Sc  search
USEscandium
Scabland (Columbia Plateau)  search
USEChanneled Scabland
Scaglia Formation  search
RTApennines
 Cretaceous
 Eocene
 Italy
 K-T boundary
 Paleocene
SNCretaceous to Eocene. In the Apennines and NE Italy. Indexed with ages as applicable.
scale factor  search
RTcartographic scales
 factors
 magnitude
 power law
 scale models
 self-organization
 self-similarity
 size
 time scales
SNFactor by which reading of instrument or solution of problem should be multiplied to give true final value when a corresponding scale factor is used initially to bring the magnitude within the range of the instrument or computer. Not for use with cartogra
scale models  search
RTlaboratory studies
 models
 power law
 sandbox models
 scale factor
 self-similarity
SNAdded to Thesaurus in 1982.
scales  search
SNNot a valid term for GeoRef. As of 1995, also see cartographic scales, fish scales, time scales, scale factor or scale models. Or use other specific type.
scales, cartographic  search
USEcartographic scales
scales, fish  search
USEfish scales
scales, time  search
USEtime scales
scaling  search
SNDeposits. Use scale factor or scale models if applicable.
Scandentia  search
BTChordata
 .Vertebrata
 ..Tetrapoda
 ...Mammalia
 ....Theria
 .....Eutheria
 ......Insectivora
 .......Proteutheria
 ........Scandentia
Scandian Orogeny  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Silurian
 ....Scandian Orogeny
RTorogeny
 Greenland
 Scandinavia
 Caledonian Orogeny
 East Greenland
SNScandinavia and E Greenland. Added to Thesaurus in 1998.
Scandinavia  search
BTEurope
 .Western Europe
 ..Scandinavia
NTDenmark
 Finland
 Koli Nappe
 Norway
 Sulitjelma
 Sweden
 Western Gneiss region
RTNORESS
 NORSAR
 Baltic ice lake
 Baltica
 Caledonian Orogeny
 Caledonides
 Scandian Orogeny
 Tornquist-Teisseyre Zone
 Karelian Orogeny
SNRegion comprising Denmark, Norway, Sweden, and Finland. Iceland sometimes included. Indexed with countries as applicable.
scandium  search
BTmetals
 .rare earths
 ..scandium
UFSc
Scania  search
USESkane
scanning  search
SNUse scanning electron microscopy or SEM data if applicable.
scanning electron microscopy  search
RTchemical analysis
 electron microscopy
 SEM data
 TEM data
 transmission electron microscopy
SNFor the method. Before 1993, also search (scanning OR scanning method) AND electron microscopy. Added to Thesaurus in 1993.
scanning electron microscopy data  search
USESEM data
scanning method  search
SNNo longer a valid term for GeoRef. See scanning electron microscopy for the method or SEM data as applicable.
scanning tunneling microscopy  search
BTelectron microscopy
 .scanning tunneling microscopy
RTchemical analysis
 analysis
 atomic force microscopy
SNUse for the method only. Added to Thesaurus in 1995.
Scaphites  search
BTInvertebrata
 .Mollusca
 ..Cephalopoda
 ...Tetrabranchiata
 ....Ammonoidea
 .....Scaphites
SNGenus.
Scaphopoda  search
BTInvertebrata
 .Mollusca
 ..Scaphopoda
NTDentalium
scapolite  search
BTsilicates
 .framework silicates
 ..scapolite group
 ...scapolite
RTscapolitization
scapolite group  search
BTsilicates
 .framework silicates
 ..scapolite group
NTkenyaite
 magadiite
 meionite
 scapolite
scapolitization  search
BTmetasomatism
 .scapolitization
RTprocesses
 alteration
 scapolite
SNAdded to Thesaurus in 1989.
Scarborough Formation  search
RTEngland
 Middle Jurassic
 Ontario
 Upper Pleistocene
SNWisconsinan (upper Pleistocene) of Toronto, Ontario. Also a Bajocian (Middle Jurassic) formation of England. Indexed with ages as applicable. Added to Thesaurus in 1989.
scarps  search
UFescarpments
RTfaults
 geomorphology
 erosion features
 cliffs
 slopes
 cuestas
 fault scarps
scattering  search
SNNo longer a valid term for GeoRef. See wave dispersion.
scavenging  search
SNSee geochemistry or processes for the chemical process. (Note added 1995.)
scawtite  search
BTsilicates
 .chain silicates
 ..scawtite
Schaffhausen Switzerland  search
BTEurope
 .Central Europe
 ..Switzerland
 ...Schaffhausen Switzerland
SNNorthernmost canton. Also a city in N central Switzerland.
schapbachite  search
USEmatildite
schapbacite  search
USEmatildite
scheelite  search
BTtungstates
 .scheelite
RTtungsten ores
Schefferville Quebec  search
BTCanada
 .Eastern Canada
 ..Quebec
 ...Saguenay County Quebec
 ....Schefferville Quebec
SNTown in NE Quebec near Labrador border.
Schela Romania  search
BTEurope
 .Southern Europe
 ..Romania
 ...Walachia
 ....Schela Romania
SNVillage in SW Romania.
Schelde River  search
USEScheldt River
Scheldt River  search
BTEurope
 .Western Europe
 ..Scheldt River
UFSchelde River
RTFrance
 Netherlands
 Belgium
SNRises in N France and empties into North Sea through two estuaries, the East and West Scheldt. Indexed with countries as applicable.
Schenectady County New York  search
BTUnited States
 .New York
 ..Schenectady County New York
Schenectady Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Ordovician
 ....Middle Ordovician
 .....Schenectady Formation
RTNew York
SNUnderlies Indian Ladder Beds; overlies Snake Hill Formation. E central New York. Also search Schenectady Shale.
Schiefergebirge  search
USERhenish Schiefergebirge
Schimper, Wilhelm-Philippe  search
UFWilhelm-Philippe Schimper
RTbiography
SNAdded to Thesaurus in 1985.
schist belts  search
BTmetamorphic belts
 .schist belts
UFbelts, schist
RTgreenstone belts
 schistosity
 supracrustals
 schists
 greenschist
SNAlso search metamorphic belts AND (schists OR schistosity). Use of 'schist' in this term is a structural rather than a petrologic term; rock types may be other than schist. Some greenstone belts may be included. Added to Thesaurus in 1998.
schistosity  search
BTfoliation
 .schistosity
RTmetamorphic rocks
 structural analysis
 axial-plane structures
 cleavage
 flow cleavage
 slaty cleavage
 planar deformation features
 schists
 slip cleavage
 orientation
 schist belts
 tourmalinite
schists  search
BTmetamorphic rocks
 .schists
NTbiotite schist
 blueschist
 calc-schist
 chlorite schist
 epidiorite
 glaucophane schist
 greenschist
 greenstone
 hornblende schist
 listwanite
 muscovite schist
 tourmalinite
RTschistosity
 schist belts
schizomycetes  search
USEbacteria
Schizophoria  search
BTInvertebrata
 .Brachiopoda
 ..Articulata
 ...Orthida
 ....Enteletacea
 .....Schizophoria
SNGenus.
Schizophyta  search
USEcyanobacteria
Schleicher County Texas  search
BTUnited States
 .Texas
 ..Schleicher County Texas
Schleswig-Holstein Germany  search
BTEurope
 .Central Europe
 ..Germany
 ...Schleswig-Holstein Germany
RTAlster River
 Hamburg Germany
 North German Plain
 Jutland
SNState, N Germany.
Schley County Georgia  search
BTUnited States
 .Georgia
 ..Schley County Georgia
schlieren  search
RTigneous rocks
 inclusions
 plutonic rocks
Schlotheim Germany  search
BTEurope
 .Central Europe
 ..Germany
 ...Thuringia Germany
 ....Schlotheim Germany
SNTown in E central Germany.
Schlumberger methods  search
UFSchlumberger sounding
RTwell-logging
 geophysical methods
 geophysical surveys
 electrical methods
 resistivity
 arrays
 Formation MicroScanner
 well logs
SNAdded to Thesaurus in 1989.
Schlumberger sounding  search
USESchlumberger methods
Schneeberg Germany  search
BTEurope
 .Central Europe
 ..Germany
 ...Thuringia Germany
 ....Schneeberg Germany
SNTown in Erzgebirge.
Schoharie County New York  search
BTUnited States
 .New York
 ..Schoharie County New York
SNE central New York.
scholzite  search
BTphosphates
 .scholzite
Schoolcraft County Michigan  search
BTUnited States
 .Michigan
 ..Michigan Upper Peninsula
 ...Schoolcraft County Michigan
Schoonover Sequence  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Schoonover Sequence
RTNevada
SNNE Nevada. Added to Thesaurus in 1989.
schorl  search
BTsilicates
 .ring silicates
 ..schorl
RTdravite
 buergerite
 tourmaline
 elbaite
SNForms a series with dravite.
schorlomite  search
BTsilicates
 .orthosilicates
 ..nesosilicates
 ...garnet group
 ....schorlomite
schreibersite  search
BTalloys
 .phosphides
 ..schreibersite
UFrhabdite
RTmeteorites
SNMeteorite mineral.
Schuler Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Jurassic
 ....Upper Jurassic
 .....Schuler Formation
RTLouisiana
 Texas
 Arkansas
 Cotton Valley Group
SNIn Cotton Valley Group. Includes Morgan Sands Zone, Jones Sand, Dorcheat and Shongaloo members. Subsurface.
schungite  search
USEshungite
schuppen texture  search
USEimbricate tectonics
Schuyler County Illinois  search
BTUnited States
 .Illinois
 ..Schuyler County Illinois
Schuyler County Missouri  search
BTUnited States
 .Missouri
 ..Schuyler County Missouri
Schuyler County New York  search
BTUnited States
 .New York
 ..Schuyler County New York
Schuylkill County Pennsylvania  search
BTUnited States
 .Pennsylvania
 ..Schuylkill County Pennsylvania
SNE Central Pennsylvania.
Schwagerina  search
BTmicrofossils
 .Fusulinina
 ..Fusulinidae
 ...Schwagerina
SNGenus. This term has multiple hierarchies.
Schwartzwalder Mine  search
BTUnited States
 .Colorado
 ..Jefferson County Colorado
 ...Schwartzwalder Mine
RTmines
 uranium ores
SNN central Colorado. Added to Thesaurus in 1985.
Schwarzburg Anticlinorium  search
BTEurope
 .Central Europe
 ..Germany
 ...Thuringia Germany
 ....Schwarzburg Anticlinorium
SNIn Thuringia.
Schwarzenberg Germany  search
BTEurope
 .Central Europe
 ..Germany
 ...Schwarzenberg Germany
RTBavaria Germany
 Saxony Germany
SNCity in Saxony, E Germany. Also occurs in Bavaria. Indexed with states as applicable.
Schwarzwald  search
USEBlack Forest
Schwechat Valley  search
BTEurope
 .Central Europe
 ..Austria
 ...Lower Austria
 ....Schwechat Valley
SNRiver valley SE of Vienna in E Lower Austria.
Schwerin Bezirk  search
SNNo longer a valid term for GeoRef. District in NW East Germany. Before 1981, search Schwerin. See Mecklenburg-Western Pomerania Germany.
Schwerin Germany  search
BTEurope
 .Central Europe
 ..Germany
 ...Mecklenburg-Western Pomerania Germany
 ....Schwerin Germany
SNCity in Mecklenburg-Western Pomerania, NE Germany. As of 1981, Schwerin refers to only the city in NW Schwerin Bezirk, NW East Germany. Before 1981, it also included the East German district.
scientific creationism  search
USEcreationism
scintillation methods, liquid  search
USEliquid scintillation methods
scintillations  search
RTgamma rays
 liquid scintillation methods
 particles
 radioactivity
Scioto County Ohio  search
BTUnited States
 .Ohio
 ..Scioto County Ohio
Scioto drainage basin  search
USEScioto River basin
Scioto River basin  search
BTUnited States
 .Ohio
 ..Scioto River basin
UFScioto drainage basin
SNCentral and S central Ohio.
Sciuridae  search
BTChordata
 .Vertebrata
 ..Tetrapoda
 ...Mammalia
 ....Theria
 .....Eutheria
 ......Rodentia
 .......Sciuromorpha
 ........Sciuridae
SNFamily.
Sciuromorpha  search
BTChordata
 .Vertebrata
 ..Tetrapoda
 ...Mammalia
 ....Theria
 .....Eutheria
 ......Rodentia
 .......Sciuromorpha
NTSciuridae
SNSuborder.
Scleractinia  search
BTInvertebrata
 .Coelenterata
 ..Anthozoa
 ...Zoantharia
 ....Scleractinia
NTAcropora cervicornis
 Acropora palmata
 Montastrea
 Porites
UFHexacorallia
 Madreporaria
 madrepores
RTTabulata
 Rugosa
SNOrder.
sclerites  search
RTEchinodermata
 fossils
 Holothuroidea
sclerotinite  search
BTmacerals
 .inertinite
 ..sclerotinite
SNAdded to Thesaurus in 1981.
scolecite  search
BTsilicates
 .framework silicates
 ..zeolite group
 ...scolecite
scolecodonts  search
BTmicrofossils
 .scolecodonts
BTInvertebrata
 .Vermes
 ..scolecodonts
RTAnnelida
SNThis term has multiple hierarchies.
Scoresby Land  search
BTArctic region
 .Greenland
 ..Scoresby Land
SNRegion in E on Norwegian Sea between King Oscar Fjord on N and Scoresby Sound on the S.
Scoresby Sound  search
BTArctic region
 .Greenland
 ..Scoresby Sound
UFScoresby Sund
RTMilne Land
SNDeep inlet and fjord system on central E coast.
Scoresby Sund  search
USEScoresby Sound
scoria  search
BTigneous rocks
 .volcanic rocks
 ..pyroclastics
 ...scoria
RTpumice
scorodite  search
BTarsenates
 .scorodite
Scotia Ridge  search
UFSouth Antillean Arc
RTSouth Atlantic
 Antarctic Ocean
 Scotia Sea
 ODP Site 696
SNExtends in an arc in the South Atlantic Ocean from S of the Falkland Islands eastward to the South Sandwich Islands and then westward to S of the South Orkney Islands. Before 1994, Antarctic Ocean Atlantic Ocean, and Antarctica were used as broader terms.
Scotia Sea  search
RTAntarctic Ocean
 Drake Passage
 Leg 36
 Scotia Ridge
 South Atlantic
SNPart of the South Atlantic Ocean within the arc of the Scotia Ridge and E of Drake Passage. It extends from about 62#DGS to 53#DGS. Indexed with South Atlantic and/or Antarctic Ocean as applicable.
Scotia Sea Islands  search
NTSouth Georgia
 South Orkney Islands
 South Sandwich Islands
 South Shetland Islands
RTAntarctica
 Atlantic Ocean Islands
SNIslands off Antarctica in the Scotia Sea. Before 1995, Antarctica Atlantic Ocean Islands, or Atlantic Ocean were used as broader terms. Indexed with Atlantic Ocean Islands and/or Antarctica as applicable. Added to Thesaurus in 1981.
Scotian Shelf  search
BTAtlantic Ocean
 .North Atlantic
 ..Scotian Shelf
UFNova Scotia Shelf
 Nova Scotian Shelf
SNOff Nova Scotia.
Scotland  search
BTEurope
 .Western Europe
 ..United Kingdom
 ...Great Britain
 ....Scotland
NTAngus Scotland
 Argyllshire Scotland
 Berwickshire Scotland
 Central region Scotland
 Dundee Scotland
 Fife region Scotland
 Firth of Clyde
 Galloway Scotland
 Grampian region Scotland
 Great Glen Fault
 Hebrides
 Highland region Scotland
 Kirkcudbrightshire Scotland
 Lothian region Scotland
 Midlothian Scotland
 Moine thrust zone
 Moray Firth
 Orkney Islands
 Perthshire Scotland
 Scottish Highlands
 Scottish Lowlands
 Shetland Islands
 Strathclyde region Scotland
 Tay Estuary
RTDunnage Zone
 Lewisian Complex
 Ballachulish Complex
 Laurentia
 Dalradian
 Ballantrae Complex
 Caledonian Orogeny
 Carnmenellis Granite
 Central Graben
 Forth Valley
 Cheviot Hills
 Esk Trough
 Fair Isle
 Highland Boundary Fault
 Kimmeridge Clay
 Mercia Mudstone
 Midlan
Scotland County Missouri  search
BTUnited States
 .Missouri
 ..Scotland County Missouri
Scotland County North Carolina  search
BTUnited States
 .North Carolina
 ..Scotland County North Carolina
Scott County Arkansas  search
BTUnited States
 .Arkansas
 ..Scott County Arkansas
SNW Arkansas.
Scott County Illinois  search
BTUnited States
 .Illinois
 ..Scott County Illinois
SNW central Illinois.
Scott County Indiana  search
BTIndiana
 .Scott County Indiana
SNSE Indiana.
Scott County Iowa  search
BTUnited States
 .Iowa
 ..Scott County Iowa
NTDavenport Iowa
SNE Iowa.
Scott County Kansas  search
BTUnited States
 .Kansas
 ..Scott County Kansas
SNW Kansas.
Scott County Kentucky  search
BTUnited States
 .Kentucky
 ..Scott County Kentucky
SNN Kentucky.
Scott County Minnesota  search
BTUnited States
 .Minnesota
 ..Scott County Minnesota
SNS Minnesota.
Scott County Mississippi  search
BTUnited States
 .Mississippi
 ..Scott County Mississippi
SNCentral Mississippi.
Scott County Missouri  search
BTUnited States
 .Missouri
 ..Scott County Missouri
SNSE Missouri.
Scott County Tennessee  search
BTUnited States
 .Tennessee
 ..Scott County Tennessee
SNN Tennessee.
Scott County Virginia  search
BTUnited States
 .Virginia
 ..Scott County Virginia
SNSW Virginia.
Scottish Highlands  search
BTEurope
 .Western Europe
 ..United Kingdom
 ...Great Britain
 ....Scotland
 .....Scottish Highlands
RTGrampian region Scotland
 Highland region Scotland
SNBefore 1981 was used for that part of Scotland lying NW of a line from Loch Lomond to just S of Aberdeen. Before 1981, also search Highlands and Scotland. Also index Grampian Highlands and/or Scottish Northern Highlands if applicable.
Scottish Lowlands  search
BTEurope
 .Western Europe
 ..United Kingdom
 ...Great Britain
 ....Scotland
 .....Scottish Lowlands
SNRegion S of Dumbarton-Stonehaven line to the Southern Uplands. Added to Thesaurus in 1981.
Scottish Northern Highlands  search
BTottish Highlands
 .Scottish Northern Highlands
RTGrampian Highlands
SNBefore 1993, also search Northern Highlands and Scotland. Added to Thesaurus in 1993.
Scotts Bluff County Nebraska  search
BTUnited States
 .Nebraska
 ..Scotts Bluff County Nebraska
Scotts Mills earthquake 1993  search
BTearthquakes
 .Scotts Mills earthquake 1993
RTOregon
SNEpicenter about 25 miles SSW of Portland Oregon.
scour  search
BTerosion
 .scour
UFscouring
RTwind erosion
 water erosion
 ice
 glacial erosion
 icebergs
SNAdded to Thesaurus in 1989.
scour casts  search
BTsedimentary structures
 .bedding plane irregularities
 ..scour casts
RTcasts
 flute casts
scour marks  search
BTsedimentary structures
 .bedding plane irregularities
 ..scour marks
RTflute casts
 current markings
Scourie Scotland  search
BTghland region Scotland
 .Sutherland Scotland
 ..Scourie Scotland
SNVillage on North Minch in NW Scotland.
scouring  search
USEscour
Screven County Georgia  search
BTUnited States
 .Georgia
 ..Screven County Georgia
Scripps Institution of Oceanography  search
RTacademic institutions
 California
SNIn La Jolla, a NW section of San Diego, in San Diego County.
ScS-waves  search
BTelastic waves
 .seismic waves
 ..body waves
 ...ScS-waves
RTseismology
 waves
 S-waves
SNAdded to Thesaurus in 1981.
Sculptured Hills  search
BTMoon
 .Sculptured Hills
Scurry County Texas  search
BTUnited States
 .Texas
 ..Scurry County Texas
Scutelluidae  search
BTInvertebrata
 .Arthropoda
 ..Trilobitomorpha
 ...Trilobita
 ....Ptychopariida
 .....Scutelluidae
Scyphozoa  search
BTInvertebrata
 .Coelenterata
 ..Scyphozoa
NTConularida
Scythian  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Triassic
 ....Lower Triassic
 .....Scythian
UFSkythian
RTOlenekian
 Permian-Triassic boundary
 Werfenian
SNEurope. Above Tatarian (Permian), below Anisian.
Scythian Platform  search
BTEurope
 .Scythian Platform
BTCommonwealth of Independent States
 .Scythian Platform
RTRussian Federation
 Ukraine
SNBroad, sedimentary plain N and NE of the Black Sea. This term has multiple hierarchies. Indexed with former Soviet republics as applicable.