1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Little Sister

Past Producer in Inyo county in California, United States with commodities Tungsten, Zinc
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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. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10008716
MRDS ID D001061
Record type Site
Current site name Little Sister
Alternate or previous names Tungsten Mines Company
Related records 10139581

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 07S 31E 12,13 California

Commodities

Commodity Importance
Tungsten Critical Primary
Zinc Critical Secondary

Materials information

Materials Type of material
Scheelite Ore
Sphalerite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -118.53427, 37.34994
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description 3 High Angle Faults

Ore body information

  • Thickness 36.58M
    Length 91.44M
    Width 30.48M
    Depth to top 0M
    Depth to bottom 36.58M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1916
Year of first production 1916
Production years 1916-1942

Mining district

District name Tungsten Hills

Ownership information

  • Type Operator
    Owner Bishop Tungsten Co.

Comments on the production information

  • FROM 182,600 TONS ORE

Comments on the workings information

  • GLORY HOLE AND OTHER UNDERGROUND WORKINGS

Reference information

Bibliographic references

  • Deposit

    LEMMON, D.M. TUNGSTEN DEPOSITS IN THE U.S., VOL. I; UNPUBLISHED DATA, P. 253-255.

  • Deposit

    LEMMON, D.M. AND TWETO, O.L., 1962: TUNGSTEN IN THE U.S.; U.S.G.S. MAP, MR-25.

  • Production

    LEMMON, D.M.

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

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.