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

Little Gem

Past Producer in Tuolumne county in California, United States with commodity Gold
Map
XML
JSON
KML
C
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. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10077896
MRDS ID W025970
Record type Site
Current site name Little Gem
Alternate or previous names Harris
Related records 10166098

Geographic coordinates

Geographic coordinates: -120.43406, 37.94548 (WGS84)
Elevation 427
Relative position ABOUT 1 MILE W. OF JAMESTOWN, ON THE MOTHER LODE

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 Tuolumne(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 001N 014E 16 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -120.43406, 37.94548
ListMap

Economic information

Ore body information

  • Strike NE
    Dip E

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Private

Comments on the production information

  • NO OTHER PRODUCTION FIGURES FOUND.

Comments on the workings information

  • ADIT 70 FT, SHAFT 85 FT, SEVERAL OPEN CUTS

Reference information

Bibliographic references

  • Deposit

    LOGAN, C.A., 1949 , MINES AND MIN. RES. OF TUOLUMNE COUNTY: CDMG REPT. 45 , P. 69

  • Production

    LOGAN, C.A., 1949

General comments

Subject category Comment text
Deposit THIS CLAIM ADJACENT AND EAST OF THE HARVARD MINE. PRINCIPAL WORK DONE IN 1880'S AND 1890'S.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1978 Albers, J.; Tatkin, T. 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.