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Cothain

Past Producer in El Dorado county in California, United States with commodity 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. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10029682
MRDS ID M007379
Record type Site
Current site name Cothain
Related records 10259918

Geographic coordinates

Geographic coordinates: -121.01242, 38.60657 (WGS84)
Relative position 1/2 MILE FROM COTHRIN

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Folsom SE(quadrangle 1:24,000 scale)

Sacramento(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Cosumnes(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 009N 009E 29 California

Commodities

Commodity Importance
Copper Primary

Comments on the commodity information

  • MASSIVE PYRITE

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Amphibolite

Nearby scientific data

(1) -121.01242, 38.60657
ListMap

Economic information

Economic information about the deposit and operations

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

Comments on the production information

  • PROSPECTED IN 1926. PRODUCED LESS THAN 100,000 LBS. OF COPPER PRIOR TO 1926.

Comments on the workings information

  • A 100-FT. SHAFT.

Reference information

Bibliographic references

  • Deposit

    CLARK, W. B. AND CARLSON, D. W., 1956 : MINES AND MINERAL RESOURCES, EL DORADO COUNTY, CA.: CALIF. JOUR. MINES AND GEOLOGY, VOL. 52 , NO. 4 : DIV. OF MINES, P. 480 .

  • Deposit

    LOGAN, C. A., 1926 , SACRAMENTO FIELD DIVISION: 22ND REPT. STATE MIN.; CALIF. MIN. BUR., P. 407 .

General comments

Subject category Comment text
Deposit NO OTHER EVIDENCE OF CU FOUND. NOT ON PL. 10, V. 52, NO. 4

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-DEC-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.