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  3. Mineral Resource Data System (MRDS)

Reported Mine

Occurrence in Placer 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10032054
MRDS ID M012145
Record type Site
Current site name Reported Mine

Geographic coordinates

Geographic coordinates: -121.0677, 38.9185 (WGS84)
Relative position ABOUT THE SW1/4?. ABOUT A MILE NORTH OF AUBURN.

Site location context

Political divisions (FIPS codes)

Placer(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Auburn(quadrangle 1:24,000 scale)

Sacramento(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Placer

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 012N 008E 03 California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

(1) -121.0677, 38.9185
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: QUARTZ VEIN IN AMPHIBOLITE SCHIST - ONE OF THE "POCKET VEIN" LOCATIONS SAID TO BE RICH IN FREE GOLD WITH NOT MUCH SILVER; RICH "SULPHURETS" SAID TO OCCUR AT THIS LOCATION. VEIN STRIKES NW, DIPS 73 DEG. SW.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Ophir

Reference information

Bibliographic references

  • Deposit

    USGS 14TH ANN. REPT. PT. 2, P. 253, PL. 17

  • Deposit

    USGS FOLIO 5, SACRAMENTO (ECON. GEOL. SHEET)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. 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.