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Black Rock

Producer in Mono county in California, United States with commodity Tungsten
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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. Links to other databases
  10. Bibliographic references
  11. Reporter information

Geologic information

Identification information

Deposit ID 10109270
MRDS ID M010552
Record type Site
Current site name Black Rock

Geographic coordinates

Geographic coordinates: -118.52789, 37.683 (WGS84)
Elevation 2073
Relative position SW1/4

Site location context

Political divisions (FIPS codes)

Mono(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Banner Ridge(quadrangle 1:24,000 scale)

Benton Range(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Crowley Lake(hydrologic unit)

Mono-Owens Lakes(hydrologic accounting unit)

Northern Mojave-Mono Lake(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 Mono

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 03S 31E 14,23 California

Commodities

Commodity Importance
Tungsten Critical Primary

Nearby scientific data

(1) -118.52789, 37.683
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: SCHEELITE-BEARING TACTITE OCCURS OVER AN EXTENSIVE AREA IN THE CREST AND GENTLY DIPPING WEST LIMB OF AN ANTICLINAL SEQUENCE OF CALCAREOUS ROCKS OVERLAIN BY SERICITE HORNFELS.THE ORES OF THIS MINE ALSO CARRY SOME MOLYBDENITE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Comments on the production information

  • DISCOVERED IN 1917 272,591 TONS TOTAL PRODUCTION FROM 1928-1954 AVER. GRADE OF APPROX. 0.5% WO3.

Comments on the workings information

  • 5 OPEN PITS AND MORE THAN A MILE OF LEVEL WORKINGS, RAISES, WINZES, AND STOPES. EXPLORATION THROUGH FACILITY OF DMEA 1951-1954 DISCOVERED SUBSTANTIAL TONNAGE OF ORE.

Reference information

Bibliographic references

  • Deposit

    CALIF. SP. REPT. 48, P. 8, 11-16 AND PL. 1

  • Deposit

    CALIF. V. 36, NO. 2, P. 147-49

  • Deposit

    INDEX OF DMEA REPORTS, DMA NO. 1377, P. 5; ADD. REF.: USGS B. 922-S, P. 587-591; CALIF. B. 176, P. 659-661; B. 725, P. 276-7; USBM I.C. 7945; CALIF. V. 37, NO. 2, P. 314-15; GQ-99

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

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.