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Hinrichs

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. 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 10031346
MRDS ID M010046
Record type Site
Current site name Hinrichs
Related records 10116159

Geographic coordinates

Geographic coordinates: -123.18138, 39.48625 (WGS84)
Relative position N. END OF FOSTER MOUNTAIN

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Foster Mountain(quadrangle 1:24,000 scale)

Ukiah(quadrangle 1:100,000 scale)

Ukiah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper 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 019N 012W 22 California

Comments on the location information

  • LOCATED IN SW 1/4 SECTION 22

Commodities

Commodity Importance
Manganese Critical Tertiary

Analytical data

Result ORE GRADE 19.5 PERCENT MANGANESE AND ELEVEN PERCENT SILICA.

Nearby scientific data

(1) -123.18138, 39.48625
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: BLOCKS OF MANGANIFEROUS CHERT IN RED SOIL WITH SOME EXTERIORS ALTERED TO GOOD MANGANESE ORE. NO ORE IN PLACE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Joseph And Emmalie Kopf

Comments on the production information

  • IDLE. ABOUT 10 TONS OF ORE OF FAIRLY LOW SILICA BUT HIGH IRON CONTENT HAVE BEEN MINED AND SACKED.

Comments on the workings information

  • SHAFT AND TRENCHES.

Reference information

Bibliographic references

  • Deposit

    CALIFORNIA JOURNAL OF MINES & GEOLOGY, V. 49, NO. 4 OCT., 1953, P. 386

  • Deposit

    D.O.M. BULL. 152, P. 125

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.