| ......Sirenia | |
| SN | Order. |
| Siret River | |
|---|---|
| BT | Europe |
| .Siret River | |
| UF | Sereth River |
| Siretul River | |
| RT | Romania |
| Ukraine | |
| Moldavia | |
| Romanian Plain | |
| Moldavian Platform | |
| SN | Rises on the E slopes of the Carpathians in the Ukraine and flows SE into the Danube River just N of Galati. Also search Siret. Indexed with Moldavia and/or Romania; and/or Ukraine. |
| Siretul River | |
|---|---|
| USE | Siret River |
| Sirius Group | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Pliocene | |
| .....Sirius Group | |
| RT | Antarctica |
| Victoria Land | |
| Beardmore Glacier | |
| SN | Drift, Beardmore Glacier area, Antarctica. Age has been considered uncertain. Also search Sirius Formation and Antarctica. The Permian Sirius Formation occurs in Australia. |
| Sirohi India | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Rajasthan India | |
| ....Sirohi India | |
| SN | Town in SW Rajasthan. |
| Sirte Basin | |
|---|---|
| BT | Africa |
| .North Africa | |
| ..Libya | |
| ...Sirte Basin | |
| UF | Syrte Basin |
| SN | On the Gulf of Sidra in N Libya. Also search Sirte. |
| Sisian Armenia | |
|---|---|
| BT | Europe |
| .Armenia | |
| ..Sisian Armenia | |
| SN | Village in S Armenia. This term has multiple hierarchies. |
| Siskiyou County California | |
|---|---|
| BT | United States |
| .California | |
| ..Siskiyou County California | |
| NT | Medicine Lake Highland |
| Mount Shasta | |
| RT | Marble Mountains |
| Preston Peak | |
| Trinity Complex | |
| Medicine Lake | |
| SN | N California. |
| Sisquoc Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Sisquoc Formation | |
| RT | Pliocene |
| California | |
| upper Miocene | |
| SN | Upper Miocene to Pliocene. S California. Indexed with ages as applicable. Added to Thesaurus in 1985. |
| site evaluation | |
|---|---|
| USE | site exploration |
| site explo |
|---|
| site explora |
|---|
| site exploration | |
|---|---|
| UF | site evaluation |
| site investigation | |
| site selection | |
| RT | land subsidence |
| dams | |
| slope stability | |
| engineering geology | |
| rock mechanics | |
| permafrost | |
| geologic hazards | |
| soil mechanics | |
| reservoirs | |
| marine installations | |
| feasibility studies | |
| foundations | |
| explosions | |
| highways | |
| nuclear facilities | |
| exploration | |
| railroads | |
| trenching | |
| tunne | |
| SN | Before 1978, also search site selection. Collection of data about and testing of, surface and subsurface materials (including physical properties, distribution, and geologic structure) at a site, to prepare suitable design for an engineering structure or |
| site investigation | |
|---|---|
| USE | site exploration |
| site location maps | |
|---|---|
| BT | maps |
| .site location maps | |
| UF | location maps |
| sample location maps | |
| RT | index maps |
| SN | Added to Thesaurus in 1989. |
| site selection | |
|---|---|
| USE | site exploration |
| sites, archaeological | |
|---|---|
| USE | archaeological sites |
| sites, landing | |
|---|---|
| USE | landing sites |
| Sitka Sound | |
|---|---|
| BT | United States |
| .Alaska | |
| ..Southeastern Alaska | |
| ...Sitka Sound | |
| RT | Alexander Archipelago |
| Gulf of Alaska | |
| SN | On W side of Baranof Island in SE Alaska. Entrance to Sitka from Gulf of Alaska. Also search Sitka. |
| Sivamalai | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Tamil Nadu India | |
| ....Coimbatore India | |
| .....Sivamalai | |
| SN | A hill in the Coimbatore District in E Tamil Nadu, S India. |
| Sivapithecus | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Mammalia | |
| ....Theria | |
| .....Eutheria | |
| ......Primates | |
| .......simians | |
| ........Pongidae | |
| .........Sivapithecus | |
| RT | Dryopithecus |
| Proconsul | |
| Ramapithecus | |
| SN | Genus. Also search Ramapithecus which is often included within this group. |
| Sivash | |
|---|---|
| BT | Europe |
| .Ukraine | |
| ..Crimea Ukraine | |
| ...Sivash | |
| UF | Putrid Sea |
| SN | Salt lagoons and marshes in N and NE Crimea. This term has multiple hierarchies. |
| Siw |
|---|
| Siwalik Formation | |
|---|---|
| USE | Siwalik System |
| Siwalik Group | |
|---|---|
| USE | Siwalik System |
| Siwalik Hills | |
|---|---|
| USE | Siwalik Range |
| Siwalik Range | |
|---|---|
| BT | Asia |
| .Siwalik Range | |
| UF | Siwalik Hills |
| Siwaliks | |
| RT | India |
| Pakistan | |
| Himalayas | |
| Nepal | |
| Sikkim India | |
| SN | Range of foothills parallel with the main Himalayan system and extending 1000 miles SE from N Punjab in Pakistan to Sikkim. Also search Siwalik. Indexed with Sikkim India and countries as applicable. |
| Siwalik Sandstone | |
|---|---|
| USE | Siwalik System |
| Siwalik Series | |
|---|---|
| USE | Siwalik System |
| Siwalik System | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Siwalik System | |
| UF | Siwalik Formation |
| Siwalik Group | |
| Siwalik Sandstone | |
| Siwalik Series | |
| RT | Pliocene |
| Pleistocene | |
| Miocene | |
| India | |
| Pakistan | |
| Burma | |
| Chinji Formation | |
| Sikkim India | |
| SN | Middle Miocene-Pleistocene. Extends beyond limits of Siwalik Range to include parts in Baluchistan and North-West Frontier Province in Pakistan, Tipam Series in Assam, and Irrawaddy Series in Burma. Includes Lower (Kamlial and Chinji), Middle (Nagri and D |
| Siwaliks | |
|---|---|
| USE | Siwalik Range |
| Sixes River | |
|---|---|
| BT | United States |
| .Oregon | |
| ..Curry County Oregon | |
| ...Sixes River | |
| SN | N Curry County in SW Oregon. Flows into the Pacific Ocean. |
| Siyeh Formation | |
|---|---|
| USE | Helena Formation |
| size | |
|---|---|
| UF | body size |
| RT | morphology |
| ore bodies | |
| scale factor | |
| size distribution | |
| reserves | |
| resources | |
| SN | Used as a general term. Use grain size or size distribution or see scale factor if applicable. From 1981-1997, not a valid term for GeoRef. For paleontology, search in combination with body part or taxonomic class. |
| size analysis | |
|---|---|
| SN | A valid term through mid-1978. Now use granulometry. |
| size distribution | |
|---|---|
| RT | distribution |
| grain size | |
| granulometry | |
| power law | |
| sedimentary rocks | |
| sediments | |
| size | |
| textures | |
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