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Hawkins Mine

Producer in San Benito 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. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10109381
MRDS ID M020106
Record type Site
Current site name Hawkins Mine
Related records 10285812

Geographic coordinates

Geographic coordinates: -121.28212, 36.93326 (WGS84)
Relative position 12 1/2 MI. BY ROAD N. E. OF HOLLISTER

Site location context

Political divisions (FIPS codes)

San Benito(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Three Sisters(quadrangle 1:24,000 scale)

Monterey(quadrangle 1:100,000 scale)

Monterey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Pajaro(hydrologic unit)

Central California Coastal(hydrologic accounting unit)

Central California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California San Benito

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 011S 006E 35 California

Comments on the location information

  • UTM APPROX

Commodities

Commodity Importance
Manganese Critical Primary

Analytical data

Result AVERAGE GRADE 25 TO 30 PERCENT MANGANESE

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert
    Rock unit name Franciscan Complex
    Rock description Franciscan Complex
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -121.28212, 36.93326
ListMap

Economic information

Comments on the geologic information

  • ORE HOSTED IN FRANCISCAN COMPLEX--L. TO L. ; GEOL.DESC: ORE OCCURS IN BODIES OF INTENSELY FRACTURED AND HYDROTHERMALLY ALTERED FRANCISCAN CHERT AND IS ASSOCIATED WITH GLAUCOPHANE SCHIST. THE CHERT IS SURROUNDED BY SANDSTONE AND SHALE, WHICH ON THE CONTACTS HAVE BEEN ALTERED TO SCHIST, GLAUCOPHANE, CHLORITE AND EPIDOTE. ORE IS MAINLY SECONDARY POROUS BLACK OXIDE COATINGS, STRINGERS AND VEINLETS. A 1 FT. VEIN OF BLACK OXIDE CONSISTS OF LENTICULAR MASSES, SEPARATED BY CALCITE VEINS.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 PP. 186 - 187

  • Deposit

    D.O.M. BULL. 125 1943 PP. 83 , 158

Reporter information

Type Date Name Affiliation Comment
Reporter 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.