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  3. Mineral Resource Data System (MRDS)

Caldwell

Producer in Calaveras county in California, United States with commodities Gold, Silver, Copper
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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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Workings at the site
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10033796
MRDS ID M020442
Record type Site
Current site name Caldwell
Alternate or previous names Edna
Related records 10186960

Geographic coordinates

Geographic coordinates: -120.84574, 38.21213 (WGS84)
Relative position 2 MILES NW OF VALLEY SPRINGS

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Valley Springs(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

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 010E 11 California

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Secondary

Materials information

Materials Type of material
Pyrite Ore

Nearby scientific data

(1) -120.84574, 38.21213
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Comments on the production information

  • NO PRODUCTION REPORTED

Workings at the site

  • Type of workings Unknown
    Length 60.96M
    Overall depth 15.24M

Comments on the workings information

  • ONE SHAFT; ONE ADIT 150 FT. LONG.

Reference information

Bibliographic references

  • Deposit

    ERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 218

  • Deposit

    TUCKER, W. B., 1914 , CALAVERAS COUNTY; 14TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 57

General comments

Subject category Comment text
Deposit CAPPED BY MASSIVE IRON GOSSAN CROPPINGS ON SURFACE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1978 Fraticelli, L. A. (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.