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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. Materials information
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10043638
MRDS ID M100453
Record type Site
Current site name Colorado Mine
Related records 10213812

Geographic coordinates

Geographic coordinates: -120.70264, 35.36219 (WGS84)
Relative position ASSUMED SPOT ON BOUNDARY OF SECTS. 32,33

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

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California San Luis Obispo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 029S 012E 32,33 California

Comments on the location information

  • APPROXIMATELY 5 MILES FROM GOLDTREE SIDING; LOCATED ON BOUNDARY BETWEEN SECTS. 32 AND 33.

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Nearby scientific data

(1) -120.70264, 35.36219
ListMap

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1880

Mining district

District name Cerro Alto-Cuesta Pass Area

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner P. A. H. Arata, Mr. Palmer, C. E. Walters
    First year 1918

Comments on the production information

  • ORE PRODUCTION WAS 1200 L.T.

Workings at the site

  • Type of workings Surface
    Overall length 121.92M

Comments on the workings information

  • WORKINGS CONSISTED OF 4 OPEN CUTS WITH A NW TREND; ALL CAVED IN 1918.

Reference information

Bibliographic references

  • Deposit

    WALKER, G.W. AND GRIGGS, A.B., 1953, GEOL. INVESTIGATIONS OF CHROMITE IN CALIF.: CALIF. DIVISION OF MINES BULLETIN 134, PART II, CHAPT. 2,P.61,81

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1981 Oster, Karel L. (Albers, John P.) 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.