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sur

Sur fault zone
BT	United States
	.California
	..Sur fault zone
UF	Sur-Nacimiento fault zone
RT	Nacimiento Mountains
SN	In the Point Sur area in W California. Indexed with counties as applicable.

Sur-Nacimiento fault zone
USE	Sur fault zone

Surakhany Azerbaijan
BT	Europe
	.Azerbaijan
	..Surakhany Azerbaijan
RT	oil and gas fields
	Apsheron Peninsula
SN	Town on central Apsheron Peninsula in oil fields near Baku. Also search Surakhany oil field. This term has multiple hierarchies.

Surat Basin
BT	Australasia
	.Australia
	..Surat Basin
RT	Queensland Australia
	New South Wales Australia
SN	Sedimentary basin in SE Queensland and in NE New South Wales. Indexed with Australian states as applicable.

surface
SN	A valid term through 1977. Also included use in combination with geologic (i.e. See engineering geology; reservoirs; surficial geology; surficial geology maps.

surface features
UF	features, surface
RT	Moon
	planetology
	geomorphology
	coronae
	planets
	surface properties
	resurfacing
	surface textures
SN	Used for features on the surfaces of the planets, their satellites and the Sun. See entries for individual planets (e.g. Mars).

surface phenomena
SN	As of 1993, no longer a valid term for GeoRef. Usually out-of-scope. Used with astrophysics and solar physics.

surface properties
RT	brightness
	electrical properties
	emissivity
	Moon
	properties
	remote sensing
	sea-surface temperature
	spectroscopy
	surface features
	surface tension
	surface textures
SN	For photographic characteristics, electromagnetic responses, etc.

surface reservoirs
USE	reservoirs

surface waves
BT	elastic waves
	.seismic waves
	..surface waves
NT	coda waves
	Lg-waves
	Love waves
	Rayleigh waves
	Stoneley waves
	tube waves
UF	L waves
RT	seismology
	earthquakes
	engineering geology
	waves
	Airy waves
	body waves
	ground motion
SN	Restricted from use for ocean waves. See ocean waves.

surface-active agents
USE	surfactants

surfaces, erosion
USE	erosion surfaces

surfactants
UF	surface-active agents
RT	geochemistry
	adsorption
	sorption
	wettability
	pollutants
	interfaces
	ion exchange
	aqueous solutions
	biodegradation
	chemical properties
	physicochemical properties
	colloidal materials
	tension
	detergents
SN	Includes detergents, wetting agents, and emulsifiers. Added to Thesaurus in 1995.

Surficial Geology (category)
SN	Surficial 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
BT	maps
	.surficial geology maps
RT	geomorphology
	geomorphologic maps
	surficial geology
SN	Before 1983, also search maps AND surficial geology. Before 1978, also search maps AND (surficial OR (surface AND geologic)). Added to Thesaurus in 1983.

surges
RT	base surges
	glacier surges
	ocean waves
	pyroclastic surges
	storms
	tidal surges
	tides
	tsunamis
	waves
SN	Before 1978, term was used for glacier surges. Use more specific term if applicable.

Surgut Russian Federation
BT	Commonwealth of Independent States
	.Russian Federation
	..Tyumen Russian Federation
	...Surgut Russian Federation
SN	Town 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
BT	Asia
	.Far East
	..Philippine Islands
	...Surigao del Norte Philippine Islands
RT	Mindanao
SN	Province, S Philippine Islands.

Surkhan Darya
BT	Asia
	.Surkhan Darya
BT	Commonwealth of Independent States
	.Surkhan Darya
RT	Tajikistan
	Amu Darya
	Uzbekistan
SN	River 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
BT	Asia
	.Surkhan Darya basin
BT	Commonwealth of Independent States
	.Surkhan Darya basin
UF	Surkhan-Darya basin
RT	Tajikistan
	Uzbekistan
SN	River basin, primarily in Surkhan Darya Oblast in S Uzbekistan. This term has multiple hierarchies. Indexed with former Soviet republics as applicable.

Surkhan-Darya basin
USE	Surkhan Darya basin

Surma Group
BT	Chronostratigraphic Units
	.Phanerozoic
	..Cenozoic
	...Neogene
	....Miocene
	.....Surma Group
RT	India
	Bangladesh
SN	NE India and Bangladesh. Added to Thesaurus in 1989.

Surrey England
BT	Europe
	.Western Europe
	..United Kingdom
	...Great Britain
	....England
	.....Surrey England
RT	The Weald
SN	County SW of London, SE England.

Surtsey
BT	Europe
	.Western Europe
	..Iceland
	...Surtsey
RT	volcanoes
SN	Volcanic island off S Iceland.

Suruga Bay
BT	nshu
	.Suruga Bay
RT	Tokai Japan
	Shizuoka Japan
	Fuji River
	Izu Peninsula
SN	Inlet of Pacific Ocean SW of Yokohama on SE coast.

survey organizations
BT	government agencies
	.survey organizations
NT	British Geological Survey
	ENADIMSA
	Geological Survey of Canada
	Geological Survey of India
	Illinois State Geological Survey
	Ontario Geological Survey
	U. S. Geological Survey
UF	geologic surveys
RT	associations
	museums
	organization
	annual report
	current research
	progress report
	catalogs
	bibliography
	publications
	research
	surveys
	history
SN	Used 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 III
USE	Surveyor 3

Surveyor V Mission
USE	Surveyor 5

Surveyor VII
USE	Surveyor 7

surveys
NT	geochemical surveys
	geophysical surveys
	soil surveys
RT	exploration
	geodesy
	geotraverses
	ground water
	hydrology
	maps
	soils
	survey organizations
	triangulation
SN	As 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

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