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

O.K. & North Extent

Past Producer in Tuolumne county in California, United States with commodity Gold
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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. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10034600
MRDS ID M021440
Record type Site
Current site name O.K. & North Extent
Related records 10287094

Geographic coordinates

Geographic coordinates: -120.4635, 37.97908 (WGS84)
Relative position ABOUT 3 MILES N.W. OF JAMESTOWN AND AJOINING THE TRANTULA QUARTZ MINE TO THE SOUTH

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 Stanislaus(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 002N 014E 32 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -120.4635, 37.97908
ListMap

Economic information

Ore body information

  • Strike N 35 W
    Dip 42 SW
    Thickness 1.22M

Comments on the geologic information

  • GEOL.DESC: SLATE HANGING WALL, GREENSTONE ON FOOTWALL

Economic information about the deposit and operations

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

Mining district

District name Mother Lode Belt

Workings at the site

  • Type of workings Underground
    Area 16.188HA

Comments on the workings information

  • CROSSCUT ADIT 380 FT. INTERSECTING VEIN 140 FT. BELOW OUTCROP OF VEIN; DRIFT 140 FT. SOUTH, 200 FT. NORTH; SEVERAL SHALLOW SHAFTS ON SURFACE.

Reference information

Bibliographic references

  • Deposit

    TUCKER, W.B., 1914 , TUOLUMNE COUNTY: CMB REPT. 14 , P. 158

General comments

Subject category Comment text
Deposit NO OTHER INFORMATION FOUND.

Reporter information

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