Cooper

Producer in Mendocino county in California, United States with commodity Manganese
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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10109248
MRDS ID M009984
Record type Site
Current site name Cooper
Related records 10163932

Geographic coordinates

Geographic coordinates: -123.09469, 38.84238 (WGS84)
Relative position ONE MI. S. E. OF THE SHAW AND MATTHEWS MINE; 7 MI. FROM CLOVERDALE ON THE NORTHWESTERN PACIFIC RAILROAD.

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cloverdale(quadrangle 1:24,000 scale)

Point Arena(quadrangle 1:100,000 scale)

Santa Rosa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Russian(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Mendocino

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 012N 011W 33 California

Comments on the location information

  • LOCATED IN SW 1/4 SECTION 33

Commodities

Commodity Importance
Manganese Critical Primary

Analytical data

Result AVERAGE GRADE 30 PERCENT MANGANESE

Nearby scientific data

(1) -123.09469, 38.84238

Economic information

Comments on the geologic information

  • GEOL.DESC: SILICEOUS MANGANESE ORE IN CHERT BEDS, ORE IS DULLY RESINOUS, REDDISH-BROWN, PROBABLY NEOTOCITE, AND OXIDIZED IN PLACES TO A DEPTH OF ONE INCH.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Operator
    Owner Edward W. And Mabel B. Lebaron

Comments on the production information

  • PROPERTY WAS WORKED IN 1918. SOME ORE ON DUMPS;MAIN BED IS ESTIMATED TO CONTAIN 30 PERCENT MANGANESE; SMALL PRODUCTION IN 1918. IDLE.

Comments on the workings information

  • OPEN CUT.

Reference information

Bibliographic references

  • Deposit

    CALIFORNIA JOURNAL OF MINES & GEOLOGY, V. 49, NO. 4 OCT., 1953, P. 385

  • Deposit

    D.O.M. BULL. 152, PP. 118-9

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-DEC-1977 Killman, K.; Albers, J. U.S. Geological Survey

Beyond USGS

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

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.