sur  search
Sur fault zone  search
BTUnited States
 .California
 ..Sur fault zone
UFSur-Nacimiento fault zone
RTNacimiento Mountains
SNIn the Point Sur area in W California. Indexed with counties as applicable.
Sur-Nacimiento fault zone  search
USESur fault zone
Surakhany Azerbaijan  search
BTEurope
 .Azerbaijan
 ..Surakhany Azerbaijan
RToil and gas fields
 Apsheron Peninsula
SNTown on central Apsheron Peninsula in oil fields near Baku. Also search Surakhany oil field. This term has multiple hierarchies.
Surat Basin  search
BTAustralasia
 .Australia
 ..Surat Basin
RTQueensland Australia
 New South Wales Australia
SNSedimentary basin in SE Queensland and in NE New South Wales. Indexed with Australian states as applicable.
surface  search
SNA valid term through 1977. Also included use in combination with geologic (i.e. See engineering geology; reservoirs; surficial geology; surficial geology maps.
surface defects  search
RTcrystal dislocations
 crystal structure
 crystallography
 crystals
 defects
 minerals
SNAdded to Thesaurus in 1982.
surface features  search
UFfeatures, surface
RTMoon
 planetology
 geomorphology
 coronae
 planets
 surface properties
 resurfacing
 surface textures
SNUsed for features on the surfaces of the planets, their satellites and the Sun. See entries for individual planets (e.g. Mars).
surface mining  search
BTmining
 .surface mining
NTopen-pit mining
 strip mining
RTmines
 mining geology
 land use
 cut-and-fill mining
 quarries
SNAdded to Thesaurus in 1981.
surface phenomena  search
SNAs of 1993, no longer a valid term for GeoRef. Usually out-of-scope. Used with astrophysics and solar physics.
surface properties  search
RTbrightness
 electrical properties
 emissivity
 Moon
 properties
 remote sensing
 sea-surface temperature
 spectroscopy
 surface features
 surface tension
 surface textures
SNFor photographic characteristics, electromagnetic responses, etc.
surface reservoirs  search
USEreservoirs
surface tension  search
UFinterfacial tension
RTproperties
 surface properties
 capillarity
 tension
 pressuremeters
surface textures  search
RTsurface features
 surface properties
 surficial geology
 textures
SNAdded to Thesaurus in 1985.
surface water  search
RTbasin management
 decontamination
 drinking water
 dye tracers
 environmental geology
 floods
 fluorimetry
 ground water
 hydrochemistry
 hydrogeology
 hydrologic cycle
 hydrology
 hydrosphere
 infiltrometers
 irrigation
 lakes
 mires
 nonpoint sources
 polluted water
 poll
surface waves  search
BTelastic waves
 .seismic waves
 ..surface waves
NTcoda waves
 Lg-waves
 Love waves
 Rayleigh waves
 Stoneley waves
 tube waves
UFL waves
RTseismology
 earthquakes
 engineering geology
 waves
 Airy waves
 body waves
 ground motion
SNRestricted from use for ocean waves. See ocean waves.
surface-active agents  search
USEsurfactants
surfaces, erosion  search
USEerosion surfaces
surfactants  search
UFsurface-active agents
RTgeochemistry
 adsorption
 sorption
 wettability
 pollutants
 interfaces
 ion exchange
 aqueous solutions
 biodegradation
 chemical properties
 physicochemical properties
 colloidal materials
 tension
 detergents
SNIncludes detergents, wetting agents, and emulsifiers. Added to Thesaurus in 1995.
surficial aquifers  search
BTaquifers
 .surficial aquifers
RTwater table
 springs
 shallow aquifers
 unconfined aquifers
SNAdded to Thesaurus in 1993.
surficial geology  search
RTgeology
 landform description
 shallow aquifers
 shallow depth
 soils
 surface textures
 geomorphology
 surficial geology maps
SNSee surficial geology maps.
Surficial Geology (category)  search
SNSurficial geology, GeoRef category codes 23-25, are a group of the 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 L
surficial geology maps  search
BTmaps
 .surficial geology maps
RTgeomorphology
 geomorphologic maps
 surficial geology
SNBefore 1983, also search maps AND surficial geology. Before 1978, also search maps AND (surficial OR (surface AND geologic)). Added to Thesaurus in 1983.
surges  search
RTbase surges
 glacier surges
 ocean waves
 pyroclastic surges
 storms
 tidal surges
 tides
 tsunamis
 waves
SNBefore 1978, term was used for glacier surges. Use more specific term if applicable.
Surgut Russian Federation  search
BTCommonwealth of Independent States
 .Russian Federation
 ..Tyumen Russian Federation
 ...Surgut Russian Federation
SNTown on right bank of Ob River in S Khanty-Mansi National Okrug in W Siberia. Before 1993, Surgut Russian Republic was also used. This term has multiple hierarchies.
Surigao del Norte Philippine Islands  search
BTAsia
 .Far East
 ..Philippine Islands
 ...Surigao del Norte Philippine Islands
RTMindanao
SNProvince, S Philippine Islands.
Surinam  search
BTSouth America
 .Surinam
NTWilhelmina Mountains
UFDutch Guiana
 Netherlands Guiana
RTTransamazonian Orogeny
 Guiana Basin
 Guyana Shield
 Guianas
Surkhan Darya  search
BTAsia
 .Surkhan Darya
BTCommonwealth of Independent States
 .Surkhan Darya
RTTajikistan
 Amu Darya
 Uzbekistan
SNRiver which rises in the Hissar Range of Tajikistan and flows SSW into the Amu Darya near Termez. This term has multiple hierarchies. Indexed with former Soviet republics as applicable.
Surkhan Darya basin  search
BTAsia
 .Surkhan Darya basin
BTCommonwealth of Independent States
 .Surkhan Darya basin
UFSurkhan-Darya basin
RTTajikistan
 Uzbekistan
SNRiver basin, primarily in Surkhan Darya Oblast in S Uzbekistan. This term has multiple hierarchies. Indexed with former Soviet republics as applicable.
Surkhan-Darya basin  search
USESurkhan Darya basin
Surma Group  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Neogene
 ....Miocene
 .....Surma Group
RTIndia
 Bangladesh
SNNE India and Bangladesh. Added to Thesaurus in 1989.
Surrey England  search
BTEurope
 .Western Europe
 ..United Kingdom
 ...Great Britain
 ....England
 .....Surrey England
RTThe Weald
SNCounty SW of London, SE England.
Surry County North Carolina  search
BTUnited States
 .North Carolina
 ..Surry County North Carolina
SNNW North Carolina.
Surry County Virginia  search
BTUnited States
 .Virginia
 ..Surry County Virginia
SNSE Virginia.
Surtsey  search
BTEurope
 .Western Europe
 ..Iceland
 ...Surtsey
RTvolcanoes
SNVolcanic island off S Iceland.
Suruga Bay  search
BTnshu
 .Suruga Bay
RTTokai Japan
 Shizuoka Japan
 Fuji River
 Izu Peninsula
SNInlet of Pacific Ocean SW of Yokohama on SE coast.
survey organizations  search
BTgovernment agencies
 .survey organizations
NTBritish Geological Survey
 ENADIMSA
 Geological Survey of Canada
 Geological Survey of India
 Illinois State Geological Survey
 Ontario Geological Survey
 U. S. Geological Survey
UFgeologic surveys
RTassociations
 museums
 organization
 annual report
 current research
 progress report
 catalogs
 bibliography
 publications
 research
 surveys
 history
SNUsed for the work of geological surveys, national or local. Before 1981, search specific name of the survey organization. Indexed with name of survey organization in original language. Added to Thesaurus in 1981.
Surveyor 3  search
BTSurveyor Program
 .Surveyor 3
UFSurveyor III
RTMoon
 remote sensing
Surveyor 5  search
BTSurveyor Program
 .Surveyor 5
UFSurveyor V Mission
RTMoon
 remote sensing
SNAdded to Thesaurus in 1989.
Surveyor 7  search
BTSurveyor Program
 .Surveyor 7
UFSurveyor VII
RTMoon
 remote sensing
SNAdded to Thesaurus in 1989.
Surveyor III  search
USESurveyor 3
Surveyor Program  search
NTSurveyor 3
 Surveyor 5
 Surveyor 7
RTextraterrestrial geology
 Moon
 planetology
 remote sensing
SNAdded to Thesaurus in 1981.
Surveyor V Mission  search
USESurveyor 5
Surveyor VII  search
USESurveyor 7
surveys  search
NTgeochemical surveys
 geophysical surveys
 soil surveys
RTexploration
 geodesy
 geotraverses
 ground water
 hydrology
 maps
 soils
 survey organizations
 triangulation
SNAs of 1981, restricted to actual surveying and its results. Before 1981, also used for the work of geological surveys. See survey organizations. This term may be used with ground water, hydrology, and geodesy. Also see geochemical surveys, geophysical sur