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  3. Mineral Resource Data System (MRDS)

Black Oak

Past Producer 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Links to other databases
  10. Bibliographic references
  11. Reporter information

Geologic information

Identification information

Deposit ID 10284340
MRDS ID M007985
MAS/MILS ID 0060170008
Record type Site
Current site name Black Oak
Alternate or previous names Cassiorina, Cassiorini
Related records 10030066

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -120.82962, 38.87989 (WGS84)
Elevation 762
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Georgetown(quadrangle 1:24,000 scale)

Placerville(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 012 N 010 E 23 N2NE California

Commodities

Commodity Importance
Chromium Critical Tertiary

Nearby scientific data

Ore Body (1) -120.82962, 38.87989
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    CALIF JOUR V 52 P 465

  • Deposit

    DOM BULL 134 P 161

Reporter information

Type Date Name Affiliation Comment
Reporter 04-NOV-1983 Western Field Operations Center (WFOC) U.S. Bureau of Mines

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.