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Pine Grove

Past Producer in Amador county in California, United States with commodities Gold, Silver, Copper, Lead
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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. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10102602
MRDS ID M005260
Record type Site
Current site name Pine Grove
Related records 10211265

Geographic coordinates

Geographic coordinates: -120.51907, 38.44158 (WGS84)
Relative position 1 MILE SE OF BUCKHORN LODGE

Site location context

Political divisions (FIPS codes)

Amador(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

West Point(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 013E 23 California

Comments on the location information

  • SW 1/4 SEC. 23

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Tertiary
Lead Tertiary

Comments on the commodity information

  • FREE GOLD ASSOCIATED WITH SULFIDES IN QUARTZ VEIN.

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Pyrite Ore
Silver Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -120.51907, 38.44158
ListMap

Economic information

Ore body information

  • General form PINCH & SWELL
    Strike NW
    Dip STEEPLY SW
    Thickness 1.52M

Comments on the geologic information

  • GEOL.DESC: QUARTZ VEINS 1 TO 5 FT.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1935
Production years 1944 - 1950

Ownership information

  • Type Operator
    Owner Wendell M. Miller, Et. Al.
    Home office C/O E. A. De Ruchia

Comments on the production information

  • FROM 1944 TO 1950 40 TO 50 TONS OF ORE PRODUCED WHICH ASSAYED UP TO $80/TON.

Comments on the workings information

  • SHAFT 90 FT., SEVERAL HUNDRED FT OF DRIFTS, CROSSCUTS 100 FT., OLD SHAFT 400 FT CONNECTED TO MAIN WORKINGS. WORKED INTERMITTANTLY FROM 1935 TO 1941 AND CONTINUOUSLY FROM 1944 TO 1950

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. 189 - 190

  • Production

    CARLSON, D.W. AND CLARK, W.B., 1954

General comments

Subject category Comment text
Deposit QUARTZ VEIN DEPOSIT

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.