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Chromic Acid No. 2 Claim

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. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10043636
MRDS ID M100450
Record type Site
Current site name Chromic Acid No. 2 Claim
Related records 10286896

Geographic coordinates

Geographic coordinates: -120.74765, 35.42053 (WGS84)
Relative position ASSUMED SPOT AT CENTER OF SECT. 12.

Site location context

Political divisions (FIPS codes)

San Luis Obispo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Atascadero(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

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 011E 12 California

Comments on the location information

  • 1/4 MILE EAST OF TIP TOP CLAIM

Commodities

Commodity Importance
Chromium Critical Primary

Comments on the commodity information

  • HIGH GRADE ORE

Materials information

Materials Type of material
Chromite Ore

Alteration

  • (Local) Serpentinization Of Dunite

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

Economic information

Ore body information

  • General form POD

Economic information about the deposit and operations

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

Mining district

District name Sweetwater-Norcross Area

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Pierce, W. W.

Comments on the workings information

  • WORKINGS CONSISTED OF A LINE OF SHALLOW AND COMPLETELY CAVED OPEN CUTS.

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. 55,56,81.

  • Deposit

    ALLEN, J.E., 1941, GEOL. INVESTIGATIONS OF CHROMITE DEPOSITS OF CALIF: CALIF. JOURNAL OF MINES AND GEOLOGY, VOL. 37, P. 141.

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.