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Big Bend

Occurrence in Mendocino county in California, United States with commodity Manganese
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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. Land status
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10031321
MRDS ID M010009
Record type Site
Current site name Big Bend
Related records 10236854

Geographic coordinates

Geographic coordinates: -123.09277, 39.82042 (WGS84)
Relative position 2.5 MI. E. - N. E. OF COVEB RANGER STATION

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Newhouse Ridge(quadrangle 1:24,000 scale)

Covelo(quadrangle 1:100,000 scale)

Ukiah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Fork Eel(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 023N 011W 28 California

Comments on the location information

  • LOCATED IN N 1/2 SW 1/4 SECTION 28

Commodities

Commodity Importance
Manganese Critical Tertiary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore

Nearby scientific data

(1) -123.09277, 39.82042
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: BLOCKS AND FRAGMENTS OF RED CHERT WITH PSILOMELANE, PYROLUSITE AND WAD IN THE FLOAT ROCKS. NO ORE IS FOUND IN PLACE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Land status

Ownership category National Forest

Comments on the production information

  • NO PRODUCTION. IDLE.

Reference information

Bibliographic references

  • Deposit

    CALIFORNIA JOURNAL OF MINES & GEOLOGY, V. 49, NO. 4 OCT., 1953, P. 384

  • Deposit

    D.O.M. BULL. 152, P. 113

General comments

Subject category Comment text
Deposit ON THE WHOLE THE ORE SEEMS TO HAVE BEEN DERIVED FROM A CHERT CONTAINING MORE OR LESS MANGANESE IN THE FORM OF SPHERULES OF MANGANESE CARBONATE. THEREFORE, IT IS PROBABLE THAT COMMERCIAL ORE WILL BE FOUND ONLY IN THE OXIDIZED ZONE.

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.

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.