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  3. Mineral Resource Data System (MRDS)

Oro Grande

Occurrence in Amador 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. Ownership information
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10028354
MRDS ID M005276
Record type Site
Current site name Oro Grande
Related records 10235326

Geographic coordinates

Geographic coordinates: -120.56045, 38.42435 (WGS84)

Site location context

Political divisions (FIPS codes)

Amador(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

West Point(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Mokelumne(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Amador

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 007N 013E 29,32,33 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Operator
    Owner Marie R. North

Workings at the site

  • Type of workings Underground
    Area 13.355HA

Comments on the workings information

  • NO DESCRIPTION OF WORKINGS

Reference information

Bibliographic references

  • Deposit

    CARLSON, D.W. AND CLARK, W.B., 1954 , MINES AND MIN. RES. OF AMADOR COUNTY: CJMG VOL. 50 , P. 255

  • Deposit

    LOGAN, C.A., 1927 , AMADOR COUNTY: CMB REPT. 23 , P. 194

General comments

Subject category Comment text
Deposit NO GEOLOGIC DESCRIPTION

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-APR-1978 Tatkin, T.; Albers, J. 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.