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Big Bear Occurrence

Past Producer in Tehama 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. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10098550
MRDS ID M100218
Record type Site
Current site name Big Bear Occurrence

Geographic coordinates

Geographic coordinates: -122.65303, 40.02236 (WGS84)
Elevation 579
Location accuracy 1000(meters)
Relative position APPROX. 31 MILES W OF RED BLUFF, CA., Assumed Spot At Center Of Ne Quart. Sect. 20

Site location context

Political divisions (FIPS codes)

Tehama(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Raglin Ridge(quadrangle 1:24,000 scale)

Red Bluff(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States California Tehama

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 025N 007W 20 NE California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Alteration

  • (Local) Partial To Complete Serpentinization Of Host Rocks

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Rock unit name Knoxville
    Rock description Knoxville
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -122.65303, 40.02236
ListMap

Economic information

Ore body information

  • General form LENSE

Comments on the geologic information

  • THE OCCURRENCE IS LOCATED NEAR THE NORTH END OF THE ELDER CREEK MASS, A LONG FAULT BOUNDED N-S TRENDING ULTRAMAFIC BODY THAT IS EXPOSED OVER AN AREA APPROX. 120 KM BY 4 KM.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1882

Mining district

District name Elder Creek Area

Ownership information

  • Type Owner
    Owner Liston Ehorn
    First year 1946

Reference information

Bibliographic references

  • Deposit

    WELLS, F.G. AND HAWKES, H.E., 1965, CDMG BULL 134, PART 1, CHAPT. 3, P. 159-162

  • Production

    CDMG BULL 134, PT. 1, CHAPT. 3, P. 159-162

General comments

Subject category Comment text
Deposit Discovery Year: EARLY 1880'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-82 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.