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  3. Mineral Resource Data System (MRDS)

Two Brothers

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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Workings at the site
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10103057
MRDS ID M021491
Record type Site
Current site name Two Brothers
Related records 10238826

Geographic coordinates

Geographic coordinates: -120.25155, 37.82048 (WGS84)
Relative position ABOUT 1/2 MILE NN:E OF BIG OAK FLAT

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Moccasin(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)

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 Tuolumne

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001S 016E 19,20 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Nearby scientific data

(1) -120.25155, 37.82048
ListMap

Economic information

Economic information about the deposit and operations

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

Workings at the site

  • Type of workings Underground
    Area 10.118HA

Comments on the workings information

  • 2 CLAIMS: TWO BROTHERS AND LITTLE SISTERS. EXTENT OF WORKINGS UNKNOWN.

Reference information

Bibliographic references

  • Deposit

    ROOT, L. L., 1928 , REPT. TWENTY - FOUR OF THE STATE MINERALOGIST: CDM REPT. 24 , P. 39

General comments

Subject category Comment text
Deposit SEE MACK QUARTZ MINE HOLDINGS. 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.