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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Ophir

Occurrence in El Dorado 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. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10029863
MRDS ID M007679
Record type Site
Current site name Ophir

Geographic coordinates

Geographic coordinates: -120.84241, 38.64684 (WGS84)
Relative position NW1/4 SW1/4. CLAIM OF 14 ACRES ON MOTHER LODE TWO MILES SOUTH OF EL DORADO.

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Placerville(quadrangle 1:24,000 scale)

Placerville(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Cosumnes(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 009N 010E 11 California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

(1) -120.84241, 38.64684
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Clark, C. A.

Comments on the production information

  • ACTIVE 1932-34; PROSPECTED 1951-52. SOME HIGH-GRADE ORE PRODUCED.

Comments on the workings information

  • ADIT AND SHAFT; 2-STAMP MILL

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 52, NO. 4, P. 522, PL. 10; V. 34, NO. 3, P. 266, PL. II

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 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.