Scientific data near [37.22405,-120.11016]

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

Geographic context

Counties, states, countries, continents, or oceans
Merced	county
California	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Raynor Creek	quadrangle 1:24,000 scale
Merced	quadrangle 1:100,000 scale
San Jose	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Middle San Joaquin-Lower	hydrologic unit
San Joaquin	hydrologic accounting unit
San Joaquin	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
Eocene nonmarine rocks, unit 1 (Northern and Central California)	CA	Eocene
pre-Cenozoic granitic and metamorphic rocks undivided	CA	Early Proterozoic to Late Cretaceous
Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains)	CA	Triassic to Late Jurassic
Plio-Pleistocene and Pliocene loosely consolidated deposits	CA	Miocene to Pleistocene

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
South Sierra Foothills	M-D	South Sierra Foothills 8513 line km with spacing 0.80 km over parts of CA
Central Sierra Nevada	M-Dz	Central Sierra Nevada 7378 line km with spacing 0.60 km over parts of CA
San Jose	M/R-D	San Jose 5182 line km with spacing 4.80 km over parts of 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
PC03	Skarn Cu	Mesozoic
PC08	Porphyry Cu	Mesozoic
PC40	Low-sulfide Au-quartz vein	Mesozoic

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
Foothills-Wallowa	Oceanic arc	Western Cordillera

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
Quarry	point
Quarry	point
Quarry	point
Quarry	point
Quarry	point
Quarry	point