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Mill Gulch, North Elder Creek Group

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. 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. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10043460
MRDS ID M100227
Record type Site
Current site name Mill Gulch, North Elder Creek Group

Geographic coordinates

Geographic coordinates: -122.65415, 40.02653 (WGS84)
Elevation 549
Relative position APPROX. 31 MILES W. OF RED BLUFF, CA.

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 16;16;16 SW (16); NW (16); NE (16) California

Comments on the location information

  • WORKINGS LOCATED IN A GULCH THAT DRAINS SOUTHWARD INTO THE N. FORK OF ELDER CREEK.

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Host and associated rocks

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

Nearby scientific data

(1) -122.65415, 40.02653
ListMap

Economic information

Ore body information

  • General form LENSE
    Strike N 35 W
    Dip MODERATE NE
    Thickness 9.75M
    Length 213.36M
    Width 22.86M

Comments on the geologic information

  • MILL GULCH 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 APPRORX. 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 1886
Year of first production 1928
Year of last production 1955

Mining district

District name Elder Creek Area

Land status

Ownership category State

Ownership information

  • Type Operator
    Owner Tehama Consolidated Chrome Co.
    First year 1946

Comments on the production information

  • ABOVE CUMULATIVE PRODUCTION FIGURES FROM MILL GULCH AND NOBLE ELECTRIC STEEL CO. MINES.

Reserves and resources

  • Type In-situ
    Estimate year 1944
    Total resources 27935000mt ore
    Commodity Subtype Grade units Group Importance Year
    Chromium Cr2O3 10 wt-pct Chromium Major 1944

Comments on the reserve resource information

  • RYNEARSON, G. A., 1946 USGS BULL 945-G, P. 208-209.

Comments on the workings information

  • WORKINGS CONSISTED OF AT LEAST 4 TUNNELS AND NUMEROUS SMALL PITS AND TRENCHES (1940'S).

Reference information

Bibliographic references

  • Deposit

    STINSON, 1975, CDMG MINERAL PROPORTY REPORT, UNPUBLISHED

  • Deposit

    WELLS, F. G. AND HAWKES, H. E., 1965, CDMG BULL 134, PART 1, CHAPT. 3, P. 166-168.

  • Deposit

    RYNEARSON, G. A., 1946, USGS BULL 945-G, P. 208-209.

  • Production

    STINSON, 1975, CDMG MINERAL PROPERTY REPORT, UNPUBLISHED.

General comments

Subject category Comment text
Deposit THE MAIN ORE BODY IS EXPOSED ON THE EAST SIDE OF MILL GULCH ABOUT 500 FT FROM NORTH ELDER CREEK.

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.