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  3. Mineral Resource Data System (MRDS)

Lead & Tam O'Shanter

Past Producer in Tuolumne county in California, United States with commodities Gold, Lead
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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. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10034572
MRDS ID M021405
Record type Site
Current site name Lead & Tam O'Shanter
Alternate or previous names Toledo Cons., Buena Vista
Related records 10287407

Geographic coordinates

Geographic coordinates: -120.47322, 37.9888 (WGS84)
Relative position ABOUT 1/2 MILE W. OF TUTTLETOWN

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)

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 002N 014E 31,32 California

Commodities

Commodity Importance
Gold Primary
Lead Secondary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Ankerite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -120.47322, 37.9888
ListMap

Economic information

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • GEOL.DESC: GOLD AND GALENA ASSOCIATED WITH MASSIVE ANKERITE AND MARIPOSITE EXTRACTED FROM QUARTZ VEINS FOUND IN AMPHIBOLITE SCHIST HOST.

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

Comments on the production information

  • IN FORMER YEARS, THE LEAD CLAIM PRODUCED RICH GOLD QUARTZ AND CONSIDERABLE AMOUNTS OF GALENA

Comments on the workings information

  • SHAFT 150 FT. AND SHORT CROSSCUT ADIT DIRECTED TOWARD DIPPING ORE VEIN WHICH WAS NOT CUT BY SHAFT.

Reference information

Bibliographic references

  • Deposit

    CRAWFORD, J. J., 1896 , THIRTEENTH REPT. OF THE STATE MINERALOGIST: CMB REPT. 13 , P. 484

  • Deposit

    TUCKER, W. B., 1914 , TUOLUMNE COUNTY: CMB REPT. 14 , P. 154

General comments

Subject category Comment text
Deposit TAM O'SHANTER, BUENA VISTA AND TOLEDO CLAIMS NOT DESCRIBED BY STATE REPORTS HAVE ALL BEEN ASSUMED TO BE GEOLOGICALLY SIMILAR TO THE ADJACENT LEAD CLAIM.

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.