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Winchester

Past Producer in Calaveras county in California, United States with commodities Gold, 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. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10029188
MRDS ID M006586
Record type Site
Current site name Winchester
Related records 10138813

Geographic coordinates

Geographic coordinates: -120.5474, 38.18547 (WGS84)
Elevation 610
Relative position 3 1/2 MI S OF MOUNTAIN RANCH

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Calaveritas(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Calaveras(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004N 013E 21 California

Commodities

Commodity Importance
Gold Primary
Lead Tertiary

Comments on the commodity information

  • GALENA ABUNDANT

Materials information

Materials Type of material
Galena Ore
Gold Ore
Quartz Gangue

Host and associated rocks

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

Economic information

Ore body information

  • General form TABULAR
    Strike NW
    Dip NE
    Thickness 3.05M

Comments on the geologic information

  • 2 VEINS TO 10 - FT THICK

Economic information about the deposit and operations

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

Comments on the production information

  • LONG IDLE. NO PRODUCTION RECORDS FOUND.

Comments on the workings information

  • 25 FT ADIT AND SHALLOW SHAFT.

Reference information

Bibliographic references

  • Deposit

    CLARK, W.B., & LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.: CALIF. DIV. MINES & GEOL., COUNTY REPORT 2 , P. 188

  • Deposit

    CLARK, L.D., 1954 , GEOL. & MINERAL DEPOSITS OF THE CALAVERITAS QUADRANGLE: CALIF. DIV MINES SPECIAL REPT. NO 40 , P. 20

  • Deposit

    KERR, M.B., 1900 , REGISTER OF MINES AND MINERALS, CALAVERAS CO.: CALIF. MIN. BUR., 27 P.

General comments

Subject category Comment text
Deposit VEINS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Hayden, F. (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.