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Elkhorn

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. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10028350
MRDS ID M005269
Record type Site
Current site name Elkhorn
Alternate or previous names Haywire
Related records 10138675

Geographic coordinates

Geographic coordinates: -120.56573, 38.4263 (WGS84)
Relative position 1/4 MILE S.E. OF PIONEER STATION

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)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Amador

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 007N 013E 29 California

Comments on the location information

  • SW 1/4 SE 1/4 OF SEC 29

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Zinc Critical Secondary

Comments on the commodity information

  • FREE GOLD ASSOCIATED WITH PYRITE, AND SOME CHALCOPYRITE, SPHALERITE, BORNITE AND ARSENOPYRITE.

Materials information

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

Host and associated rocks

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

Nearby scientific data

(1) -120.56573, 38.4263
ListMap

Economic information

Ore body information

  • Thickness 0.76M

Comments on the geologic information

  • GEOL.DESC: FREE GOLD OCCURS IN QUARTZ VEIN AND STRINGERS OF GRANODIORITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years INTERMITTANTLY FROM 1890 'S TO 1950 'S

Ownership information

  • Type Operator
    Owner V. F. Pierce, W. H. Riddle, F. C. Hamburg

Comments on the production information

  • ACTIVE IN EARLY 1890'S,1939-1942 AND PRESENT OPERATORS LEASED THE PROPERTY IN 1950 AND WERE SINKING A NEW SHAFT. PRODUCTION ABOUT $15,000 IN GOLD AND SILVER WITH SOME COPPER AND LEAD RECOVERED BETWEEN 1936-1942. SOME PRODUCTION REPORTED IN 1954. THIS PATENTED MINING CLAIM IS OWNED BY MARY AND SADIE R. GRILLO AND PROBABLY IS THE WORKING SHOWN AS LOCATED ABOVE, ON USGS QUAD. WEST POINT, CALIF. 1949

Workings at the site

  • Type of workings Underground
    Area 7.689HA

Comments on the workings information

  • OLD WORKINGS CONSISTING OF 2 SHAFTS CAVED; NEW SHAFT ( 1950 'S ) 85 FT. WITH DRIFTS 55 FT. ON 75 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

  • Deposit

    LOGAN, C.A., 1927 , AMADOR COUNTY: CMB REPT. 23 , P. 189

  • Production

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

General comments

Subject category Comment text
Deposit NO MENTION OF COUNTRY ROCK

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.