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Ehorn Group

Occurrence 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. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10043693
MRDS ID M100594
Record type Site
Current site name Ehorn Group
Alternate or previous names Properties: Ore Basin, Valley View.

Geographic coordinates

Geographic coordinates: -122.66137, 40.01653 (WGS84)
Location accuracy 1000(meters)
Relative position APPROX. 31 MILES W. OF RED BLUFF, CA., Assumed Spot At Center Of Sw Quarter, 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;025N 007W;007W 20;20 SW OF SW 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
    Rock unit name Knoxville
    Rock description Knoxville
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -122.66137, 40.01653
ListMap

Economic information

Comments on the geologic information

  • THE GROUP 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 Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Elder Creek Area

Reference information

Bibliographic references

  • Deposit

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

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.