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Outpost Claims

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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10103911
MRDS ID M100476
Record type Site
Current site name Outpost Claims
Alternate or previous names Old Glory Claim
Related records 10237513

Geographic coordinates

Geographic coordinates: -120.68041, 35.37386 (WGS84)
Elevation 716
Relative position ASSUMED SPOT AT CENTER SW 1/4 SECT. 27.

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)

Salinas(hydrologic unit)

Central California Coastal(hydrologic accounting unit)

Central California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Los Padres National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

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 27 SW OF SE California

Comments on the location information

  • ON CREST OF SANTA LUCIA RANGE

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Alteration

  • (Local) Serpentinized Dunite

Analytical data

Result ORE AVERAGES 10% CHROMITE

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite

Nearby scientific data

(1) Lower Cretaceous marine rocks
ListMap

Economic information

Ore body information

  • Strike E-W
    Dip 45N
    Length 25.91M

Economic information about the deposit and operations

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

Land status

Ownership category National Forest

Comments on the production information

  • SEVERAL HUNDRED TONS OF ORE PRODUCED

Comments on the reserve resource information

  • SMITH AND GRIGGS (1944)

Comments on the workings information

  • UPPER WORKINGS CONSIST OF A SMALL OPEN CUT AND A 100 FT. LONG DRIFT. LOWER WORKINGS CONSIST OF A LARGE OPEN PIT AND DRIFT.

Reference information

Bibliographic references

  • Deposit

    SMITH, C.T. AND GRIGGS, A.G., 1944, CHROMITE DEPOSITS NEAR SAN LUIS OBISPO CO., CALIF.: U.S.G.S. BULLETIN 945 B., P 43

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-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.