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

Fields

Producer in Amador 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. Land status
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10109098
MRDS ID M004868
Record type Site
Current site name Fields
Related records 10138263

Geographic coordinates

Geographic coordinates: -120.82991, 38.28491 (WGS84)

Site location context

Political divisions (FIPS codes)

Amador(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Jackson(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 005N 010E 13 California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Nearby scientific data

(1) -120.82991, 38.28491
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Fredricks, Adrian
    First year 1953

Comments on the production information

  • ALBERT FIELDS LOCATED AND OPERATED THE MINE DURING WWI. IT HAS BEEN IDLE SINCE 1918. PRODUCTION IS UNKNOWN BUT MAY HAVE BEEN AS MUCH AS 50 TONS. ONE TON OF ORE REMAINS ON THE DUMP

Comments on the workings information

  • INCLINED SHAFT NOW OPEN ONLY TO A DEPTH OF 15 FT

Reference information

Bibliographic references

  • Deposit

    DOM BULL. 134, PT. 3, CHAP. 2, P.52

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 50. NO. 1, JAN. 1950, P. 234

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.