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Walker

Occurrence in El Dorado county in California, United States with commodity Chromium
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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. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10029632
MRDS ID M007304
Record type Site
Current site name Walker
Related records 10115362

Geographic coordinates

Geographic coordinates: -121.0652, 38.67573 (WGS84)
Relative position SW1/4 - JUST NORTH OF JOERGER MINE.

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Clarksville(quadrangle 1:24,000 scale)

Sacramento(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(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 010N 008E 35 California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Faustino Silva

Comments on the production information

  • SOME CHROME ORE PRODUCED IN 1917 AND AGAIN IN 1918. IN 1942 PROPERTY WORKED BY VOLO MNG. CO. ESTIMATED RESERVES TO THE DEPTH OF THE SHAFT ARE 1500 TONS CONTAINING 10 TO 12 PERCENT CR2O3.

Comments on the workings information

  • A 60 FT. SHAFT WITH 30 FT. OF DRIFTS ON THE 60-FT. LEVEL; NUMEROUS OPEN CUTS.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 52, NO. 4, P. 393, 476

  • Deposit

    DOM BULL. 134, PT. 3, CHAP. 4, PP. 126-128, PL. 8

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.