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Fagan Lease Occurrence

Past Producer 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. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10098548
MRDS ID M100198
Record type Site
Current site name Fagan Lease Occurrence
Alternate or previous names Beckwith Ranch Mines

Geographic coordinates

Geographic coordinates: -120.49044, 37.87798 (WGS84)
Location accuracy 1000(meters)
Relative position APPROX. 4 MILES W OF CHINESE CAMP, CA., Assumed Spot Center Sect. 1

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sonora(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Stanislaus(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Tuolumne

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001S 013E 01 California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -120.49044, 37.87798
ListMap

Economic information

Ore body information

  • General form IRREG

Comments on the geologic information

  • THE DEPOSIT OCCURS IN THE NORTHERN 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 Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1917

Mining district

District name Chinese Camp Area

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner R. B. Beckwith

Comments on the workings information

  • WORKINGS CONSISTED OF SMALL PITS AND SHAFTS LESS THAN 25 FT IN DEPTH.

Reference information

Bibliographic references

  • Deposit

    CATER, F.W. JR., 1948, CDMG BULL 134, PART 3, CHAPT 1, P. 20

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-82 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.