Scientific data near [37.20691,-117.46980]

Search area extends approximately 2.2 km east-west and 2.8 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Esmeralda	county
Nevada	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
West of Gold Mountain	quadrangle 1:24,000 scale
Last Chance Range	quadrangle 1:100,000 scale
Goldfield	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Death Valley-Lower Amargosa	hydrologic unit
Northern Mojave	hydrologic accounting unit
Northern Mojave-Mono Lake	hydrologic subregion
California	hydrologic region

Geology of US states

Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format

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Unit	State	Lithology
Quaternary alluvium and marine deposits	CA	Pleistocene to Holocene
Older felsic phaneritic intrusive rocks	NV	Jurassic
Alluvium, undifferentiated	NV	Holocene and Pleistocene
Quartzite, siltstone, conglomerate, limestone, and dolomite	NV	Late Proterozoic

Airborne geophysical surveys

Aerial surveys of magnetic anomaly and gamma ray emission; older surveys were analog record which have been digitized, newer surveys collected data in digital form.

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ID	Data type	Description
White & Inyo Mountains D	M-D	White & Inyo Mountains D 5713 line km with spacing 0.80 km over parts of CA-NV
Western Nevada	M-Dz	Western Nevada 26457 line km with spacing 1.60 km over parts of NV-CA
Goldfield	M/R-D	Goldfield 5182 line km with spacing 4.80 km over parts of NV-CA

Estimates of undiscovered mineral resources

National Mineral Resource Assessment 1998: Estimates of the number of undiscovered mineral resources of gold, silver, copper, lead, and zinc within identified permissive tracts (geographic areas in which mineral deposits may form).

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Tract	Deposit Type	Mineralization age
GB30	Sediment-hosted Au	Phanerozoic
GB08	Porphyry Cu	Cretaceous
GB05	Skarn Au, truncated	Mesozoic - Tertiary
GB01	Skarn Cu	Mesozoic - Tertiary
GB02	Skarn Cu	Mesozoic - Tertiary
GB14	Polymetallic replacement + skarn Zn-Pb	Mesozoic - Tertiary
GB07	Porphyry Cu	Mesozoic - Tertiary
GB15	Polymetallic replacement + skarn Zn-Pb	Mesozoic - Tertiary
GB10	Porphyry Cu	Jurassic
GB09	Porphyry Cu	Tertiary
GB18	Distal disseminated Ag-Au	Mesozoic - Tertiary

The continental crust

Seventy-seven major components of the North American continent were delineated at a general scale (1:5,000,000); including the general composition, geological environment, and types of primary metals endowments that can be expected in each domain.

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Domain	Crust type	Region
Mojave	Lateral-extensional orogen	Central and Southwest

Geochemistry of stream sediments in the US from the NURE-HSSR database

National-scale geochemical analysis of stream sediments and soils in the US collected and analyzed under the National Uranium Resource Evaluation program.

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Sample ID	Date collected	Sample type
5158254	1980-03-16	Stream sediment sample from dry stream, sieved to less than 149 microns (-100 mesh), and dried (if necessary) at less than or equal to 110øC.

National Geochemical Database: Rock

Geochemical analysis of rock samples collected and analyzed by the USGS. This dataset includes and supersedes rock data formerly released as "Geochemistry of igneous rocks in the US extracted from the PLUTO database"

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Sample ID	Rock type	Rock name
EMV512	metamorphic	skarn
EMV513	sedimentary	limestone/dolomite
EMV514	igneous	felsic
EMV515
EPI070
EPI071	igneous	granite
EPI072	igneous	granite
EPI073
EPI132	igneous	quartz monzonite
EPI133	igneous	quartz monzonite
EPI134	igneous	quartz monzonite
EPI135	igneous	quartz monzonite
EPI136	igneous	quartz monzonite
EPI137	igneous	quartz monzonite
EPI138	igneous	quartz monzonite
EPI139	igneous	quartz monzonite
LME533
LME534	sedimentary	limestone/dolomite
LME535
LME536	sedimentary	limestone/dolomite
LME537
LME538
LME539
LME540	metamorphic	skarn
LME541	metamorphic	skarn
LME542
LME543
LME544	sedimentary	limestone/dolomite
LME545
LME546
LME547
LME548	metamorphic	skarn
LME549
LME550
LME551
LME563
LME564
LME565
LME566
LME567
LME612
LME613
LME614
LME615
LME616
LME617
LME618
LME619
LME620
LME621
LME622
MBJ505	unidentified	granite
MBJ507	unidentified	granite

Mineral Resource Data System

MRDS describes metallic and nonmetallic mineral resources throughout the world. Included are deposit name, location, commodity, deposit description, geologic characteristics, production, reserves, resources, and references.

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Site name	Development	Commodities
Silver Mountain Working South	Occurrence	AG AU PB ZN S
Silvia Mine	Prospect	AU PB AG

National Geochemical Database: Sediment

Geochemical analysis of sediment samples from the National Geochemical Database. Primarily inorganic elemental concentrations, most samples are of stream sediment in the continental US and Alaska.

Database Home

Sample ID	Sample source	Sample notes
ENR129	stream/river	utmx=458800; utmy=4117400; stream

National Geochemical Database: Soil

Geochemical analysis of soil samples from the National Geochemical Database. Primarily inorganic elemental concentrations, most samples are from the continental US and Alaska.

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Sample ID	Sample source	Sample notes
LMF236	stream/river	S; stream
LMF237	stream/river	S; stream
LMF238	stream/river	S; stream
LMF239	stream/river	S; stream
MBJ506	surface	GR
MBJ508	surface	GR

National Geochemical Database: Concentrate

Geochemistry of concentrates from the National Geochemical Database. Primarily inorganic elemental concentrations, most samples are from the continental US and Alaska.

Database Home

Sample ID	Sample source	Sample notes
ENR397	stream/river	utmx=458800; utmy=4117400; stream
LMF589	stream/river	C3; stream
LMF590	stream/river	C3; stream
LMF591	stream/river	C3; stream
LMF592	stream/river	C3; stream

Global assessment of undiscovered copper resources

Deposits, prospects, and permissive tracts for porphyry and sediment-hosted copper resources worldwide, with estimates of undiscovered copper resources.

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Tract name	Deposit type	Geology
Cascade Arc	porphyry copper	U.S. part of a continental margin arc that formed during subduction of the Pacific and Juan de Fuca plates beneath western North America
Great Basin Tertiary	porphyry copper	Mid-Tertiary volcanic fields associated with postsubduction extension in the Great Basin
Sierran Arc	porphyry copper	A composite island-continental margin arc that formed during subduction of the Farallon Plate beneath western North America
Western U.S. and Sonoran Desert Jurassic Arc	porphyry copper	U.S. and Mexican parts of a composite island-continental margin arc that formed during subduction of the Farallon Plate beneath western North America

Prospect- and mine-related features on USGS topographic maps

Symbols indicating mining-related features digitized from historical USGS topographic maps in the western part of the conterminous US. Includes prospect pits, mine shafts and adits, quarries, open-pit mines, tailings piles and ponds, gravel and borrow pit

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Feature ID	Feature type	Feature name
Prospect Pit	point
Mine Shaft	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Adit	point
Adit	point
Adit	point
Adit	point
Adit	point
Adit	point
Adit	point
Adit	point
Adit	point
Adit	point
Adit	point
Adit	point