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  3. Mineral Resource Data System (MRDS)

Western

Past Producer in Inyo 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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10101387
MRDS ID D000865
Record type Site
Current site name Western

Geographic coordinates

Geographic coordinates: -118.53427, 37.34994 (WGS84)

Site location context

Political divisions (FIPS codes)

Inyo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tungsten Hills(quadrangle 1:24,000 scale)

Bishop(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 Inyo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006S 031E 34 California

Comments on the location information

  • UTM EST, LITERATURE HAS THE DISTRICT IN RANGE 17 W, OBVIOUSLY MISTAKEN ITS IN RANGE 17 E.

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Scheelite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -118.53427, 37.34994
ListMap

Economic information

Controls for ore emplacement

  • Fractures

Comments on the geologic information

  • GEOL.DESC: PENDANT IS COMPOSED OF SEVERAL NEARLY VERTICAL ELONGATE BODIES OF TACTITE INTERSTRATIFIED WITH SCHIST AND HORNFELS. CONTACT BETWEEN THE METAMORPHIC ROCKS AND GRANITE, BETWEEN THE ADIT LEVEL AND SURFACE EXPOSURE ON THE CONTACT, DIPS 30 SW. TRUNCATING THE STRUCTURES IN THE METAMORPHIC ROCKS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1937-1938, 1940, 1943

Mining district

District name Round Valley Area

Production statistics

  • Year 1944
    Period 1944
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^.4-.5% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Ore Tungsten Tungsten 0wt-pct

Comments on the production information

  • PRODUCTION FROM 9 SMALL-SCALE OPERATIONS

Comments on the workings information

  • OPEN CUTS, A GLORY HOLE AND HAULAGE ADIT

Reference information

Bibliographic references

  • Deposit

    BATEMAN, P.C., ETAL, 1950; GEOLOGY OF TUNGSTEN HILLS; CA. JOUR. MINES AND GEOLOGY, VOL. 46, NO. 1; DIV. OF MINES, P. 40-42.

  • Deposit

    NORMAN, L.A. AND STEWART, R.M., 1951; MINES AND MINERAL RESOURCES; INYO COUNTY; CA. JOUR. MINES AND GEOLOGY, VOL. 47, NO. 1; DIV. OF MINES, P. 202.

General comments

Subject category Comment text
Deposit SCHEELITE OCCURS IN ORE SHOOTS NEAR THE GRANITE CONTACT.
Deposit OPEN PIT, GLORY HOLE, AND UNDERGROUND HAULAGE. MINERALIZED ALONG BEDDING PLANES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1974 Elliott, James E. U.S. Geological Survey
Updater 01-APR-1979 Fraticelli, L. A. (Albers, J.) U.S. Geological Survey PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD
Editor 09-JUN-1995 Mosier, Dan 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.