gra  search
grabens  search
RTaulacogens
 faults
 half grabens
 horsts
 systems
grade  search
UFmetamorphic grade
RTfacies
 metamorphism
 high-grade metamorphism
 cutoff grade
 ore grade
 low-grade metamorphism
 isograds
 P-T conditions
grade and tonnage models  search
SNNot a valid term for GeoRef. As of 1995, use ore grade AND tonnage.
graded bedding  search
BTsedimentary structures
 .turbidity current structures
 ..graded bedding
RTplanar bedding structures
 bedding
 Bouma sequence
 varves
SNAlso index planar bedding structures if applicable (See list K.)
gradient  search
SNA valid term through 1978. After 1978, see geothermal gradient, or stream gradient for streams.
gradualism  search
UFphyletic gradualism
RTbiologic evolution
 paleontology
 phylogeny
 punctuated equilibria
SNAdded to Thesaurus in 1985.
graduate-level education  search
BTeducation
 .graduate-level education
RTeducational resources
SNBefore 1978, also search graduate level.
Grady County Georgia  search
BTUnited States
 .Georgia
 ..Grady County Georgia
SNSW Georgia.
Grady County Oklahoma  search
BTUnited States
 .Oklahoma
 ..Grady County Oklahoma
SNCentral Oklahoma.
Grafton County New Hampshire  search
BTw Hampshire
 .Grafton County New Hampshire
RTHubbard Brook experimental forest
SNW New Hampshire.
graftonite  search
BTphosphates
 .graftonite
Graham Coast  search
USEGraham Land
Graham County Arizona  search
BTUnited States
 .Arizona
 ..Graham County Arizona
NTGeronimo volcanic field
RTCoronado National Forest
SNSE Arizona.
Graham County Kansas  search
BTUnited States
 .Kansas
 ..Graham County Kansas
SNNW Kansas.
Graham County North Carolina  search
BTUnited States
 .North Carolina
 ..Graham County North Carolina
SNExtreme W North Carolina.
Graham Island  search
RTBritish Columbia
 Northwest Territories
 Queen Charlotte Islands
 Queen Elizabeth Islands
SNQueen Charlotte Islands, W of British Columbia. Also an island in Norwegian Bay in the Queen Elizabeth Islands, Northwest Territories. Indexed with island group and British Columbia or Northwest Territories as applicable. Added to Thesaurus in 1993.
Graham Land  search
BTAntarctica
 .Graham Land
UFGraham Coast
SNPart of N Antarctic Peninsula S of Cape Horn.
grahamite  search
BTbitumens
 .grahamite
RTorganic compounds
 organic minerals
SNUsed for the solid bitumen. Use mesosiderite for the meteorite. Added to Thesaurus in 1985.
Graian Alps  search
BTEurope
 .Alps
 ..Western Alps
 ...Graian Alps
RTPiemonte Italy
 French Alps
 Savoie France
 Savoy Alps
 Piedmont Alps
 Valle d'Aosta Italy
SNDivision of Western Alps. On French-Italian border. Indexed with countries as applicable. Added to Thesaurus in 1985.
grain boundaries  search
RTcrystal chemistry
 crystal growth
 crystal zoning
 crystallography
 crystals
 grain size
 grains
 minerals
 phase equilibria
 shape analysis
 textures
SNAdded to Thesaurus in 1983.
grain size  search
RTcoarse-grained materials
 dimensions
 fine-grained materials
 fines
 grain boundaries
 granulometry
 micritization
 sediments
 size distribution
 soils
SNBefore 1981, also search size.
grain-size analysis  search
USEgranulometry
Grainger County Tennessee  search
BTUnited States
 .Tennessee
 ..Grainger County Tennessee
SNE Tennessee.
grains  search
RTdimensions
 grain boundaries
 granulometry
 particles
 recrystallization
 sand
 sedimentary rocks
 sediments
 shape analysis
 sorting
grainstone  search
BTsedimentary rocks
 .carbonate rocks
 ..grainstone
RTrudstone
Graisivaudan  search
USEGresivaudan
gramenite  search
USEnontronite
Gramineae  search
BTPlantae
 .Spermatophyta
 ..Angiospermae
 ...Monocotyledoneae
 ....Gramineae
NTSpartina alterniflora
SNFamily.
Grampian Highlands  search
BTottish Highlands
 .Grampian Highlands
RTGrampian region Scotland
 Moray Firth
 Scottish Northern Highlands
SNAdded to Thesaurus in 1981.
Grampian region Scotland  search
BTEurope
 .Western Europe
 ..United Kingdom
 ...Great Britain
 ....Scotland
 .....Grampian region Scotland
NTAberdeenshire Scotland
 Banffshire Scotland
 Huntly Scotland
RTCairngorm Mountains
 Grampian Highlands
 Moray Firth
 Scottish Highlands
SNAdministrative region in NE Scotland since 1974. It replaced the former counties Banffshire, Morayshire, Aberdeenshire, and Kincardineshire.
Gran Canaria  search
USEGrand Canary
Gran Chaco  search
USEChaco
Granada Basin  search
USEGranada Depression
Granada City Spain  search
BTEurope
 .Southern Europe
 ..Iberian Peninsula
 ...Spain
 ....Andalusia Spain
 .....Granada Spain
 ......Granada City Spain
SNRefers only to the city. In S Spain. Before 1993, also search Granada Spain.
Granada Depression  search
BTEurope
 .Southern Europe
 ..Iberian Peninsula
 ...Spain
 ....Andalusia Spain
 .....Granada Spain
 ......Granada Depression
UFGranada Basin
SNS central Spain.
Granada Spain  search
BTEurope
 .Southern Europe
 ..Iberian Peninsula
 ...Spain
 ....Andalusia Spain
 .....Granada Spain
NTGranada City Spain
 Granada Depression
 Guadix-Baza Basin
RTAlpujarras
 Spanish Sierra Nevada
SNRefers only to the province in S Spain. From 1981-1992, also search Granada Province and Spain. For the city, see Granada City Spain.
Grand  search
Grand Atlas Mountains  search
USEHigh Atlas
Grand Banks  search
RTDSDP Site 384
 Grand Banks earthquake 1929
 Hibernia Field
 Jeanne d'Arc Basin
 North Atlantic
SNShoal or banks E and S of Newfoundland. Indexed with North Atlantic as applicable.
Grand Banks earthquak  search
Grand Banks earthquake 1929  search
BTearthquakes
 .Grand Banks earthquake 1929
RTNewfoundland Island
 North Atlantic
 Grand Banks
SNContinental slope off Newfoundland. Before 1985, also search Grand Banks AND earthquakes AND 1929. Added to Thesaurus in 1993.
Grand Canary  search
BTAtlantic Ocean Islands
 .Canary Islands
 ..Grand Canary
UFGran Canaria
SNOne of Spain's Canary Islands NW of Western Sahara.
Grand Canyon  search
UFGrand Canyon region
RTArizona
 national parks
 Coconino County Arizona
 Mohave County Arizona
 Marble Canyon
 Snake River canyon
 Stanton's Cave
SNGorge in Colorado River in NW Arizona. Indexed with counties or region as applicable.
Grand Canyon region  search
USEGrand Canyon
Grand Cayman Island  search
BTCaribbean region
 .West Indies
 ..Cayman Islands
 ...Grand Cayman Island
RTCaribbean Sea
SNLargest of the Cayman Islands. About 200 miles NW of Jamaica. Also search Grand Cayman.
Grand Coulee Dam  search
BTUnited States
 .Washington
 ..Grand Coulee Dam
RTColumbia River
SNOn Columbia River, NE Washington. Indexed with counties as applicable. Added to Thesaurus in 1985.
Grand County Colorado  search
BTUnited States
 .Colorado
 ..Grand County Colorado
RTBook Cliffs
 Rocky Mountain National Park
SNN Colorado.
Grand County Utah  search
BTUnited States
 .Utah
 ..Grand County Utah
NTMoab Utah
RTBook Cliffs
 Salt Valley
SNE Utah.
Grand Falls (Labrador)  search
USEChurchill Falls
Grand Forks County North Dakota  search
BTUnited States
 .North Dakota
 ..Grand Forks County North Dakota
NTGrand Forks North Dakota
SNE North Dakota.
Grand Forks North Dakota  search
BTUnited States
 .North Dakota
 ..Grand Forks County North Dakota
 ...Grand Forks North Dakota
SNCity on the Red River of the North in E North Dakota.
Grand Isle  search
RTJefferson Parish Louisiana
SNIsland in Jefferson Parish off SE coast of Louisiana. May also occur in other locations. Indexed with parish or regions as applicable.
Grand Isle County Vermont  search
BTUnited States
 .Vermont
 ..Grand Isle County Vermont
Grand Junction Colorado  search
BTUnited States
 .Colorado
 ..Mesa County Colorado
 ...Grand Junction Colorado
SNCity in W Colorado.
Grand Manitoulin  search
USEManitoulin Island
Grand Rapids Michigan  search
BTUnited States
 .Michigan
 ..Michigan Lower Peninsula
 ...Kent County Michigan
 ....Grand Rapids Michigan
SNCity in SW Michigan.
Grand River  search
RTLouisiana
 Michigan
 Missouri
 Neosho River valley
 Oklahoma
 Ontario
 South Dakota
SNRiver in numerous locations. Indexed with Ontario and states as applicable.
Grand Teton  search
Grand Teton National Park  search
BTUnited States
 .Wyoming
 ..Teton County Wyoming
 ...Grand Teton National Park
RTnational parks
 Teton National Forest
SNNW Wyoming. Added to Thesaurus in 1985.
Grand Traverse County Michigan  search
BTUnited States
 .Michigan
 ..Michigan Lower Peninsula
 ...Grand Traverse County Michigan
SNNW Michigan.
Grande River  search
USERio Grande
Grande Ronde Basalt  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Neogene
 ....Miocene
 .....Grande Ronde Basalt
RTIdaho
 Washington
 lower Miocene
 Oregon
 middle Miocene
 Hanford Reservation
 Picture Gorge Basalt
 Columbia River Basalt Group
 Yakima Basalt
SNSE Washington, Oregon and W Idaho. Lower to middle Miocene. Has been considered part of the Yakima Basalt of the Columbia River Basalt Group. Indexed with ages as applicable. Added to Thesaurus in 1985.
Grandfather Mountain  search
RTBlue Ridge Mountains
 Caldwell County North Carolina
 North Carolina
SNIn the Blue Ridge Mountains in NW North Carolina. May occur in other locations. Indexed with county and Blue Ridge Mountains as applicable.
grandidierite  search
BTsilicates
 .orthosilicates
 ..nesosilicates
 ...grandidierite
Graneros Shale  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Graneros Shale
RTNew Mexico
 Wyoming
 Montana
 Colorado
 Nebraska
 Kansas
 South Dakota
 Belle Fourche Shale
 Colorado Group
 Benton Formation
SNIn Colorado Group. E Colorado, Kansas, SE Montana, Nebraska, NE New Mexico, South Dakota, and E Wyoming.
Granite County Montana  search
BTUnited States
 .Montana
 ..Granite County Montana
RTFlint Creek Range
SNW Montana.
granite deposits  search
RTbuilding stone
 construction materials
 crushed stone
 dimension stone
 granites
 granitization
 ornamental materials
SNBefore 1981, also search granites. Commodity. See List C.
granite gneiss  search
BTmetamorphic rocks
 .gneisses
 ..granite gneiss
UFgranitic gneiss
Granite Mountains  search
RTCalifornia
 Fremont County Wyoming
 Natrona County Wyoming
 Wyoming
SNCentral Wyoming. Also in California. Indexed with counties as applicable.
granite porphyry  search
BTigneous rocks
 .plutonic rocks
 ..granites
 ...granite porphyry
RTporphyry
granites  search
BTigneous rocks
 .plutonic rocks
 ..granites
NTA-type granites
 adamellite
 alaskite
 alkali granites
 aplite
 apogranite
 biotite granite
 charnockite
 enderbite
 farsundite
 felsite
 granite porphyry
 granodiorites
 granosyenite
 graphic granite
 I-type granites
 leucogranite
 microgranite
 micropegmatite
 monzogranite
 muscovite granite
 pegmatite
 quartz monzonite
 rapakivi
 S-type granites
 two-mica granite
UFgranitic rocks
RTalbite
 beresite
 granite deposits
 granitization
 granitic composition
 metagranite
granitic  search
SNA valid term through 1977. After 1977, use granitic composition or granitic layer.
granitic composition  search
RTcomposition
 granites
 granitic layer
 igneous rocks
SNBefore 1978, also search granitic; granites and composition.
granitic gneiss  search
USEgranite gneiss
granitic lay  search
granitic layer  search
UFlayer, granitic
 sial
RTcrust
 lower crust
 basaltic layer
 granitic composition
SNBefore 1978, also search granitic; sial.
granitic rocks  search
USEgranites
granitification  search
USEgranitization
granitization  search
BTmetamorphism
 .granitization
UFgranitification
RTgranites
 processes
 metasomatism
 granite deposits
 magmatism
 crystallization
 feldspathization
granitoid  search
SNA valid term through 1978. After 1978, use granites or granitic composition.
Granny Creek Field  search
BTUnited States
 .West Virginia
 ..Granny Creek Field
RToil and gas fields
 Clay County West Virginia
 Roane County West Virginia
SNRoane and Clay counties, central West Virginia. Also called Granny's Creek Field. Indexed with Roane County West Virginia and/or Clay County West Virginia as applicable.
granodiorite porphyry  search
BTigneous rocks
 .plutonic rocks
 ..granites
 ...granodiorites
 ....granodiorite porphyry
RTporphyry
granodiorites  search
BTigneous rocks
 .plutonic rocks
 ..granites
 ...granodiorites
NTgranodiorite porphyry
RTberesite
SNBefore 1981, search granite-granodiorite family.
granophyre  search
BTigneous rocks
 .volcanic rocks
 ..granophyre
granosyenite  search
BTigneous rocks
 .plutonic rocks
 ..granites
 ...granosyenite
BTigneous rocks
 .plutonic rocks
 ..syenites
 ...granosyenite
SNThis term has multiple hierarchies.
Grant Canyon Field  search
BTUnited States
 .Nevada
 ..Nye County Nevada
 ...Grant Canyon Field
RToil and gas fields
 Railroad Valley
SNOil field, Railroad Valley area, S central Nevada. Added to Thesaurus in 1995.
Grant County Arkansas  search
BTUnited States
 .Arkansas
 ..Grant County Arkansas
SNCentral Arkansas.
Grant County Indiana  search
BTIndiana
 .Grant County Indiana
SNE central Indiana.
Grant County Kansas  search
BTUnited States
 .Kansas
 ..Grant County Kansas
SNSW Kansas.
Grant County Kentucky  search
BTUnited States
 .Kentucky
 ..Grant County Kentucky
SNN Kentucky.
Grant County Minnesota  search
BTUnited States
 .Minnesota
 ..Grant County Minnesota
SNW Minnesota.
Grant County Nebraska  search
BTUnited States
 .Nebraska
 ..Grant County Nebraska
SNW central Nebraska.
Grant County New Mexico  search
BTUnited States
 .New Mexico
 ..Grant County New Mexico
NTSanta Rita New Mexico
 Silver City New Mexico
RTBlack Range
SNSW New Mexico.
Grant County North Dakota  search
BTUnited States
 .North Dakota
 ..Grant County North Dakota
SNS North Dakota.
Grant County Oklahoma  search
BTUnited States
 .Oklahoma
 ..Grant County Oklahoma
SNN Oklahoma.
Grant County Oregon  search
BTUnited States
 .Oregon
 ..Grant County Oregon
SNE central Oregon.
Grant County South Dakota  search
BTUnited States
 .South Dakota
 ..Grant County South Dakota
SNNE South Dakota.
Grant County Washington  search
BTUnited States
 .Washington
 ..Grant County Washington
RTHanford Reservation
SNE central Washington.
Grant County West Virginia  search
BTUnited States
 .West Virginia
 ..Grant County West Virginia
SNE West Virginia.
Grant County Wisconsin  search
BTUnited States
 .Wisconsin
 ..Grant County Wisconsin
SNExtreme SW Wisconsin.
Grant Parish Louisiana  search
BTUnited States
 .Louisiana
 ..Grant Parish Louisiana
Grant Range  search
RTNevada
 Nye County Nevada
SNIN NE Nye County, central Nevada. May occur in other locations. Indexed with county and mountain ranges or region as applicable.
Grants District  search
USEGrants mining district
Grants mineral belt  search
BTUnited States
 .New Mexico
 ..Grants mineral belt
RTAmbrosia Lake mining district
 Grants mining district
SNMineralized region in NW New Mexico. Added to Thesaurus in 1981.
Grants mining district  search
BTUnited States
 .New Mexico
 ..McKinley County New Mexico
 ...Grants mining district
UFGrants District
RTmines
 uranium ores
 Grants mineral belt
SNMining district in NW New Mexico. Added to Thesaurus in 1993.
Grants New Mexico  search
BTUnited States
 .New Mexico
 ..Valencia County New Mexico
 ...Grants New Mexico
SNTown in W New Mexico.
granular materials  search
RTcoarse-grained materials
 engineering geology
 fine-grained materials
 fines
 granulometry
 materials
 particulate materials
 soil mechanics
SNAlso search granular.
granulite facies  search
BTfacies
 .granulite facies
RTmetamorphic rocks
granulites  search
BTmetamorphic rocks
 .granulites
NTkinzigite
 leptite
 pyroxene granulite
RTeclogite
granulometry  search
UFgrain-size analysis
RTsedimentation
 particles
 sediments
 grain size
 granular materials
 grains
 size distribution
 shape analysis
Granville County North Carolina  search
BTUnited States
 .North Carolina
 ..Granville County North Carolina
NTOxford North Carolina
SNN North Carolina.
grapestone  search
BTsedimentary rocks
 .grapestone
RTtextures
SNUsed to indicate a texture.
graphic display  search
UFdisplay, graphic
RTdata processing
 visualization
 CAD
 computer animation
 spreadsheets
 image analysis
SNBefore 1978, also search graphic AND display.
graphic granite  search
BTigneous rocks
 .plutonic rocks
 ..granites
 ...graphic granite
RTmicropegmatite
 pegmatite
graphic methods  search
RTart
 digital line graphs
 histograms
 image analysis
 methods
 visualization
SNBefore 1978, also search graphic.
graphic texture  search
BTtextures
 .graphic texture
RTigneous rocks
SNBefore 1978, search graphic.
graphite  search
BTnative elements
 .graphite
UFblack lead
RTshungite
 graphitization
 carbon
 chaoite
 diamond
 lonsdaleite
 graphite deposits
SNAs of 1981, use graphite deposits for graphite as a commodity.
graphite deposits  search
RTgraphite
 industrial minerals
 refractory materials
SNCommodity. See List C.
graphitization  search
RTannealing
 carbon
 graphite
 metal ores
 processes
SNAdded to Thesaurus in 1989.
Graptolithina  search
NTCamaroidea
 Dendroidea
 Graptoloidea
 Stolonoidea
 Tuboidea
RTHemichordata
 Invertebrata
SNIndexed with Hemichordata or Invertebrata as applicable.
Graptoloidea  search
BTGraptolithina
 .Graptoloidea
NTDidymograptina
 Diplograptina
 Glossograptina
 Monograptina
RTInvertebrata
 Hemichordata
SNIndexed with Hemichordata or Invertebrata as applicable.
grasslands  search
RTecology
 herbivorous taxa
 prairies
 revegetation
 savannas
 steppes
 wetlands
Gratiot County Michigan  search
BTUnited States
 .Michigan
 ..Michigan Lower Peninsula
 ...Gratiot County Michigan
SNCentral Michigan.
gratonite  search
BTsulfosalts
 .sulfarsenites
 ..gratonite
Gratz Austria  search
USEGraz Austria
Graubunden Switzerland  search
BTEurope
 .Central Europe
 ..Switzerland
 ...Graubunden Switzerland
NTDavos Switzerland
 Oberhalbstein
 Tavetsch
UFGrisons Switzerland
RTRhaetian Alps
 Inn Valley
 Bergell Massif
 Lepontine Alps
 Oberalp Pass
SNCanton in E Switzerland.
grauwacke  search
USEgraywacke
Gravberg Well  search
BTEurope
 .Western Europe
 ..Scandinavia
 ...Sweden
 ....Gravberg Well
UFGravberg-1 Well
RTdeep drilling
 Siljan Ring
SNDeep borehole, Siljan Ring, central Sweden. Added to Thesaurus in 1993.
Gravberg-1 Well  search
USEGravberg Well
gravel  search
BTsediments
 .clastic sediments
 ..gravel
RTbreccia
 gravel deposits
 sand
 alluvium
 pebbles
 terrigenous materials
 gravel-bed streams
 boulders
 cobbles
 carbonate sediments
 shingle
SNAs of 1981, use gravel deposits for gravel as a commodity.
gravel deposits  search
RTaggregate
 construction materials
 crushed stone
 gravel
 sands
SNIncludes sand when sand is used as a construction material. Commodity. See List C.
gravel-bed rivers  search
USEgravel-bed streams
gravel-bed streams  search
BTstreams
 .gravel-bed streams
UFgravel-bed rivers
RTsedimentation
 geomorphology
 fluvial features
 gravel
 rivers
 sediment transport
 bedload
 stream transport
 braided streams
SNIndexed with fluvial features and/or braided streams if applicable. Added to Thesaurus in 1998.
Gravelly Range  search
BTUnited States
 .U. S. Rocky Mountains
 ..Gravelly Range
BTUnited States
 .Montana
 ..Gravelly Range
RTBeaverhead County Montana
 Madison County Montana
SNSW Montana. This term has multiple hierarchies. Indexed with counties as applicable. Added to Thesaurus in 1985.
Graves County Kentucky  search
BTUnited States
 .Kentucky
 ..Graves County Kentucky
gravimeters  search
NTAskania gravimeters
 LaCoste-Romberg gravimeters
 marine gravimeters
 pendulum gravimeters
 quartz-fiber gravimeters
 spring gravimeters
 vibrating-string gravimeters
 Western gravimeters
 Worden gravimeters
UFgravity meters
RTinstruments
 geophysical methods
 gravity methods
gravimetry  search
USEgravity methods
SNSee gravimeters for the instruments.
gravitation  search
USEgravity field
gravitational differentiation  search
USEcrystal fractionation
gravitational gliding  search
USEgravity sliding
gravitational sliding  search
USEgravity sliding
gravity  search
SNA valid term through mid-1978. Use specific term, e.g. gravity field or gravity platforms. For gravity faults, use the term normal faults.
gravity anomalies  search
NTBouguer anomalies
RTanomalies
 geophysical methods
 geophysical surveys
 gravity methods
 magnetic anomalies
 residual anomalies
SNAlso search gravity methods AND anomalies.
gravity dams  search
BTdams
 .gravity dams
NTearth dams
RTconcrete dams
SNIndexed with concrete dams if applicable.
gravity exploration  search
SNNot a valid index term after 1971. Used in subfiles G and N. Now use gravity methods. See exploration, coal exploration, mineral exploration or petroleum exploration.
gravity faults  search
USEnormal faults
gravity field  search
UFfield, gravity
 gravitation
RTMoon
 geophysical methods
 geodesy
 Earth
 splines
gravity field, Earth  search
SNNot a valid GeoRef index term after 1971. Used in subfiles E, G, N, T and B.
gravity field, Moon  search
SNNot a valid GeoRef index term after 1971. Used in subfiles G and B.
gravity flows  search
RTbottom features
 flows
 glacial geology
 glacier surges
 glaciers
 gravity sliding
 ice movement
 landslides
 mass movements
 rock glaciers
 sedimentation
 slumping
SNAdded to Thesaurus in 1993.
gravity gliding  search
USEgravity sliding
gravity logging  search
BTwell-logging
 .gravity logging
RTgravity methods
 gravity profiles
SNAdded to Thesaurus in 1984.
gravity meters  search
USEgravimeters
gravity methods  search
BTgeophysical methods
 .gravity methods
UFgravimetry
RTDoppler effect
 geophysical surveys
 Bouguer anomalies
 free-air anomalies
 gravity anomalies
 gravimeters
 inverse problem
 gravity survey maps
 gravity logging
 gravity profiles
 Gravsat
 variometers
SNFor surveys, search with geophysical surveys and an area. For surveys, also index geophysical surveys and the area.
gravity platforms  search
BTmarine installations
 .gravity platforms
RTplatforms
 marine platforms
SNUsed in engineering geology.
gravity profiles  search
BTgeophysical profiles
 .gravity profiles
RTgravity methods
 gravity logging
SNAdded to Thesaurus in 1995.
gravity sliding  search
UFecoulement
 gliding (tectonics)
 gravitational gliding
 gravitational sliding
 gravity gliding
 gravity tectonics
 sliding, gravity
RTtectonics
 nappes
 gravity flows
 megabreccia
 crustal shortening
SNAlso search sliding.
gravity survey maps  search
BTmaps
 .gravity survey maps
RTgeophysical methods
 geophysical surveys
 geophysical survey maps
 gravity methods
SNAlso search maps AND geophysical surveys AND gravity methods with area.
gravity tectonics  search
USEgravity sliding
Gravsat  search
RTgeophysical methods
 geophysical surveys
 gravity methods
 remote sensing
 satellite methods
SNAdded to Thesaurus in 1985.
gray antimony  search
USEjamesonite
Gray County Kansas  search
BTUnited States
 .Kansas
 ..Gray County Kansas
Gray County Texas  search
BTUnited States
 .Texas
 ..Gray County Texas
Gray desert soil  search
USESierozems
Gray earth  search
USESierozems
Gray forest soils  search
BTsoils
 .Gray forest soils
UFGrey forest soils
RTsoil group
gray hematite  search
USEspecularite
Grayburg Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Permian
 ....Guadalupian
 .....Grayburg Formation
RTNew Mexico
 Texas
SNGuadalupian. SE New Mexico, W Texas. Added to Thesaurus in 1989.
Grays Harbor  search
RTGrays Harbor County Washington
 Washington
SNInlet of Pacific Ocean on SW coast of Grays Harbor County, Washington. Indexed with county or region as applicable.
Grays Harbor County Washington  search
BTUnited States
 .Washington
 ..Grays Harbor County Washington
RTGrays Harbor
SNOn Pacific Ocean in W central Washington.
Grayson County Kentucky  search
BTUnited States
 .Kentucky
 ..Grayson County Kentucky
Grayson County Texas  search
BTUnited States
 .Texas
 ..Grayson County Texas
Grayson County Virginia  search
BTUnited States
 .Virginia
 ..Grayson County Virginia
graywac  search
graywacke  search
BTsedimentary rocks
 .clastic rocks
 ..graywacke
UFgrauwacke
 greywacke
RTsandstone
 terrigenous materials
 litharenite
 metagraywacke
 subgraywacke
Graz Austria  search
BTEurope
 .Central Europe
 ..Austria
 ...Styria Austria
 ....Graz Austria
UFGratz Austria
SNCity in Styrian Alps in SE Styria.