Scientific data near [37.40000,-121.40000]

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

Geographic context

Counties, states, countries, continents, or oceans
Stanislaus	county
California	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Mount Boardman	quadrangle 1:24,000 scale
San Jose	quadrangle 1:100,000 scale
San Jose	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Panoche-San Luis Reservoir	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
Mesozoic gabbroic rocks, unit 2 (undivided)	CA	Triassic to Cretaceous
Franciscan melange	CA	Jurassic to Cretaceous
Ultramafic rocks, chiefly Mesozoic, unit 3 (Coast Ranges and Western Klamath Mountains)	CA	Middle to Late Jurassic

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
San Francisco '73	M-D	San Francisco '73 11909 line km with spacing 1.60 km over parts of CA
San Jose '89-'90	M-D	San Jose '89-'90 6570 line km with spacing 0.40 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
PC11	Massive sulfide, Besshi	Mesozoic
PC34	Hot-spring Au-Ag	Tertiary
PC39	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
Franciscan	Accretionary wedge	Western Cordillera

Podiform chromite deposits

Location and characteristics of 1,124 individual mineral deposits of this type, with grade and tonnage models for chromium as well as several related elements.

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Record	Type	Comment
Adobe Canyon Group
Black Bear

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
M111226	igneous	gabbro
M111227	igneous	pyroxenite
M111228	igneous	peridotite
W186918	igneous	pyroxenite

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
Adobe Canyon Group Deposits	Past Producer	CR
Adobe Canyon Group	Past Producer	CR FE
Mexican Prospect No. 1	Unknown	MN SIL
Unidentified Workings	Occurrence	CR
Manganese Prospect	Occurrence	MN

An index to PGE-Ni-Cr deposits and occurrences in selected mineral-occurrence databases (web-accessible database)

A compendium of references to previously published databases and database records that describe PGE, nickel, and chromium deposits and occurrences. These data show where to obtain more detailed information about each deposit or occurrence.

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Deposit name	Deposit type	Location
Platner Prospect	Past Producer	California, United States
Adobe Canyon Group Deposits	Past Producer	California, United States
Lucky Girl Mine	Past Producer	California, United States
Black Bear Mine	Producer	California, United States
Number Fire Group	Past Producer	California, United States
Number 5 Group	Past Producer	California, United States
Adobe Canyon Group	Past Producer	California, United States
Lucky Girl	Past Producer	California, United States
Platner	Past Producer	California, United States
Black Bear	Past Producer	California, United States
Unidentified Workings	Occurrence	California, United States

National Geochronological Database

Radiometric ages of geological materials by K-Ar, Rb-Sr, Sm-Nd, fission track, and U-Th-Pb dating methods. A revision of DDS-14 correcting locations and providing the data in more convenient formats.

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Sample ID	Sample source	Rock name
9982	Outcrop or artificial surface exposure	Gabbro
9983	Outcrop or artificial surface exposure	Peridotite

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
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
Open Pit Mine or Quarry	point