Scientific data near [40.25501,-117.35221]

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

Geographic context

Counties, states, countries, continents, or oceans
Lander	county
Nevada	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Wild Range Canyon	quadrangle 1:24,000 scale
Fish Creek Mountains	quadrangle 1:100,000 scale
Winnemucca	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Dixie Valley	hydrologic unit
Central Nevada Desert Basins	hydrologic accounting unit
Central Nevada Desert Basins	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
Younger tuffaceous sedimentary rocks	NV	Pliocene and Miocene
Intermediate silicic ash flow tuff	NV	lower Miocene and Oligocene

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
Winnemucca	M/R-D	Winnemucca 4747 line km with spacing 4.80 km over parts of NV
Northwest Nevada Central	M-Dz	Northwest Nevada Central 4023 line km with spacing 1.60 km over parts of NV

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
GB05	Skarn Au, truncated	Mesozoic - Tertiary
GB15	Polymetallic replacement + skarn Zn-Pb	Mesozoic - Tertiary
GB02	Skarn Cu	Mesozoic - Tertiary
GB08	Porphyry Cu	Cretaceous
GB09	Porphyry Cu	Tertiary
GB18	Distal disseminated Ag-Au	Mesozoic - Tertiary
GB26	Epithermal vein, quartz-alunite	Tertiary
GB19	Massive sulfide, Cyprus	Paleozoic
GB10	Porphyry Cu	Jurassic
GB23	Epithermal vein, Comstock	Tertiary
GB28	Hot-spring Au-Ag	Tertiary
GB30	Sediment-hosted Au	Phanerozoic

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

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
D-550727	Sediment	Stream, Dry
D-550824	Sediment	Stream, Wet
D-550890	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
5148998	1976-10-05	Dry stream sediment sample dried at 110øC and sieved to -18 and +35 mesh (less than 1000 and greater than 500 microns).
5149135		Wet stream sediment sample dried at 110øC and sieved to -18 and +35 mesh (less than 1000 and greater than 500 microns).
5149222	1976-09-18	Dry stream sediment sample dried at 110øC and sieved to -18 and +35 mesh (less than 1000 and greater than 500 microns).

Geochemistry of water samples in the US from the NURE-HSSR database

National-scale geochemical analysis of water samples in the US collected and analyzed under the National Uranium Resource Evaluation program.

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Sample ID	Date collected	Sample type
1090316	1976-10-05	Stream water sample filtered through a 0.45 micron membrane filter.
1090370		Spring water sample filtered through a 0.45 micron membrane filter.

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
D244292	igneous	granite
M164446	sedimentary	sandstone
M164447	sedimentary
M164448	sedimentary	siltstone
M164452	sedimentary	siltstone
M164453	igneous

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.

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Sample ID	Sample source	Sample notes
C165769	stream/river
D550727	surface
D550824	surface
D550890	surface

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
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Gravel Pit	point
Gravel Pit	point
Gravel Pit	point