Scientific data near [35.02710,-115.03124]

Search area extends approximately 2.2 km east-west and 2.7 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
San Bernardino	county
California	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Signal Hill	quadrangle 1:24,000 scale
Ivanpah	quadrangle 1:100,000 scale
Kingman	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Piute Wash	hydrologic unit
Lower Colorado	hydrologic accounting unit
Lower Colorado	hydrologic subregion
Lower Colorado	hydrologic region
Areas administered by US Federal agencies
Mojave National Preserve	National Preserve
National Preserve NPS	Type of land area
NPS	Federal land areas administered by NPS

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
Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges)	CA	Permian to Tertiary; most Mesozoic
Precambrian rocks, undivided, unit 2 (Mojave Desert and Transverse Ranges)	CA	Early Proterozoic to Miocene
Quaternary alluvium and marine deposits	CA	Pleistocene to Holocene
Tertiary volcanic flow rocks, unit 16 (Northern Mojave Desert)	CA	Tertiary (4-22 Ma)

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
Southeastern California	M-Dz	Southeastern California 6681 line km with spacing 4.80 km over parts of CA-NV
Kingman-Trona	M-D	Kingman-Trona 18901 line km with spacing 0.80 km over parts of CA
Kingman	M/R-D	Kingman 8600 line km with spacing 1.60 km over parts of AZ-NV-CA
Southeast Mojave Desert	M/R-D	Southeast Mojave Desert 17277 line km with spacing 0.20 km over parts of CA-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
SB06	Porphyry Cu	Mesozoic - Tertiary
SB27	Epithermal vein, Comstock	Tertiary
SB31	Epithermal vein, Sado	Tertiary
SB32	Epithermal vein, quartz-alunite	Tertiary
SB36	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
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-510347	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
5158996	1977-03-30	Dry stream sediment sample dried at 110øC and sieved to -18 and +35 mesh (less than 1000 and greater than 500 microns).

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
LHJ243
LHJ244
LHJ245	igneous	felsic
M192431

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
California Comstock	Past Producer	PB AG AU CU
Leiser Ray Mine	Past Producer	AG CU AU PB V ZN
Louisiana Louisiana-California Mine	Occurrence	V PB ZN CU AG
California Comstock	Occurrence	AG CU AU PB

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
D200698	stream/river	sand; clastic; lithic; SEIVED DRAINAGE SEDIMENTS (< 500 UM); stream
D510347	stream/river	< 80-mesh stream sediment, dry stream.; stream

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.

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Sample ID	Sample source	Sample notes
D203195	stream/river	sand; clastic; lithic; DRAINAGE SEDIMENT HEAVY MINERAL CONCENTRATE; stream
LHJ201	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
Western Sierra Madre Occidental and Laramide Central	porphyry copper	Belt of Late Cretaceous to middle Eocene (Laramide) magmatic arc rocks in the Sierra Madre Occidental, eastern Mexican Basin and Range, and the Mesa Central of north-central Mexico and extensions north in to the U.S
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
Mine Shaft	point
Mine Shaft	point
Mine Shaft	point
Mine Shaft	point
Mine Shaft	point	Leiser Ray Mine
Mine Shaft	point
Mine Shaft	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
Prospect Pit	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
Prospect Pit	point
Mine Shaft	point	Leiser Ray Mine
Mine Shaft	point
Mine Shaft	point
Mine Shaft	point
Mine Shaft	point
Mine Shaft	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point