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  3. Mineral Resource Data System (MRDS)

Buckhorn Claim, Marsh Flats Chrome Assoc. Proporties

Occurrence in Tuolumne 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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10095694
MRDS ID M100600
Record type Site
Current site name Buckhorn Claim, Marsh Flats Chrome Assoc. Proporties
Alternate or previous names Wildboar Claim 1917

Geographic coordinates

Geographic coordinates: -120.3785, 37.8152 (WGS84)

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chinese Camp(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Tuolumne(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Tuolumne

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001S 014E 25;36 SE (25); NE (36) California

Comments on the location information

  • CLAIM LOCATED HEAR THE HEAD OF RESERVOIR GULCH.

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore
Uvarovite Gangue

Host and associated rocks

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

Nearby scientific data

(1) -120.3785, 37.8152
ListMap

Economic information

Ore body information

  • General form POD

Comments on the geologic information

  • THE DEPOSIT OCCURS IN THE SOUTHERN PART OF THE WESTERN MOST OF TWO SERPENTINE BELTS THAT TREND NW-SE ACROSS THE COUNTY. THE BELT IS EXPOSED OVER AN AREA 30 KM BY 6 KM.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1917
Discoverer George Adams And C.F. Lighthold

Mining district

District name Marsh'S Flat Area

Comments on the workings information

  • WORKINGS CONSISTED OF 6-7 SMALL PITS AND OPEN CUTS. MOST OF ORE TAKEN FROM 3 OPEN CUTS 100 FT WEST OF THE BOTTOM OF GULCH.

Comments on development

  • APPROX. 30-40 TONS OF ORE MINED IN 1917-18 AND REMAINS STOCKPILED ON THE CLAIM (1948).

Reference information

Bibliographic references

  • Deposit

    CATER, F.W. JR., 1948, CDMG BULL 134, PART 3, CHAPT. 1, P. 17

General comments

Subject category Comment text
Deposit EXTENSIVE SHEARING IN AND AROUND THE ORE BODIES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1982 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.