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Platner Prospect

Past Producer in Stanislaus county in California, United States with commodity Chromium
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10043426
MRDS ID M100181
Record type Site
Current site name Platner Prospect

Geographic coordinates

Geographic coordinates: -121.41102, 37.41325 (WGS84)
Relative position ASSUMED SPOT AT CENTER OF SECT. 15.

Site location context

Political divisions (FIPS codes)

Stanislaus(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Boardman(quadrangle 1:24,000 scale)

San Jose(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Panoche-San Luis Reservoir(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Stanislaus

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 0065 005E 15 California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Alteration

  • (Local) Serpentinization Of Ultramafic Rocks

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discoverer Insufficent Data To Classify

Mining district

District name Des Puerto Area

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Platner, J. H.
    First year 1918

Comments on the production information

  • LESS THAN 150 TONS OF ORE SHIPPED

Reference information

Bibliographic references

  • Deposit

    WALKER, G.W. AND GRIGGS A.B., 1953, GEOL. INVESTIGATIONS OF CHROMITE IN CALIF. : CALIF. DIVISION OF MINES BULLETIN 134, PART II, CHAPT. 2, P. 74, 88

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1981 Oster, Karel L. (Albers, John P.) 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.