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  3. Mineral Resource Data System (MRDS)

Claude

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 10028975
MRDS ID M006279
Record type Site
Current site name Claude
Alternate or previous names Cloud

Geographic coordinates

Geographic coordinates: -120.53822, 38.04602 (WGS84)
Elevation 502
Relative position 1 MI S. OF ANGELS CAMP

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 10 California

Comments on the location information

  • UTM ACC NE 1/4 SEC.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Quartz Gangue

Analytical data

Result ORE $30 PER TON AU

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -120.53822, 38.04602
ListMap

Economic information

Ore body information

  • Strike N 45 W
    Dip NE
    Thickness 3.66M

Economic information about the deposit and operations

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

Comments on the production information

  • DISCOVERED 1885 , WORKED UNTIL APPROX 1896 NO PRODUCTION RECORD FOUND

Workings at the site

  • Type of workings Surface/Underground
    Area 6.88HA
    Overall depth 18.29M

Comments on the workings information

  • DEVELOPED BY 45 AND 60 FT SHAFTS, CROSSCUT ADIT AND OPEN CUT.

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 144 AND PL 13

  • 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 301

  • Production

    CLARK ( 1962 )

General comments

Subject category Comment text
Deposit VEIN, 8 TO 12 FT VEIN WITH PARALLEL VEIN TO E

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.