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Erin Go Bragh and Cloudman

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. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10077902
MRDS ID W025977
Record type Site
Current site name Erin Go Bragh and Cloudman
Related records 10117314

Geographic coordinates

Geographic coordinates: -120.41989, 37.91492 (WGS84)
Elevation 411
Relative position AT STENT BETWEEN GOLDEN RULE MOUNTAIN AND QUARTZ HILL.

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 27 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

Economic information

Comments on the geologic information

  • GEOL.DESC: SLATE HANGING WALL, SERPENTINE 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

Land status

Ownership category Private

Comments on the workings information

  • UNTIL 1896 DEVELOPMENT WAS SUPERFICIAL. IN 1923 92 FT. SHAFT WITH SOME CROSSCUTS; UNKNOWN IF VEIN HAD BEEN INTERSECTED.

Reference information

Bibliographic references

  • Deposit

    CRAWFORD, J.J., 1896 , THIRTEENTH REPT. OF THE STATE MINERALOGIST: CMB REPT. 13 , P. 478

  • Deposit

    LOGAN, C.A., 1923 , SACRAMENTO FIELD DIV.: CMB REPT. 20 , P. 20

General comments

Subject category Comment text
Deposit CLOUDMAN CLAIM APPEARS TO HAVE BEEN LEFT UNDEVELOPED.

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.