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West Norcross 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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10043671
MRDS ID M100493
Record type Site
Current site name West Norcross Mine
Alternate or previous names Sweetwater-Norcross Group, Brooklyn Mine
Related records 10237635

Geographic coordinates

Geographic coordinates: -120.74987, 35.40803 (WGS84)
Elevation 366

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 13 California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -120.74987, 35.40803
ListMap

Economic information

Ore body information

  • General form POD
    Width 0.61M
  • General form POD

Comments on the geologic information

  • CHROMITE OCCURS IN NUMEROUS SERPENTINIZED ULTRAMAFIC BODIES THAT ARE WIDELY DISTRIBUTED IN A NW TRENDING BELT OF THE FRANCISCAN FM.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Northern San Luis Obispo Area

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner J. A. Houlahan And C. E. Cazier

Comments on the workings information

  • WORKINGS CONSISTED OF AN INCLINED SHAFT LOCATED IN THE SE PART OF AN OPEN PIT. (1943)

Reference information

Bibliographic references

  • Deposit

    WALKER, G.W. AND GRIGGS, A.B., 1953, CDMG BULL 134, PART 2, CHAPT. 2, P. 68, 85

General comments

Subject category Comment text
Deposit ORE PINCHES OUT AT THE BOTTOM OF THE INCLINED SHAFT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1982 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.