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  3. Mineral Resource Data System (MRDS)

Colorado Mine

Past Producer in San Luis Obispo 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. Land status
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10213812
MRDS ID M100453
MAS/MILS ID 0060790194
Record type Site
Current site name Colorado Mine
Alternate or previous names Colorado Chrome Mine
Related records 10043638

Geographic coordinates

Point of reference Trench
Geographic coordinates: -120.70017, 35.36077 (WGS84)
Elevation 488
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

San Luis Obispo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

San Luis Obispo(quadrangle 1:24,000 scale)

San Luis Obispo(quadrangle 1:100,000 scale)

San Luis Obispo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Central Coastal(hydrologic unit)

Central California Coastal(hydrologic accounting unit)

Central California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States California San Luis Obispo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 029 S 012 E 33 W2W2W2 California

Comments on the location information

  • ON THE SECTION LINE BETWEEN SECS. 32 AND 33, ON THE CASTRO MINE ROAD.

Commodities

Commodity Importance
Chromium Critical Primary

Nearby scientific data

Trench (1) -120.70017, 35.36077
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category National Forest

Reference information

Bibliographic references

  • Deposit

    CALIF. STATE MINING BUR. BULLETIN 76, 1918, P. 170.

  • Deposit

    CALIF. DIV. MINES BULLETIN 134, 1953, PART II, CHAPT. 2,

  • Deposit

    P. 61, 81.

Reporter information

Type Date Name Affiliation Comment
Reporter 21-AUG-1992 Ridenour, James 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.