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Thesaurus

str

Strabo Trench
BT	Mediterranean Sea
	.East Mediterranean
	..Strabo Trench
RT	Leg 13
	DSDP Site 129
SN	E Mediterranean Sea. Added to Thesaurus in 1989.

Strafford County New Hampshire
BT	w Hampshire
	.Strafford County New Hampshire

Straight Cliffs Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Mesozoic
	...Cretaceous
	....Upper Cretaceous
	.....Straight Cliffs Formation
RT	Utah
SN	Central S Utah. Added to Thesaurus in 1995.

Straight Creek Fault
BT	North America
	.Straight Creek Fault
RT	Washington
	British Columbia
	Cascade Range
	Coast Ranges
SN	W Washington and SW British Columbia. Indexed with Washington and British Columbia as applicable. Added to Thesaurus in 1985.

strain
RT	brittleness
	deformation
	distortion
	elastic limit
	elastic strain
	elasticity
	finite strain analysis
	Hooke's law
	hysteresis
	mechanical properties
	Poisson's ratio
	rock mechanics
	shear
	shear strength
	shear zones
	engineering geology
	seismology
	strainmeters
	stre

strain relaxation
RT	relaxation
	seismology
SN	Added to Thesaurus in 1981.

strain seismographs
BT	seismographs
	.strain seismographs
SN	Added to Thesaurus in 1981.

strain-slip cleavage
USE	slip cleavage

strainmeters
RT	deformation
	extensometers
	geodesy
	strain
	stressmeters

Strait of Georgia
BT	North America
	.Strait of Georgia
RT	Washington
	British Columbia
	Northeast Pacific
	Saanich Inlet
SN	Channel between Vancouver Island on the W and the mainland of British Columbia and Washington on the E. Indexed with British Columbia and/or Washington as applicable.

Strait of Gibraltar
RT	Atlantic Ocean
	Ceuta
	Gibraltar
	Mediterranean Sea
	West Mediterranean
SN	Passage connecting Mediterranean Sea and the Atlantic Ocean between Spain and Morocco. Indexed with West Mediterranean and/or North Atlantic as applicable.

Strait of Juan de Fuca
USE	Juan de Fuca Strait

Strait of Malacca
BT	Asia
	.Strait of Malacca
UF	Malacca Strait
	Malacca Straits
	Straits of Malacca
RT	Indian Ocean
	Bay of Bengal
	Sumatra
	Far East
	South China Sea
	Malay Peninsula
SN	Channel between the S Malay Peninsula and the island of Sumatra connecting the Indian Ocean with the South China Sea.

Strait of Messina
BT	Europe
	.Southern Europe
	..Italy
	...Strait of Messina
UF	Messina Strait
SN	Between Italy and NE Sicily.

Strait of Sicily
BT	Mediterranean Sea
	.Strait of Sicily
RT	East Mediterranean
	West Mediterranean
	ODP Site 963
SN	Between Sicily and Tunisia.

Straits of Florida
BT	Atlantic Ocean
	.North Atlantic
	..Straits of Florida
UF	Florida Strait
	Florida Straits
RT	Gulf of Mexico
	Leg 101
	Northwest Providence Channel
	Leg 166
	ODP Site 626
SN	Wide channel between Florida Keys and Cuba connecting the Atlantic Ocean with the Gulf of Mexico.

Straits of Malacca
USE	Strait of Malacca

Stramberk Czech Republic
BT	Europe
	.Central Europe
	..Czech Republic
	...Moravia
	....Stramberk Czech Republic
SN	Town SSW of Ostrava in NE Moravia, E Czech Republic. Before 1995, Stramberk Czechoslovakia was also used.

Strandzha Mountains
USE	Istranca Mountains

Strasbourg France
BT	Europe
	.Western Europe
	..France
	...Bas-Rhin France
	....Strasbourg France
UF	Strassburg France
SN	City on the Rhine River in Alsace, E Bas-Rhin, NE France.

Strassburg France
USE	Strasbourg France

strata
USE	stratigraphic units

strata-bound deposits
USE	stratabound deposits

stratabound deposits
UF	strata-bound deposits
RT	mineral deposits, genesis
	besshi-type deposits
	kuroko-type deposits
	mantos
	stratiform deposits
SN	Before 1978, search stratabound AND (ore deposits OR deposits); strata-bound.

strategic materials
USE	strategic minerals

strategic miner

strategic minerals
UF	strategic materials
RT	mineral resources
	economics
	international cooperation
	economic geology
	legislation
	policy
	public policy
	Exclusive Economic Zone
	United States Exclusive Economic Zone
	wars
	reserves
	NURE
SN	Added to Thesaurus in 1985.

Strathclyde region Scotland
BT	Europe
	.Western Europe
	..United Kingdom
	...Great Britain
	....Scotland
	.....Strathclyde region Scotland
NT	Ayrshire Scotland
	Glasgow Scotland
	Islay
	Kintyre
	Mull Island
RT	Argyllshire Scotland
	Firth of Clyde
	Arran
	Loch Lomond
	Inner Hebrides
SN	Administrative region in W Scotland created in 1975 from most of Argyllshire including Mull Island, Bute, Ayrshire, Lanarkshire, and Renfrewshire.

Strathcona Mine
BT	Canada
	.Eastern Canada
	..Ontario
	...Strathcona Mine
RT	mines
	copper ores
	nickel ores
SN	Copper and nickel ores.

stratification
RT	bedding
	cross-stratification
	deposition
	laminations
	layered materials
	planar bedding structures
	sedimentary structures
SN	As of 1994, it may be used as a general term. Indexed with planar bedding structures as applicable.

stratified volcanic cone
USE	stratovolcanoes

stratified volcano
USE	stratovolcanoes

stratiform deposits
UF	stratiform ore deposits
RT	mineral deposits, genesis
	stratabound deposits
SN	Before 1978, search stratiform AND (ore deposits OR deposits).

stratiform ore deposits
USE	stratiform deposits

stratigrap

stratigraphic
SN	A valid term through 1977. After 1977, use stratigraphic maps.

stratigraphic boundary
NT	K-T boundary
	Permian-Triassic boundary
UF	boundaries, stratigraphic
RT	allostratigraphy
	stratigraphy
	stratigraphic columns
	stratotypes
SN	Before 1993, also search boundary which was used for this concept from 1978-1992. Use in combination with appropriate age terms (list E). Added to Thesaurus in 1993.

stratigraphic columns
RT	cross sections
	stratigraphic boundary
	stratigraphic units
	stratigraphy
	stratotypes
	type sections
SN	Added to Thesaurus in 1982.

stratigraphic controls
RT	controls
	lithologic controls
	mineral deposits, genesis
	structural controls
SN	As of 1993, restricted to economic studies.

stratigraphic correlation
USE	correlation

stratigraphic gaps
UF	gaps, stratigraphic
	hiatus, stratigraphic
RT	stratigraphy
	unconformities
	hardground
	lithostratigraphy
SN	Before 1998, also search hiatus or hiatuses. Added to Thesaurus in 1981.

stratigraphic geology
USE	stratigraphy

stratigraphic maps
BT	maps
	.stratigraphic maps
RT	structural maps
SN	Before 1978, search maps AND stratigraphic.

stratigraphic range
USE	range

stratigraphic traps
BT	traps
	.stratigraphic traps
UF	lithologic traps
	porosity traps
RT	oil and gas fields
	petroleum
	petroleum exploration
	natural gas
	stratigraphic wedges
	petroleum accumulation
	structural traps

stratigraphic units
UF	strata
	units, stratigraphic
RT	allostratigraphy
	stratigraphy
	biozones
	stratigraphic columns
	tectonostratigraphic units
	lithostratigraphy

stratigraphic wedges
UF	pinch-outs
	pinchouts
RT	oil and gas fields
	stratigraphy
	petroleum
	petroleum exploration
	reservoir rocks
	natural gas
	lithofacies
	lithostratigraphy
	petroleum accumulation
	stratigraphic traps
SN	Used for beds that pinch out. Added to Thesaurus in 1981.

stratigraphy
UF	stratigraphic geology
RT	biogeography
	biomarkers
	allostratigraphy
	aminostratigraphy
	biostratigraphy
	continental drift
	catalogs
	bibliography
	Continental Offshore Stratigraphic Test
	cross sections
	correlation
	biozones
	chemostratigraphy
	chronostratigraphy
	cyclostratigraphy
	diachroni
SN	Used for the discipline as a whole.

Stratigraphy (category)
SN	Stratigraphy, GeoRef category code 12, 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.).

stratosphere
RT	ash clouds
	atmosphere
	troposphere
SN	Usually out-of-scope. Used with atmosphere.

stratotypes
RT	stratigraphic boundary
	stratigraphic columns
	stratigraphy
	type sections

stratovolcanoes
BT	volcanoes
	.stratovolcanoes
UF	bedded volcano
	composite cone
	composite volcano
	stratified volcanic cone
	stratified volcano
RT	cones
	shield volcanoes

Strawn Series
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Carboniferous
	....Pennsylvanian
	.....Strawn Series
RT	New Mexico
	Texas
SN	Comprises Millsap Lake and Lone Camp groups.

stre

stream action
SN	Not a valid index term for GeoRef. See streams and sedimentation.

stream capture
UF	capture
	piracy
	river capture
	river piracy
	robbery
	stream piracy
	stream robbery
RT	geomorphology
	avulsion
	rivers
	rivers and streams
	streams
	tributaries

stream flow
USE	streamflow

stream gradient
RT	knickpoints
	rivers and streams
	streams
SN	Before 1978, search streams AND gradient.

stream order
BT	fluvial features
	.stream order
UF	channel order
RT	geomorphology
	streams
	drainage patterns
	tributaries

stream piracy
USE	stream capture

stream placers
BT	placers
	.stream placers
RT	mineral resources
	rivers
	rivers and streams
	streams
	beach placers
	heavy mineral deposits
	stream sediments
SN	Added to Thesaurus in 1982.

stream robbery
USE	stream capture

stream s

stream sediments
UF	fluvial sediments
RT	glacial geology
	fluvial features
	placers
	sediments
	fluvial environment
	streams
	geochemical surveys
	stream placers
	mineral exploration
	glaciofluvial environment
SN	Before 1998, used chiefly for economic studies. Also search fluvial environment and sediments. Also search stream sampling.

stream transport
UF	fluvial transport
RT	sedimentation
	solute transport
	transport
	rivers
	rivers and streams
	streams
	sediment transport
	bedload
	gravel-bed streams
	fluvial currents
	thalwegs
	fluvial sedimentation

streamers
RT	acoustical methods
	deep-tow methods
	hydrophones
	marine methods
	methods
	seismic methods
SN	Indexed with methods as applicable. Added to Thesaurus in 1995.

streamflow
UF	stream flow
RT	flows
	streams
	surface water
	channels
	runoff
	discharge
SN	Added to Thesaurus in 1989.

streams
NT	braided streams
	ephemeral streams
	gravel-bed streams
RT	avulsion
	bedload
	canals
	cascades
	channel geometry
	channelization
	channels
	drainage patterns
	efficiency
	exsurgence
	fluvial currents
	fluvial environment
	fluvial features
	hydrogeology
	hydrosphere
	ice streams
	knickpoints
	levees
	meanders
	oxbow lakes
	rapids
	ril
SN	As of 1981, use fluvial environment for type of environment. Also search alluvial. Indexed with fluvial features as applicable.

strengite
BT	phosphates
	.strengite

strength
RT	compressive strength
	deformation
	fatigue
	fracture strength
	mechanical properties
	rock mechanics
	shear strength
	stress
	stressmeters
	tensile strength
	thixotropy
	weak rocks
	yield strength

Streptognathodus
BT	microfossils
	.Conodonta
	..Streptognathodus
SN	Genus.

stress
RT	bearing capacity
	Boussinesq equation
	brittleness
	creep
	deformation
	elasticity
	extensometers
	failures
	fatigue
	finite strain analysis
	Hooke's law
	hysteresis
	Poisson's ratio
	pore pressure
	pressure
	relaxation
	release fractures
	rigidity
	rock mechanics
	rupture

stress drops
RT	coseismic processes
	earthquake prediction
	earthquakes
	precursors
	stress
	seismology
SN	Added to Thesaurus in 1985.

stress fields
RT	deformation
	stress
SN	Added to Thesaurus in 1985.

stressmeters
RT	deformation
	instruments
	rock mechanics
	strainmeters
	strength
	stress
	engineering geology
SN	Added to Thesaurus in 1989.

stretch modulus
USE	Young's modulus

striations
BT	sedimentary structures
	.bedding plane irregularities
	..striations
RT	glacial geology
	furrows
	glacial features
	grooves
	slickenlines

Strigiformes
BT	Chordata
	.Vertebrata
	..Tetrapoda
	...Aves
	....Neornithes
	.....Strigiformes
SN	Order.

strike
UF	line of strike
RT	faults
	folds
	fractures
	bedding
	joints
	cleats
	dip
	orientation
	strike-slip faults
	strike faults
SN	Term used to indicate strike faults through 1977. After 1977, use strike faults when discussing type of faults.

strike faults
BT	faults
	.strike faults
UF	longitudinal faults
RT	strike
SN	Before 1978, also search faults AND longitudinal; faults AND strike.

strike-shift faults
USE	strike-slip faults

strike-slip faults
BT	faults
	.strike-slip faults
NT	transfer faults
	transform faults
UF	strike-shift faults
RT	strike
	transcurrent faults
	pull-apart basins
	transtension
	left-lateral faults
	oblique-slip faults
SN	Before 1978, also search strike-slip.

strip mines
USE	strip mining

strip mining
BT	mining
	.surface mining
	..strip mining
UF	strip mines
RT	mines
	bioreclamation
	mining geology
	reclamation
	environmental geology
	land use
	coal
	bioremediation
	remediation
	coal mines
	quarries
	open-pit mining

Stripa Mine
USE	Stripa region

Stripa region
BT	Europe
	.Western Europe
	..Scandinavia
	...Sweden
	....Orebro Sweden
	.....Stripa region
UF	Guldsmedshyttan
	Stripa Mine
RT	mines
	waste disposal
	radioactive waste
	waste disposal sites
	underground storage
SN	Radioactive waste disposal site, N Orebro, Sweden. Former metals mining site. Before 1985, also search Stripa. Added to Thesaurus in 1985.

stromatactis
BT	sedimentary structures
	.biogenic structures
	..stromatactis
SN	Added to Thesaurus in 1989.

stromatolites
BT	sedimentary structures
	.biogenic structures
	..stromatolites
NT	Collenia
RT	algae
	algal mats
	cyanobacteria
	reef builders
	thrombolites
	biostratigraphy
	calcareous algae
SN	Indexed with algae if applicable. See list F (fossils).

Stromatoporoidea
BT	Invertebrata
	.Coelenterata
	..Stromatoporoidea
NT	Amphipora
RT	problematic fossils
	Porifera
SN	This term has also been used with Porifera.

Stromboli
BT	Europe
	.Southern Europe
	..Italy
	...Sicily Italy
	....Lipari Islands
	.....Stromboli
RT	volcanoes
SN	Active volcano on Stromboli Island of Lipari Group in Tyrrhenian Sea.

strombolian-type eruptions
RT	eruptions
	volcanism
	volcanology
SN	Added to Thesaurus in 1982.

stromeyerite
BT	sulfides
	.stromeyerite

Strona Valley
BT	Europe
	.Southern Europe
	..Italy
	...Strona Valley
RT	Piemonte Italy
SN	River valley W of Lago Maggiore in N Italy.

strong motion
UF	motion, strong
RT	seismology
	SMART2
	ground motion

Strong Motion Array Taiwan 2
USE	SMART2

strontianite
BT	carbonates
	.strontianite

strontium
BT	metals
	.alkaline earth metals
	..strontium
NT	Rb-87/Sr-86
	Sr-85
	Sr-86
	Sr-87
	Sr-87/Sr-86
	Sr-89
	Sr-90
	Sr/Ca
UF	Sr
RT	isotopes
	strontium ores
	Rb/Sr
	Sr/Sr
SN	Chemical element. As of 1982, use strontium ores for strontium as a commodity.

strontium ores
BT	metal ores
	.strontium ores
RT	celestine
	strontium
SN	Before 1982, also search (strontium OR Sr) AND (deposit OR deposits OR ore OR ores OR economic) in the basic index. Commodity. See List C.

Strophomena
BT	Invertebrata
	.Brachiopoda
	..Articulata
	...Strophomenida
	....Strophomena
SN	Genus.

Strophomenida
BT	Invertebrata
	.Brachiopoda
	..Articulata
	...Strophomenida
NT	Sowerbyella
	Strophomena

structural
SN	A valid term through 1977. After 1977, use structural maps if applicable.

structural analysis
UF	petrogeometry
	petromorphology
RT	faults
	analysis
	geophysics
	breccia
	alpine-type features
	brittle deformation
	deformation
	folds
	fractures
	axial-plane structures
	cleavage
	flow cleavage
	foliation
	boudinage
	geometry
	electron microscopy
	conjugate faults
	dip
	elongate minerals
	fabric
	fold axes
SN	Used for the analysis of structural features on a relatively small scale (from thin section to outcrop). The analysis may lead to interpretation of larger-scale features such as folds, fractures, and faults, or tectonics. Before 1976, also search fabric a

structural basins
USE	basins

structural complexes
SN	No longer a valid term for GeoRef as of 1981. Use complexes.

structural controls
UF	tectonic controls
RT	sedimentation
	geomorphology
	mineral deposits, genesis
	controls
	geomorphologic controls
	diwa structure
	stratigraphic controls

structural features
SN	No longer a valid term for GeoRef as of mid-1978. Included use in geomorphology, structural geology and petrology (igneous rocks).

structural geology
RT	allochthons
	alpine-type features
	bibliography
	catalogs
	faults
	folds
	foliation
	fractures
	geology
	glossaries
	inliers
	lexicons
	lineation
	maps
	orogeny
	relaxation
	stereographic projection
	structural analysis
	swells
	tectonics
SN	Used for the discipline as a whole.

Structural Geology (category)
SN	Structural geology, GeoRef category code 16, 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.).

structural inversion
SN	Not a valid term for GeoRef. As of 1998, use inversion tectonics OR basin inversion if applicable. For geomorphological studies, use relief inversion.

structural maps
BT	maps
	.structural maps
UF	structure maps
RT	structure contour maps
	stratigraphic maps
SN	Before 1978, search maps AND structural.

structural materials
SN	Not a valid GeoRef index term after 1959. See building stone; clays; construction materials.

structural petrology
SN	A valid term through 1974. After 1974, use structural analysis.

structural traps
BT	traps
	.structural traps
RT	petroleum
	petroleum exploration
	natural gas
	petroleum accumulation
	stratigraphic traps

structure
SN	As of 1981, no longer a valid index term.

structure contour maps
BT	maps
	.structure contour maps
RT	contour maps
	tectonic maps
	structural maps

structure maps
USE	structural maps

structure-soil interface
USE	soil-structure interface

structures
RT	buildings
	foundations
	engineering geology
SN	Term is restricted to engineering geology.

Struma River valley
BT	Europe
	.Southern Europe
	..Struma River valley
UF	Struma Valley
RT	Bulgaria
	Greece
SN	Also search Struma; Struma River. Indexed with countries as applicable.

Struma Valley
USE	Struma River valley

Strunian
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Devonian
	....Upper Devonian
	.....Strunian
SN	Added to Thesaurus in 1981.

struvite
BT	phosphates
	.struvite

Strzegom Poland
BT	Europe
	.Central Europe
	..Poland
	...Walbrzych Poland
	....Strzegom Poland
SN	City in Lower Silesia in N Walbrzych, SW Poland.

Strzegom-Sobotka Granitoid Massif
USE	Strzegom-Sobotka Massif

Strzegom-Sobotka Massif
BT	Europe
	.Central Europe
	..Poland
	...Walbrzych Poland
	....Strzegom-Sobotka Massif
UF	Strzegom-Sobotka Granitoid Massif
RT	Lower Silesia
SN	Granitoid massif in Lower Silesia.

Strzelin Poland
BT	Europe
	.Central Europe
	..Poland
	...Wroclaw Poland
	....Strzelin Poland
SN	City of Lower Silesia in S Wroclaw, SW Poland.

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