Scientific data near [33.78485,-114.09740]

Search area extends approximately 1.1 km east-west and 1.3 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
La Paz	county
Arizona	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Ibex Peak	quadrangle 1:24,000 scale
Blythe	quadrangle 1:100,000 scale
Salton Sea	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Tyson Wash	hydrologic unit
Lower Colorado	hydrologic accounting unit
Lower Colorado	hydrologic subregion
Lower Colorado	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
Middle Miocene to Oligocene sedimentary rocks	AZ	Oligocene to Middle Miocene
Middle Miocene to Oligocene volcanic rocks	AZ	Oligocene to Middle Miocene

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
Salton Sea	M/R-D	Salton Sea 5449 line km with spacing 4.80 km over parts of CA-AZ

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
SB24	Distal disseminated Ag-Au	Mesozoic - Tertiary
SB03	Skarn Cu	Mesozoic - Tertiary
SB20	Polymetallic replacement + skarn Zn-Pb	Mesozoic - Tertiary
SB11	Porphyry Cu	Laramide
SB17	Porphyry Cu-Au	Laramide
SB29	Epithermal vein, Comstock	Tertiary
SB34	Epithermal vein, quartz-alunite	Tertiary
SB39	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

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
Southern California Batholith	porphyry copper	Jurassic-Early Cretaceous island arc(s) of western Baja California, including the western part of the Cretaceous Peninsular Ranges batholith and associated volcanic rocks
Sierran Arc	porphyry copper	A composite island-continental margin arc that formed during subduction of the Farallon Plate beneath western North America
Western Mexican Basin and Range and Laramide Southwest	porphyry copper	Late Cretaceous to middle Eocene island arc and continental arc rocks along the western margin of Mexico and extending north into the U.S.
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
Prospect Pit	point
Prospect Pit	point
Prospect Pit	point
Mine Shaft	point
Prospect Pit	point