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Round Valley

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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10008560
MRDS ID D000863
Record type Site
Current site name Round Valley
Alternate or previous names Big Shoot Noble, Nobles Camp
Related records 10163900

Geographic coordinates

Geographic coordinates: -118.53427, 37.34994 (WGS84)
Relative position NORTH EDGE OF TUNGSTEN HILLS

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

  • SE 1/4, UTM ACC

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Scheelite Ore
Garnet Gangue
Hornblende Gangue
Pyroxene Gangue

Host and associated rocks

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

Nearby scientific data

(1) -118.53427, 37.34994
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Faults

Ore body information

  • Strike NORTH
    Dip 23-69W

Comments on the geologic information

  • GEOL.DESC: DEPOSIT IS IN THE LARGEST PENDANT OF META-SEDIMENTARY ROCKS IN THE TUNGSTEN MILLS. PENDANT IS ELONGATED 4,000 FT. IN E-W DIRECTION, MAX. BREATH OF 600-1,150 FT. BEDS WITHIN PENDANT STRIKE NORTH AND DIPS 23-69W. ROCKS CONSISTS OF MARBLE, SCHIST AND QUARTZITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1917-1918, 1928-1931, 1942-1944

Mining district

District name Round Valley Area

Production statistics

  • Year 1918
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Wo3 Tungsten Tungsten 0wt-pct
  • Year 1945
    Period 1945
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Wo3 Tungsten Tungsten 1wt-pct

Workings at the site

  • Type of workings Underground
    Overall depth 19.2M

Comments on the workings information

  • LARGE GLORY HOLE, INCLINED SHAFT 75 FT. (63 FT. VERTICAL DEPTH) DRIFT AT BOTTOM OF SHAFT EXTENDED 200 FT., INCLINED WINZE 60 FT. 100 FT. EAST IS ANOTHER ADIT AND GLORY HOLE. 400 FT. EAST ARE 3 SHORT ADITS AND A LARGE UNDERGROUND STOPE.

Reference information

Bibliographic references

  • Deposit

    LEMMON, D.M., TUNGSTEN DEPOSITS IN THE US, VOL I; UNPUBLISHED DATA, P. 256-259.

  • Deposit

    LEMMON, D.M. AND TWETO, O.L., 1962; TUNGSTEN IN THE US; USGS MAP, MR-25.

  • Production

    LEMMON, D.M.

General comments

Subject category Comment text
Deposit CONSIDERED TO BE BEST PROSPECT IN AREA FOR MORE ORE AT DEPTH

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.