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California Ophir

Past Producer in Calaveras county in California, United States with commodity Gold
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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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10102695
MRDS ID M006315
Record type Site
Current site name California Ophir
Related records 10235558

Geographic coordinates

Geographic coordinates: -120.51211, 38.02852 (WGS84)
Elevation 411
Relative position JUST W. OF CARSON HILL

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Angels Camp(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Stanislaus(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 002N 013E 14 California

Comments on the location information

  • UTM ACC SE 1/4 NE 1/4 SEC

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • FREE MILLING ORE

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -120.51211, 38.02852
ListMap

Economic information

Ore body information

  • Strike NW
    Dip E
    Thickness 1.52M

Comments on the geologic information

  • GREENSTONE FOOTWALL, SLATE HANGING WALL TWO VEINS

Economic information about the deposit and operations

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

Comments on the production information

  • IDLE SINCE 1903 , FREE MILLING ORE. NO PRODUCTION RECORD FOUND

Workings at the site

  • Type of workings Underground
    Area 4.452HA

Comments on the workings information

  • DEVELOPED BY 65 DEG INCLINED SHAFT 600 FT DEEP WITH LEVELS AT 200 , 400 AND 600 FT WITH DRIFTS BOTH N & S FOR 400 FT.

Reference information

Bibliographic references

  • Deposit

    CLARK, W.B., LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.; COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P 142 AND PL B

  • Deposit

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

  • Deposit

    LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P. 300

General comments

Subject category Comment text
Deposit VEINS, TWO VEINS WITH GREENSTONE FOOTWALL, SLATE HANGING WALL

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Mateik, R.; Albers, John P. U.S. Geological Survey

Beyond USGS

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

External references

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.