Scientific data near [39.80337,-118.20795]

Search area extends approximately 2.2 km east-west and 2.9 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Churchill	county
Nevada	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Fondaway Canyon	quadrangle 1:24,000 scale
Carson Sink	quadrangle 1:100,000 scale
Reno	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Carson Desert	hydrologic unit
Carson	hydrologic accounting unit
Central Lahontan	hydrologic subregion
Great Basin	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
Conglomerate, limestone, and quartz sandstone	NV	Middle and Lower Jurassic
Jungo Terrane - Turbiditic, fine-grained, terrigenous clastic rocks	NV	Middle Jurassic to Upper Triassic

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
Reno	M/R-D	Reno 4787 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
GB05	Skarn Au, truncated	Mesozoic - Tertiary
GB15	Polymetallic replacement + skarn Zn-Pb	Mesozoic - Tertiary
GB18	Distal disseminated Ag-Au	Mesozoic - Tertiary
GB02	Skarn Cu	Mesozoic - Tertiary
GB08	Porphyry Cu	Cretaceous
GB09	Porphyry Cu	Tertiary
GB10	Porphyry Cu	Jurassic
GB26	Epithermal vein, quartz-alunite	Tertiary
GB23	Epithermal vein, Comstock	Tertiary
GB28	Hot-spring Au-Ag	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
Golconda-Roberts Mountain	Accretionary wedge	Western Cordillera

National geochemical survey database

National-scale geochemical analysis of stream sediments and soils in the US, from existing data, reanalysis of existing samples, and new sampling. Goal for sample density is one per 289 square km.

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Sample ID	Material	Source
EQW702	Sediment	Stream, Dry

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
5152594	1979-05-21	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.
5152595	1979-05-21	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.
5152596	1979-05-21	Stream sediment sample from dry stream, sieved to greater than 149 microns (+100 mesh) but less than 1,000 microns (-18 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
D288930	metamorphic
D288931	metamorphic
D288933	sedimentary	shale
D288935	sedimentary	siltstone
D288936	igneous	andesite
D347092	sedimentary	siltstone

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
Quick-Tung Tungsten Mine	Past Producer	W SB
Fondaway Canyon Mine	Producer	AU AG AS SB HG BA W
Colorado Deposit	Producer	AU AG AS SB HG BA W
Quik-Tung Mine	Past Producer	AU SB FE HG AG W
Desert Rat Mine	Occurrence	AU AG
Gold Hill Mine	Past Producer	AU
Fondaway Mine	Producer	AU 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
EQW702	stream/river	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
Open Pit Mine	point
Mine Shaft	point
Mine Shaft	point
Open Pit Mine	point
Open Pit Mine	point
Open Pit Mine	point
Open Pit Mine	point
Open Pit Mine	point
Open Pit Mine	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Mine Shaft	point	Silver Range Mine
Mine Shaft	point
Adit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Adit	point
Adit	point	Quik - Tung Mine
Adit	point
Adit	point
Adit	point
Adit	point
Adit	point
Adit	point
Adit	point
Adit	point
Adit	point
Adit	point
Open Pit Mine	polygon
Open Pit Mine	polygon