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Pine Grove Unit

Past Producer in Amador county in California, United States with commodities Gold, Copper, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10028329
MRDS ID M005234
Record type Site
Current site name Pine Grove Unit
Related records 10163125

Geographic coordinates

Geographic coordinates: -120.67045, 38.41101 (WGS84)
Relative position 1/4 MILE S.W. OF PINE GROVE

Site location context

Political divisions (FIPS codes)

Amador(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pine Grove(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Mokelumne(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Amador

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 007N 012E 32 California

Comments on the location information

  • SE 1/4 SEC. 32

Commodities

Commodity Importance
Gold Primary
Copper Tertiary
Zinc Critical Tertiary

Comments on the commodity information

  • FREE GOLD ASSOCIATED WITH MINOR SULFIDES

Materials information

Materials Type of material
Bornite Ore
Gold Ore
Sphalerite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -120.67045, 38.41101
ListMap

Economic information

Ore body information

  • Strike E
    Dip 55 S
    Thickness 0.91M

Comments on the geologic information

  • GEOL.DESC: QUARTZ VEIN VARIES FROM FEW INCHES TO 3 FT. IN THICKNESS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1938

Ownership information

  • Type Operator
    Owner W. F. Peterson

Comments on the production information

  • WORK STARTED BY PETERSON IN 1938. PROPERTY LEASED IN 1946 BY H. P. LIVINGSTON WHO WORKED THE MINE UNTIL 1948. MR. LIVINGSTON REPORTED THAT IN THE LATER 1930'S $5,000 IN GOLD WAS PRODUCED. HE ALSO REPORTS 800 TONS OF $27.00 PER TON GOLD ORE IS BLOCKED OUT AT THE 60-FT. LEVEL. ADJOINS THE PETERSON MINE AND PROBABLY IS THE WORKING SHOWN IN THE SE 1/4 SE 1/4 OF THE SEC. ON USGS QUAD. PINE GROVE, CALIF. 1949

Comments on the workings information

  • INCLINED SHAFT 187 FT. ON VEIN, DRIFTS 200 FT ON 60 FT. LEVEL, DRIFTS SEVERAL HUNDRED FT. ON 120 FT. LEVEL

Reference information

Bibliographic references

  • Deposit

    CARLSON, D.W. AND CLARK, W.B., 1954 , MINES AND MIN. RES. OF AMADOR COUNTY, CAL.: CJMG VOL. 50 , P. 190

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-APR-1978 Tatkin, T.; Albers, J. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.