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  3. Mineral Resource Data System (MRDS)

Eureka

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. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10034537
MRDS ID M021355
Record type Site
Current site name Eureka
Related records 10165926

Geographic coordinates

Geographic coordinates: -120.38711, 37.98741 (WGS84)
Relative position AT SONORA

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 002N 014E 36 California

Comments on the location information

  • COORDINATES APPROXIMATED

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

Nearby scientific data

(1) -120.38711, 37.98741
ListMap

Economic information

Ore body information

  • Thickness 1.22M

Comments on the geologic information

  • GEOL.DESC: TWO QUARTZ VEINS 20 FT. APART; ONE IS SLATE, THE OTHER IN CHLORITE SCHIST.

Economic information about the deposit and operations

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

Comments on the workings information

  • SHAFT 120 FT.

Reference information

Bibliographic references

  • Deposit

    CRAWFORD, J.J., 1894 , TWELFTH REPT. OF THE STATE MINERALOGIST: CMB REPT 12 , P 302

  • Deposit

    TUCKER, W.B., 1914 , TUOLUMNE COUNTY: CMB REPT. 14 , P. 148

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.