Search SEDIS

Data sets Publications Expeditions Thesaurus
Ge  search
USEgermanium
geanticlines  search
RTanticlines
 anticlinoria
 folds
 geosynclines
 synclinoria
 tectonics
geanticlines#geometry#geosynclines#horizontal orientation#interference patterns#  search
Geary County Kansas  search
BTUnited States
 .Kansas
 ..Geary County Kansas
SNE central Kansas.
Geauga County Ohio  search
BTUnited States
 .Ohio
 ..Geauga County Ohio
SNNE Ohio.
Gedinnian  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Devonian
 ....Lower Devonian
 .....Gedinnian
SNEurope. Above Ludlovian (Silurian), below Siegenian.
gedrite  search
BTsilicates
 .chain silicates
 ..amphibole group
 ...orthoamphibole
 ....gedrite
RTamosite
 anthophyllite
gehlenite  search
BTsilicates
 .orthosilicates
 ..sorosilicates
 ...melilite group
 ....gehlenite
Gehrden Germany  search
BTEurope
 .Central Europe
 ..Germany
 ...Lower Saxony Germany
 ....Gehrden Germany
SNTown in SE central Lower Saxony.
geikielite  search
BToxides
 .geikielite
RTtitanium oxides
Geirud Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Geirud Formation
RTDevonian
 Carboniferous
 Permian
 Iran
 Elburz
SNUpper Devonian, Carboniferous and possibly Lower Permian. Central Elburz Mountains in N Iran. Indexed with ages as applicable.
Geisel River valley  search
USEGeisel Valley
Geisel Valley  search
BTEurope
 .Central Europe
 ..Germany
 ...Geisel Valley
UFGeisel River valley
RTSaxony-Anhalt Germany
 Thuringia Germany
SNRiver valley in NE Germany.
Gelasian  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Neogene
 ....Pliocene
 .....Gelasian
gelifluction  search
UFcongelifluction
 gelifluxion
RTsoil mechanics
 frost action
 periglacial features
SNIndicates periglacial origin by soil flow. Added to Thesaurus in 1989.
gelifluxion  search
USEgelifluction
gelifraction  search
USEcongelifraction
gelisol  search
USEfrozen ground
geliturbation  search
USEcryoturbation
gelivation  search
USEcongelifraction
gelivity  search
USEcongelifraction
Gellnare  search
USEGallivare Sweden
gels  search
BTcolloidal materials
 .gels
RTthixotropy
Gem County Idaho  search
BTUnited States
 .Idaho
 ..Gem County Idaho
Gemer  search
SNNo longer a valid term for GeoRef. Use Gemer Slovakia for the village or Spis-Gemer for the mountains as applicable.
Gemer Slovakia  search
BTEurope
 .Central Europe
 ..Slovakia
 ...Gemer Slovakia
RTSpis-Gemer
SNVillage in S central Slovakia. Before 1995, Gemer Czechoslovakia was also used.
gems  search
UFgemstones
RTdiamonds
 minerals
 agate
 chalcedony
 peristerite
 garnet group
 corundum
 amethyst
 jade
 aquamarine
 beryl
 pearls
 emerald
 tourmaline
 diamond
 carnelian
 onyx
 turquoise
 rubies
 sapphire
 zircon
 kunzite
 lazurite
 moonstone
 peridot
 topaz
SNSee also specific gems. Commodity. See List C.
gemstones  search
USEgems
general cir  search
general circulation models  search
UFglobal circulation models
RTatmosphere
 climate
 models
 simulation
 circulation
 paleoclimatology
 climatic controls
 global change
 global warming
 GENESIS model
SNSometimes the acronym GCM is used. Often out-of-scope for GeoRef. Used to describe or compare paleoclimatic conditions or modern comparisons with past conditions. Added to Thesaurus in 1995.
General Earthquake Observation System  search
USEGEOS
generation  search
SNAs of 1981, no longer a valid term for GeoRef. See genesis or propagation.
Genesee County Michigan  search
BTUnited States
 .Michigan
 ..Michigan Lower Peninsula
 ...Genesee County Michigan
SNSE central Michigan.
Genesee County New York  search
BTUnited States
 .New York
 ..Genesee County New York
SNW New York.
Genesee Group  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Devonian
 ....Genesee Group
RTVirginia
 Pennsylvania
 New York
 Maryland
 West Virginia
SNMiddle and Upper Devonian. Comprises Geneseo Shale with Genundewa Limestone Lentil, Standish Flagstone, and West River Shale, Penn Yan Shale, Sherburne Flagstone, Renwick Shale, Ithaca Member. Maryland, New York, Pennsylvania, western Virginia and norther
Genesee River  search
BTUnited States
 .Genesee River
RTPennsylvania
 New York
 Allegany County New York
 Livingston County New York
 Monroe County New York
 Potter County Pennsylvania
SNAllegany, Livingston and Monroe counties, W New York; Potter County, N Pennsylvania. Indexed with states and counties as applicable. Added to Thesaurus in 1989.
genesis  search
RTcrystallization
 diwa-type deposits
 humification
 mineral deposits, genesis
 paragenesis
 pedogenesis
 podzolization
 provenance
SNBefore 1974, also search petrogenesis if applicable.
GENESIS model  search
RTatmosphere
 climate
 general circulation models
 models
SNIncludes use for National Center for Atmospheric Research general circulation model which is an updated, modified version of the NCAR CCM1 or community climate model Version 1. Added to Thesaurus in 1998.
genetic algorithms  search
BTalgorithms
 .genetic algorithms
RTcomputer programs
 data processing
 mathematical methods
 neural networks
 mathematical models
Geneva County Alabama  search
BTUnited States
 .Alabama
 ..Geneva County Alabama
Geneva Switzerland  search
BTEurope
 .Central Europe
 ..Switzerland
 ...Geneva Switzerland
RTJura Mountains
 Lake Geneva
SNCanton surrounding W end of Lake Geneva. Also a city.
Gengma-Lancang earthquake 1988  search
USELancang-Gengma earthquake 1988
Genoa Italy  search
BTEurope
 .Southern Europe
 ..Italy
 ...Liguria Italy
 ....Genoa Italy
UFGenova Italy
SNProvince and city on the Ligurian Sea in NW Italy.
Genova Italy  search
USEGenoa Italy
genthelvite  search
BTsulfides
 .genthelvite
BTsilicates
 .framework silicates
 ..genthelvite
RThelvite
SNThis term has multiple hierarchies.
Gentry County Missouri  search
BTUnited States
 .Missouri
 ..Gentry County Missouri
geo  search
geoarchaeology  search
USEarchaeology
geobarometry  search
USEgeologic barometry
geobotanical methods  search
UFgeobotanical prospecting
RTremote sensing
 methods
 geochemical methods
 mineral exploration
 biogeochemical methods
geobotanical prospecting  search
USEgeobotanical methods
geoche  search
geochemical  search
SNA valid term through 1977. See geochemical maps, geochemical methods, geochemical surveys.
geochemical anomalies  search
RTanomalies
 chemical elements
 geochemistry
 haloes
 hydrocarbons
 lithogeochemistry
 mineral exploration
 pollution
SNAdded to Thesaurus in 1993.
geochemical background  search
SNNot a valid term for GeoRef. See background level.
geochemical controls  search
RTcontrols
 mineral deposits, genesis
 sedimentation
SNAlso search geochemical.
geochemical cycle  search
NTcarbon cycle
RTcarbon
 cycles
 Gaia hypothesis
 geochemistry
 metals
 migration of elements
 nitrogen
 oxygen
 sulfur
SNBefore 1982, search cycles AND geochemistry. Added to Thesaurus in 1982.
geochemical exploration  search
USEgeochemical methods
geochemical indicators  search
RTbiomarkers
 geochemical surveys
 geochemistry
 indicators
SNAdded to Thesaurus in 1981.
geochemical investigations  search
SNNot a valid GeoRef index term after 1970. See geochemistry; geochemical methods, geochemical surveys.
geochemical logging  search
BTwell-logging
 .geochemical logging
UFchemical logging
RTgeochemistry
 geophysical methods
 geochemical methods
 geochemical surveys
 downhole methods
 lithogeochemistry
 geochemical profiles
SNAlso search geochemical methods and well-logging for methods studies. Added to Thesaurus in 1995.
geochemical maps  search
BTmaps
 .geochemical maps
SNBefore 1978, search maps AND geochemical.
geochemical methods  search
NTbiogeochemical methods
UFgeochemical exploration
 geochemical prospecting
RTgeochemistry
 chemical analysis
 automated analysis
 methods
 haloes
 geochemical surveys
 Bear-Slave Operation
 mineral exploration
 geobotanical methods
 exploration
 dispersion patterns
 radon emanometry
 geochemical logging
 soil gases
 pathfinders
SNFrom 1993-1997, restricted to economic studies. Before 1993, also search lithogeochemical methods if applicable. Also see geochemical surveys.
geochemical models  search
SNNot a valid term for GeoRef. Use geochemistry in combination with models. Also use specific names of the geochemical models if available.
Geochemical Ocean Sections Program  search
USEGEOSECS
geochemical profiles  search
RTchemical analysis
 geochemical logging
 geochemistry
SNBefore 1981, search profiles AND geochemistry. Added to Thesaurus in 1981.
geochemical prospecting  search
USEgeochemical methods
geochemical surveys  search
BTsurveys
 .geochemical surveys
RTgeochemistry
 background level
 geochemical methods
 detection limit
 mineral exploration
 geochemical indicators
 chemical composition
 geochemical logging
 lake sediments
 stream sediments
SNFor economic geology, also see geochemical methods, biogeochemical methods.
geochemistry  search
NTlithogeochemistry
RTabsolute age
 absorption
 activity
 adsorption
 advection
 alanine
 alkalinity
 alumina
 ammonia compound
 ammonium
 ammonium ion
 anions
 aqueous solutions
 atmosphere
 background level
 basin analysis
 bicarbonate ion
 biochemistry
 biogeochemical methods
 buffers
 calcium
SNUsed for broad treatments as well as specific experiments.
Geochemistry (category)  search
SNGeochemistry, GeoRef category code 02, is one of thirty categories used to classify documents in GeoRef. Each reference in GeoRef is assigned one or more categories. Categories can be used, in addition to Terms, to refine searches (See List A.).
geochronology  search
UFgeologic chronology
RTabsolute age
 cosmochronology
 dates
 geochemistry
 isochrons
 metamorphic rocks
 exposure age
 epimerization
 metamorphism
 fission-track dating
 meteor craters
 biochronology
 chronology
 cation-ratio dating
 event stratigraphy
 hydration of glass
 lichenometry
 optical
SNUsed for non-isotopic dating. For isotopic (radiometric or radiogenic) dating, see absolute age. Indexed with for relative age methods. Include specific methods when possible, [e.g. electron paramagnetic resonance, exposure age, fission-track dating, hydr
Geochronology (category)  search
SNGeochronology, GeoRef category code 03, is one of thirty categories used to classify documents in GeoRef. Each reference in GeoRef is assigned one or more categories. Categories can be used, in addition to Terms, to refine searches (See List A.).
geocronite  search
BTsulfosalts
 .sulfantimonites
 ..geocronite
BTsulfosalts
 .sulfarsenites
 ..geocronite
SNThis term has multiple hierarchies.
geodes  search
BTsedimentary structures
 .secondary structures
 ..geodes
UFthunder eggs
RTconcretions
 vugs
geodesy  search
RTaltimetry
 baseline studies
 cartography
 coordinates
 deformation
 Doppler effect
 Earth
 Earth tides
 ellipticity
 engineering geology
 exploration
 figure of Earth
 geodetic coordinates
 geodetic networks
 geoid
 geomorphology
 geophysical methods
 geophysical surveys
SNUsed infrequently and for geologic applications only. For the Moon, use selenodesy.
geodetic coordinates  search
RTcoordinates
 CRIB
 geodesy
 geometry
 geotraverses
 satellite methods
 trilateration
 very long baseline interferometry
geodetic networks  search
RTgeodesy
 geophysical methods
 geophysical surveys
 networks
 triangulation
 very long baseline interferometry
SNBefore 1993, also search networks and geodesy. Added to Thesaurus in 1993.
geodynamics  search
RTdynamics
 Earth
 interior
 plate tectonics
 tectonics
geodynamo  search
USEdynamos
geographic distribution  search
SNA valid term through 1978. For fossils, see distribution or biogeography.
geographic information systems  search
BTinformation systems
 .geographic information systems
RTdata processing
 visualization
 systems
 ARC/INFO
 computer networks
 expert systems
 data bases
 information management
 digital data
 spatial data
 PROSPECTOR
SNSometimes abbreviated as GIS. Added to Thesaurus in 1989.
geography  search
UFphysical geography
RTbiogeography
 geomorphology
 paleogeography
 regional
 CRIB
geogrids  search
UFpolymer grids
RTmaterials
 embankments
 slope stability
 engineering geology
 soil mechanics
 retaining walls
 polymers
 geotextiles
 reinforced materials
geohydrology  search
USEhydrogeology
geoid  search
RTEarth
 figure of Earth
 geodesy
 selenodesy
SNAn equipotential surface composed of the undisturbed surface of the oceans and its imaginary extension through the continents.
geologic  search
SNA valid term through 1977. After 1977, use geologic maps.
geologic barometry  search
UFbarometry, geologic
 geobarometry
 geological barometry
RTgeochemistry
 P-T-t paths
 inclusions
 geologic thermometry
 fluid inclusions
 decompression
 lithogeochemistry
 P-T conditions
geologic chronology  search
USEgeochronology
geologic cryometry  search
SNUse glacial geology or permafrost as applicable.
geologic engineering  search
USEengineering geology
geologic exploration  search
SNNot a valid index term after 1970. Used in subfile N. Now use coal exploration, mineral exploration, petroleum exploration, exploration, or see geological methods.
geologic formations, tables  search
SNNot a valid GeoRef index term after 1970. Also search geologic formation tables; geologic formations; geologic formations (lists, sections, tables).
geologic hazards  search
UFhazards, geologic
RTerosion
 earthquakes
 engineering geology
 faults
 environmental geology
 avalanches
 aircraft
 ash clouds
 explosions
 catastrophes
 damage
 destruction
 ground motion
 fires
 land loss
 human ecology
 impact statements
 geologic hazards maps
 floods
 hurricanes
 land subsi
SNUsed for studies on the initiation, controls and effects of various geological phenomena which may be hazardous to human ecology. Indexed with specific hazard as applicable [e.g. avalanches, catastrophes, earthquakes, explosions, faults, floods, land subs
geologic hazards maps  search
BTmaps
 .geologic hazards maps
RTgeologic hazards
 environmental geology maps
SNBefore 1993, also search geologic hazards AND environmental geology maps. Added to Thesaurus in 1993.
geologic history  search
SNNot a valid GeoRef index term after 1970. See stratigraphy; historical geology; paleogeography.
geologic literature  search
SNNot a valid GeoRef index term after 1970. See bibliography; publications.
geologic mapping  search
SNA valid term through 1975. To search, see cartography or mapping for the process of gathering data for the production of a specific map.
geologic maps  search
BTmaps
 .geologic maps
SNBefore 1978, also search maps AND geologic.
Geologic Maps (category)  search
SNGeologic maps, GeoRef category code 14, is one of thirty categories used to classify documents in GeoRef. Each reference in GeoRef is assigned one or more categories. Categories can be used, in addition to Terms, to refine searches (See List A.).
geologic publications  search
USEpublications
geologic reports  search
SNNot a valid GeoRef index term after 1970. See report; annual report; progress report.
geologic sites  search
RTarchaeological sites
 conservation
 educational resources
 fossil localities
 historical geology
 land use
 mineral localities
 natural resources
 preservation
 protection
SNAny site which is considered for preservation or conservation based on geological usefulness. Selection principles may include representativeness or uniqueness of features, environments or processes; classic or historical importance; or research or educat
geologic surveys  search
USEsurvey organizations
geologic thermometry  search
UFgeothermometry
RTgeochemistry
 P-T-t paths
 thermochronology
 inclusions
 temperature
 C-13/C-12
 fluid inclusions
 geologic barometry
 decrepitation
 lithogeochemistry
 microthermometry
 P-T conditions
 O-18/O-16
 paleotemperature
 S-34/S-32
geologic time  search
SNNot a valid GeoRef index term after 1970. See absolute age; geochronology.
geological barometry  search
USEgeologic barometry
geological exploration  search
SNA valid term through 1971. See maps, cartography, mapping. For economic studies, see coal exploration, petroleum exploration, mineral exploration, exploration.
Geological Long-Range Inclined ASDIC  search
USEGLORIA
geological methods  search
RTexploration
 geomorphological methods
 methods
 mineral exploration
geological microbiology  search
USEgeomicrobiology
geological oceanography  search
USEmarine geology
Geological Society of America  search
USEGSA
Geological Survey of Canada  search
BTgovernment agencies
 .survey organizations
 ..Geological Survey of Canada
RTCanada
Geological Survey of India  search
BTgovernment agencies
 .survey organizations
 ..Geological Survey of India
UFGSI (Geological Survey of India)
RTIndia
geologists  search
RTemployment
 ethics
 geology
 licensing
 minorities
 practice
 registration
 women
SNBefore 1975, also search geology as a profession.
geology  search
UFgeoscience
RTassociations
 education
 engineering geology
 environmental geology
 economic geology
 current research
 extraterrestrial geology
 catalogs
 areal geology
 bibliography
 collections
 creationism
 causes
 concepts
 elementary geology
 employment
 geologists
 ethics
 geophys
SNFor general treatments stressing the profession and the discipline.
geology as a profession  search
SNA valid term through 1975. After 1975, use practice. Also see geology and education.
geomagnetic secular variation  search
USEsecular variations
geomagnetism  search
SNA valid term through 1975. After 1975, see magnetic field under Earth (and other planets) and Moon; see paleomagnetism.
geomembranes  search
RTdams
 drainage
 embankments
 engineering geology
 erosion control
 foundations
 geotextiles
 highways
 materials
 reservoirs
 rock mechanics
 seepage
 slope stability
 soil mechanics
 waste disposal
 waste management
 waterways
SNAdded to Thesaurus in 1984.
geometry  search
RTchannel geometry
 eccentricity
 ellipticity
 folds
 geodetic coordinates
 mathematical geology
 plate geometry
 quantitative geomorphology
 statistical analysis
 structural analysis
 topology
 tortuosity
 waterways
geomicrobiological prospecting  search
SNNot a valid GeoRef index term after 1970. See geobotanical methods; biogeochemical methods.
geomicrobiology  search
UFgeological microbiology
 microbiological geology
 microbiology, geological
RTmicrofossils
 paleontology
 microorganisms
 nitrification
 biology
 paleobotany
 paleobiology
 coliform bacteria
 Escherichia coli
 micropaleontology
 palynology
SNAdded to Thesaurus in 1982.
geomorphic geology  search
USEgeomorphology
geomorpholo  search
geomorpholog  search
geomorphologic  search
SNA valid term through 1977. After 1977, use geomorphologic maps.
geomorphologic controls  search
RTclimatic controls
 controls
 mineral deposits, genesis
 structural controls
SNAdded to Thesaurus in 1989.
geomorphologic effects  search
RTeffects
 isostasy
 neotectonics
geomorphologic maps  search
BTmaps
 .geomorphologic maps
RTgeomorphology
 glacial geology maps
 physiographic maps
 surficial geology maps
SNBefore 1978, also search maps AND geomorphologic.
geomorphological  search
geomorphological methods  search
RTgeological methods
 geophysical methods
 methods
 mineral exploration
geomorphology  search
UFgeomorphic geology
RTavalanches
 aerial photography
 aggradation
 alluvial fans
 alluvial plains
 alpine-type features
 arid environment
 barchans
 arroyos
 barrier islands
 astroblemes
 badlands
 barrier beaches
 beaches
 bars
 bays
 beach profiles
 beach ridges
 berms
 bedforms
 benches
 blowou
SNBefore 1976, also search physiography.
Geomorphology (category)  search
SNGeomorphology, GeoRef category code 23, is one of thirty categories used to classify documents in GeoRef. Each reference in GeoRef is assigned one or more categories. Categories can be used, in addition to Terms, to refine searches (See List A.).
geomorphy  search
SNNot a valid GeoRef index term after 1970. See geomorphology; geodesy.
geophones  search
RTacoustical methods
 AVO methods
 hydrophones
 instruments
 seismic methods
 seismographs
SNAdded to Thesaurus in 1985.
geophys  search
geophysical  search
SNA valid term through 1977. After 1977, use geophysical maps, or geophysical methods or geophysical surveys.
geophysical exploration  search
SNNot a valid GeoRef index term after 1971. Used in subfiles E, N, T and B. Now use geophysical methods or geophysical surveys. See exploration.
geophysical investigations  search
SNNot a valid GeoRef index term after 1970. See geophysical methods, geophysical surveys, well-logging.
geophysical logging  search
USEwell-logging
geophysical maps  search
BTmaps
 .geophysical maps
RTgeophysical survey maps
SNBefore 1978, search maps AND geophysical.
geophysical methods  search
NTacoustical methods
 Earth-current methods
 electrical methods
 electromagnetic methods
 gravity methods
 infrared methods
 magnetic methods
 magnetotelluric methods
 neutron-gamma methods
 neutron-neutron methods
 radioactivity methods
 reflection methods
 refraction methods
 seismic methods
RTaeromagnetic maps
 air guns
 airborne methods
 apparent resistivity
 arrays
 audiomagnetotelluric methods
 automated analysis
 autoradiography
 AVO methods
 backscattering
 basin analysis
 bathymetry
 borehole televiewers
 Bouguer anomalies
 CALCRUST
 conductive materia
SNUsed for discussions which stress methodology of applied geophysics. To eliminate surveys, search geophysical methods NOT geophysical surveys. For surveys, also index geophysical surveys and the area.
geophysical observations  search
SNFor surveys, search geophysical surveys. Also see geophysics.
geophysical profiles  search
NTgravity profiles
 magnetic profiles
 seismic profiles
RTCOCORP
 geophysical methods
 geophysical surveys
 geotraverses
 lidar methods
SNBefore 1981, search geophysical AND profiles. Added to Thesaurus in 1981.
geophysical research  search
SNNot a valid GeoRef index term after 1971. Used in subfile G. Now use geophysical methods or geophysics as applicable. See geophysical surveys for surveys.
geophysical survey maps  search
BTmaps
 .geophysical survey maps
RTgeophysical methods
 geophysical surveys
 aeromagnetic maps
 magnetic survey maps
 electromagnetic survey maps
 geophysical maps
 gravity survey maps
 radioactivity survey maps
 seismic survey maps
SNAlso search maps AND geophysical surveys and area. Added to Thesaurus in 1985.
geophysical surveys  search
BTsurveys
 .geophysical surveys
RTacoustical methods
 aeromagnetic maps
 airborne methods
 automated analysis
 basin analysis
 Bouguer anomalies
 apparent resistivity
 arrays
 audiomagnetotelluric methods
 bathymetry
 deep seismic sounding
 CSAMT methods
 deep magnetic sounding
 dipole-dipole methods
SNFor geophysical methods applied to specific areas. The methods are generally those of exploration and primarily concerned with the shallow structure of the Earth. Geophysical surveys is used with specific geophysical methods terms. For surveys of specific
geophysics  search
RTadiabatic demagnetization
 alpha quartz
 alternating field demagnetization
 anvil cells
 atmosphere
 backscattering
 Born approximation
 chemical demagnetization
 core
 crust
 deep seismic sounding
 deformation
 demagnetization
 dilatancy
 direct problem
 dynamos
 Earth
SNFor general treatments stressing the profession and the discipline plus experimental studies on minerals and other materials.
Geophysics (category)  search
SNGeophysics, GeoRef category code 17, is one of thirty categories used to classify documents in GeoRef. Each reference in GeoRef is assigned one or more categories. Categories can be used, in addition to Terms, to refine searches (See List A.).
geopressure  search
RTblowouts
 borehole breakouts
 hydrostatic pressure
 overpressure
 petroleum
 pressure
 reservoir rocks
 sedimentation
SNRelated to reservoir rocks. Associated with areas of great thickness of sedimentation. Exceeds normal hydrostatic pressure. May be used with inclusions, commodity terms, or materials.
GeoRef  search
RTbibliography
 data bases
 data processing
 information systems
SNAdded to Thesaurus in 1985.
George County Mississippi  search
BTUnited States
 .Mississippi
 ..George County Mississippi
George River Group  search
BTdrynian
 .George River Group
RTNova Scotia
SNCape Breton Island, Nova Scotia. Consists of quartzite, marble, schist and gneiss. Added to Thesaurus in 1989.
Georges Bank  search
BTAtlantic Ocean
 .North Atlantic
 ..Georges Bank
RTGulf of Maine
 Georges Bank basin
SNE of Massachusetts and S of Nova Scotia.
Georges Bank basin  search
BTAtlantic Ocean
 .North Atlantic
 ..Georges Bank basin
RTGulf of Maine
 Georges Bank
SNOff the coast of E Massachusetts and S Nova Scotia in NW Atlantic. Added to Thesaurus in 1989.
Georgetown  search
SNNo longer a valid term for GeoRef. As of 1989, see Georgetown South Carolina if applicable. As of 1993, see Georgetown Gambia or Georgetown Guyana as applicable. Occurs in numerous locations.
Georgetown County South Carolina  search
BTUnited States
 .South Carolina
 ..Georgetown County South Carolina
NTGeorgetown South Carolina
SNBordering the Atlantic Ocean in E South Carolina.
Georgetown Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Lower Cretaceous
 .....Georgetown Formation
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Comanchean
 .....Georgetown Formation
RTLouisiana
 Texas
 Arkansas
 Washita Group
SNComanchean. In Washita Group. Central and S Texas, Arkansas, Louisiana. This term has multiple hierarchies. Added to Thesaurus in 1993.
Georgetown Gambia  search
BTAfrica
 .West Africa
 ..Gambia
 ...Georgetown Gambia
SNCity on the Atlantic Ocean.
Georgetown Guyana  search
BTSouth America
 .Guyana
 ..Georgetown Guyana
SNCity on the Atlantic Ocean.
Georgetown South Carolina  search
BTUnited States
 .South Carolina
 ..Georgetown County South Carolina
 ...Georgetown South Carolina
SNCity in E South Carolina.
Georgia  search
BTUnited States
 .Georgia
NTAltamaha River
 Appling County Georgia
 Atkinson County Georgia
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 Baker County Georgia
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 Talbot County Georgia
 Taliaferro County Georgia
 Tattnall County Georgia
 Taylor County Georgia
 Telfair County Georgia
 Terrell County Georgia
 Thomas County Georgia
 Tift County Georgia
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 Towns County Georgia
 Treutlen County Georgia
 Troup County Georgia
 Turner County Georgia
 Twiggs County Georgia
 Union County Georgia
 Upson County Georgia
 Walker County Georgia
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 Ware County Georgia
 Warren County Georgia
 Washington County Georgia
 Wayne County Georgia
 Webster County Georgia
 Wheeler County Georgia
 White County Georgia
 Whitfield County Georgia
 Wilcox County Georgia
 Wilkes County Georgia
 Wilkinson County Georgia
 Worth County Georgia
RTAtlantic Coastal Plain
 Avalon Zone
 Bangor Lim
SNUsed only for the state in the United States. Before 1978, included use for the Georgian Soviet Socialist Republic in Transcaucasia, USSR. Before 1978, search Georgia NOT USSR. After 1978, use Georgian Republic for region in Transcaucasia.
Georgia Basin  search
RTBritish Columbia
 Canada
 Georgia
 Gulf of Mexico
 Leg 114
 Northeast Pacific
 South Atlantic
 South Carolina
 United States
SNUsed variously for basins in: Washington state and British Columbia; SE United States extending into the NE Gulf of Mexico (For this, also search South Georgia Basin.); and the S Atlantic SSE of the Argentine Basin. Search in combination with area of inte
Georgian Bay  search
RTLake Huron
 Ontario
SNInlet of E Lake Huron. Before 1995, Ontario was a broader term. Indexed with Ontario and/or Lake Huron as applicable.
Georgian Republic  search
BTEurope
 .Georgian Republic
NTAbkhazia Georgian Republic
 Adzharistan Georgian Republic
 Akhaltsikhe Georgian Republic
 Alazani
 Aragvi River
 Chiatura Georgian Republic
 Colchis
 Dzirula Massif
 Inguri River
 Kakhetia
 Kartlia
 Khekordzula Deposit
 Rioni Basin
 Shiraki Steppe
 Svanetia
 Tbilisi Georgian Republic
 Tkibuli Georgian Republic
 Trialet Range
RTArgun River
 Lesser Caucasus
 Greater Caucasus
 Caucasus
 Transcaucasia
 Kura River
 Kuban Valley
 Ossetia
 Kuban River
 Racha
 Racha earthquake 1991
 Terek River
SNFormerly the Georgian Soviet Socialist Republic in Transcaucasia. Before 1978, also search USSR AND Georgia.
Georgina Basin  search
BTAustralasia
 .Australia
 ..Georgina Basin
RTQueensland Australia
 Northern Territory Australia
SNRiver drainage basin. Indexed with Northern Territory Australia and/or Queensland Australia as applicable.
GEOS  search
UFGeneral Earthquake Observation System
RTearthquakes
 geophysical methods
 geophysical surveys
 seismic methods
 seismic networks
 observations
SNAcronym. Added to Thesaurus in 1989.
Geosat  search
RTaltimetry
 geodesy
 geophysical methods
 geophysical surveys
 high-resolution methods
 radar methods
 remote sensing
 satellite methods
SNAdded to Thesaurus in 1993.
Geoscan  search
RTbibliography
 data bases
 data processing
 information systems
 remote sensing
SNCanadian national data base for geological information. Also a remote sensing instrument. Indexed with data bases if applicable. Added to Thesaurus in 1989.
geoscience  search
USEgeology
GEOSECS  search
UFGeochemical Ocean Sections Program
RTgeochemistry
 oceanography
 research vessels
SNAcronym.
geostat  search
geostatic pressure  search
USElithostatic pressure
geostatistics  search
BTstatistical analysis
 .geostatistics
RTmathematical geology
 mathematical methods
 Bayesian analysis
 crosscorrelation
 autoregression
 variance analysis
 cokriging
 kriging
 covariance analysis
 semivariograms
 outliers
 uncertainty
 numerical analysis
 interpolation
 Monte Carlo analysis
 variograms
SNBefore 1971, also search statistical measures; statistics. Added to Thesaurus in 1982.
geostrophic force  search
SNNot a valid term for GeoRef. Usually out-of-scope. Used as Coriolis force with ocean circulation.
geosynclines  search
RTAdelaide Geosyncline
 Alpine Geosyncline
 Andean Geosyncline
 anticlinoria
 burial metamorphism
 clastic wedges
 continental drift
 Cordilleran Geosyncline
 crust
 eugeosynclines
 folds
 geanticlines
 Hercynian Geosyncline
 magmatism
 mantle
 metallogeny
 miogeosynclines
SNUsed for large, mobile downwarping of the crust, which subsides as rocks and sediments accumulate to thicknesses of thousands of meters. Indexed with with specific geosyncline where available.
geotechnical maps  search
BTmaps
 .engineering geology maps
 ..geotechnical maps
RTrock mechanics
 soil mechanics
SNAdded to Thesaurus in 1993.
geotechnical studies  search
SNNot a valid term for GeoRef. See engineering properties, soil mechanics, rock mechanics, engineering geology, or materials as applicable.
geotecto  search
geotectonic maps  search
BTmaps
 .geotectonic maps
RTplate tectonics
 sea-floor spreading
 paleogeography
 continental drift
 tectonophysics
 paleogeographic maps
 tectonic maps
SNUsed for maps illustrating plate tectonics, continental drift, sea-floor spreading and related topics. Added to Thesaurus in 1985.
geotectonics  search
USEtectonics
geotextiles  search
RTdams
 drainage
 embankments
 engineering geology
 erosion control
 foundations
 geogrids
 geomembranes
 highways
 materials
 reservoirs
 rock mechanics
 seepage
 slope stability
 soil mechanics
 waste disposal
 waste management
 waterways
SNAdded to Thesaurus in 1984.
geothermal doublets  search
RTgeothermal energy
 geothermal fields
 geothermal systems
SNAdded to Thesaurus in 1982.
geothermal energy  search
RTbrines
 cap rocks
 downhole methods
 energy
 energy sources
 fumaroles
 geothermal doublets
 geothermal fields
 geothermal reservoirs
 geothermal systems
 geysers
 ground water
 heat flow
 heat pumps
 heat sources
 heat storage
 high-level geothermal energy
 hot dry rocks
SNCommodity. See List C.
geothermal fields  search
UFfields, geothermal
RTground water
 heat storage
 Baca Field
 Cerro Prieto
 Beppu Japan
 geothermal systems
 geothermal energy
 Broadlands
 Clear Lake
 Coso Hot Springs KGRA
 East Mesa KGRA
 Kirishima
 geothermal doublets
 geothermal reservoirs
 hot dry rocks
 Hatchobaru Field
 Kizildere Fiel
SNBefore 1978, search geothermal.
geothermal gradient  search
RTconductivity
 crust
 Earth
 heat flow
 mantle
 measurement
 regional patterns
 thermal conductivity
 thermal waters
 thermocline
SNAlso search geothermal gradients.
geothermal phenomena  search
USEgeothermal systems
geothermal processes  search
SNTerm was used from 1978-1980. No longer a valid term for GeoRef. See hydrothermal alteration or geothermal energy.
geothermal regimes  search
USEgeothermal systems
geothermal reservoirs  search
UFreservoirs, geothermal
RTgeothermal fields
 geothermal systems
 geothermal energy
 reservoir rocks
 reservoir properties
SNIndexed with geothermal energy for economic studies. Added to Thesaurus in 1995.
geothermal surveys  search
USEheat flow
geothermal systems  search
UFgeothermal phenomena
 geothermal regimes
 hydrothermal systems
RTground water
 systems
 heat storage
 geothermal fields
 blowouts
 boiling
 brines
 geothermal energy
 thermal waters
 vents
 geothermal doublets
 geothermal reservoirs
 hot dry rocks
 thermal regime
SNBefore 1978, also search geothermal; geothermal regions.
geothermometry  search
USEgeologic thermometry
geotomography  search
USEtomography
geotraverses  search
UFtransects
 traverses
RTgeodesy
 triangulation
 geophysical profiles
 geodetic coordinates
 European Geotraverse
 surveys
 INDEPTH
 Lithoprobe
 PACE
 TACT
SNAdded to Thesaurus in 1985.
Gephyrocapsa oceanica  search
BTPlantae
 .algae
 ..Coccolithophoraceae
 ...Gephyrocapsa oceanica
RTmicrofossils
SNSpecies. Indexed with microfossils if applicable.
Gera Bezirk  search
SNNo longer a valid term for GeoRef. District in SW East Germany. See Thuringia Germany or Gera Germany.
Gera Germany  search
BTEurope
 .Central Europe
 ..Germany
 ...Thuringia Germany
 ....Gera Germany
SNCity in Thuringia, E Germany. As of 1981, Gera refers to only the city in the former Gera Bezirk, now in Thuringia. Before 1981, also included the East German district.
German  search
RTcatalogs
 dictionaries
 glossaries
 lexicons
SNUsed for studies about the language.
German Continental Deep Drilling Program  search
USEKTB
German Democratic Republic  search
SNNot a valid term for GeoRef. As of 1993, see Germany and also Mecklenburg-Western Pomerania Germany, Brandenburg Germany, Saxony-Anhalt Germany, Thuringia Germany, and Saxony Germany.
German Southwest Africa  search
USENamibia
germanates  search
BToxides
 .germanates
germanite  search
BTsulfosalts
 .sulfogermanates
 ..germanite
germanium  search
BTmetals
 .germanium
UFGe
Germany  search
BTEurope
 .Central Europe
 ..Germany
NTAlpenvorland
 Alster River
 Baden-Wurttemberg Germany
 Bavaria Germany
 Brandenburg Germany
 Brocken Massif
 Ems River
 Franconia
 Frankenberg Germany
 Frankfurt Germany
 Geisel Valley
 Hamburg Germany
 Harz Foreland
 Harz Mountains
 Harz region
 Hesse
 Hesse Basin
 Hesse Germany
 Kyffhauser Range
 Lahn River
 Lahn River valley
 Lower Saxony Germany
 Main River
 Mainz Basin
 Mecklenburg
 Mecklenburg-Western Pomerania Germany
 Nahe River
 North German Plain
 North Rhine-Westphalia Germany
 Northeastern German Plain
 Northern German Hills
 Northwestern German Plain
 Odenwald
 Palatinate
 Rhine Westphalian Basin
 Rhineland
 Rhineland-Palatinate Germany
 Rhon Mountains
 Saale River
 Saar-Nahe Basin
 Saarland Germany
 Saxonian Massif
 Saxony Germany
 Saxony-Anhalt Germany
 Saxony-Thuringia
 Schleswig-Holstein Germany
 Schwarzenberg Germany
 Southwestern German Hills
 Southwestern German Massifs
 Steinheim Basin
 Steinheim Germany
 Swabia
 Teutoburg Forest
 Thuringia Germany
 Thuringian Basin
 Thuringian Forest
 Thuringian Hills
 Thuringian Massif
 Unstrut River
 Upper Rhine Valley
 Vogtland
 Werra River
 Weser River
 Westerwald
 Westphalia
RTAlps
 Allgau Alps
 Baltic Glaciation
 Baltic region
 Bohemian Massif
 Central Alps
 Danube River
 Danube Valley
 Limestone Alps
 Molasse Basin
 KTB
 European Platform
 Central Graben
 Elbe River
 Elbe Valley
 DEKORP
 Essen Beds
 Hunsruck Shale
 Lower Rhine Basin
 Lusatia
 Mo
SNCountry in Central Europe. Reunited in 1989 after being divided in 1949 into West Germany and East Germany. Upon reunification, state names for territory in West Germany were maintained, whereas the bezirks or districts in the territories of East Germany
Gerona City Spain  search
BTEurope
 .Southern Europe
 ..Iberian Peninsula
 ...Spain
 ....Catalonia Spain
 .....Gerona Spain
 ......Gerona City Spain
SNRefers only to the city in NE Spain.
Gerona Spain  search
BTEurope
 .Southern Europe
 ..Iberian Peninsula
 ...Spain
 ....Catalonia Spain
 .....Gerona Spain
NTAmpurdan
 Gerona City Spain
 Osor Spain
RTTer River basin
SNRefers only to the province in NE Spain on the Mediterranean Sea. From 1981-1992, also search Gerona Province and Spain. For the city, see Gerona City Spain.
Geronimo volcanic field  search
BTUnited States
 .Arizona
 ..Graham County Arizona
 ...Geronimo volcanic field
SNSE Arizona. Added to Thesaurus in 1989.
Gerrei  search
BTEurope
 .Southern Europe
 ..Italy
 ...Sardinia Italy
 ....Gerrei
SNRegion in SE Sardinia.
Gers France  search
BTEurope
 .Western Europe
 ..France
 ...Gers France
RTAdour Basin
SNDepartment in SW France.
gersdorffite  search
BTsulfides
 .gersdorffite
BTarsenides
 .gersdorffite
UFnickel glance
RTnickel ores
SNThis term has multiple hierarchies.
Getchell Mine  search
BTmboldt County Nevada
 .Getchell Mine
RTmines
 gold ores
SNNW Nevada.
Gething Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Lower Cretaceous
 .....Gething Formation
RTAlberta
 British Columbia
SNPeace River District. NE British Columbia and NW Alberta. Added to Thesaurus in 1989.
Getic Basin  search
USEGetic Nappe
Getic Nappe  search
BTEurope
 .Southern Europe
 ..Romania
 ...Getic Nappe
UFGetic Basin
RTTransylvania
 Banat
 Transylvanian Alps
SNNW part of Transylvanian Alps in Hunedoara County in SW Transylvania and E Banat. Indexed with regions as applicable.
Gettysburg Basin  search
BTUnited States
 .Gettysburg Basin
RTPennsylvania
 Maryland
 Newark Basin
 Newark-Gettysburg Basin
SNTriassic to Jurassic rift basin in S central Pennsylvania and Maryland. Indexed with states as applicable. Added to Thesaurus in 1989.
Geula Cave  search
USEGeula Caves
Geula Caves  search
BTAsia
 .Middle East
 ..Israel
 ...Geula Caves
UFGeula Cave
RTHaifa Israel
 Mount Carmel
SNMount Carmel.
geysers  search
UFgusher
 pulsating spring
RTground water
 fumaroles
 geothermal energy
 thermal waters
 springs
 hot springs
Geysers, The  search
USEThe Geysers
Gezira  search
BTAfrica
 .East Africa
 ..Sudan
 ...Gezira
SNRegion between Blue Nile and White Nile rivers in central Sudan.