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

Columbus

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. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10077981
MRDS ID W026079
Record type Site
Current site name Columbus
Related records 10165963

Geographic coordinates

Geographic coordinates: -120.2485, 37.9827 (WGS84)
Elevation 853
Relative position ABOUT 2 MILE N. OF TUOLUMNE 1/2 MILE S.W. OF CHEROKEE, ON RIDGE W. OF CHEROKEE CREEK.

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tuolumne(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 002N 016E 32 California

Comments on the location information

  • PREVIOUS QUAD DESIGNATION = SAN JOSE 1:250000

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 > Schist > Mica Schist

Nearby scientific data

(1) -120.2485, 37.9827
ListMap

Economic information

Ore body information

  • Strike N 35 W
    Dip 55 NE
    Thickness 12.19M

Comments on the geologic information

  • GEOL.DESC: SITUATED ON THE "EUREKA-DEADHORSE VEIN" OF THE UNITED MINES GROUP, BOTH WALLS IN THIS CLAIM ARE SCHIST, AND THE HANGING WALL CONTAINS DIORITE PORPHYRY DIKES.

Economic information about the deposit and operations

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

Mining district

District name East Belt

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Area 18.212HA

Comments on the workings information

  • INCLINED SHAFT 230 FT. ON VEIN WITH N. AND S. DRIFTS ON 100 AND 200 FT. LEVELS.

Reference information

Bibliographic references

  • Deposit

    CRAWFORD, J.J., 1896 , THIRTEENTH REPT. OF THE STATE MINERALOGIST: CMB REPT. 13 , P. 142

  • Deposit

    LOGAN, C.A., 1949 , MINES AND MIN. RES. OF TUOLUMNE COUNTY: CDMG REPT. 45 , P. 61

General comments

Subject category Comment text
Deposit MINING RECORDS LIST LAST OPERATION IN 1939 .

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.

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.