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Little Castle Creek Mine

Past Producer in Shasta 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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Production statistics
  17. Reserves and resources
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10043690
MRDS ID M100591
Record type Site
Current site name Little Castle Creek Mine
Alternate or previous names Castle Crag Mine

Geographic coordinates

Geographic coordinates: -122.30277, 41.18263 (WGS84)
Elevation 951
Relative position APPROX. 4 KM SOUTH OF DUNSMUIR, CA.

Site location context

Political divisions (FIPS codes)

Shasta(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dunsmuir(quadrangle 1:24,000 scale)

Mount Shasta(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Sacramento Headwaters(hydrologic unit)

Upper Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Shasta

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 038N;038N;038N 004W;004W;004W 02;02;02 SW OF NW OF NW California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Analytical data

Result CARLOAD OF ORE AVG. 37.16% CR2O3, 11.35% FE, CR TO FE RATIO 2.2 TO 1.

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 Cretaceous
  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite

Nearby scientific data

(1) -122.30277, 41.18263
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Dunite Body Cut By Fault Showing 1.5 M Offset.

Ore body information

  • General form IRREG
    Strike N 40E
    Dip 90
    Thickness 14M
    Length 48M
    Width 16M

Comments on the geologic information

  • CHROMITE IS FOUND IN A LARGE TABULAR SHAPED BODY OF PERIDOTITE WITH AN ANTICLINAL STRUCTURE THAT OCCURS IN THE NW CORNER OF THE COUNTY.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1906
Discoverer L.H. Brown, Dunsmuir, Ca.
Year of first production 1906
Year of last production 1953

Mining district

District name Little Castle Creek Area

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner R. F. Helmke, Thomas And C. R. Janssen Co.
    First year 1955
  • Type Owner
    Owner Rodger Ellis And Clinton Scarf, 919 Masson Ave., Dunsmuir, Ca.

Production statistics

  • Year 1911
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^45-48% Cr2o3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Chromium Chromium 47wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1965
    Total resources 133000mt ore
    Commodity Subtype Grade units Group Importance Year
    Chromium Cr2O3 20 wt-pct Chromium Major 1965

Comments on the reserve resource information

  • WELLS AND HAWKES, CDMG BULL 134 PART 1 CHAP. 3, P. 151-152.

Workings at the site

  • Type of workings Surface/Underground
    Length 126M

Comments on the workings information

  • WORKINGS CONSIST OF SEVERAL TUNNELS AND DRIFTS, 2 MAJOR OPEN CUTS AND SEVERAL SMALLER CUTS AND TRENCHES. (1975)

Reference information

Bibliographic references

  • Deposit

    STINSON, M.C., 1975, CDMG MINERAL PROPERTY REPORT, UNPUBLISHED

  • Deposit

    WELLS, F.G. AND HAWKES, H.E., 1965, CDMG BULL 134, PART 1, CHAPT. 3, P. 151-152.

  • Production

    CDMG UNPUBLISHED REPORT

General comments

Subject category Comment text
Deposit ABOVE DIMENSIONS ARE OF MAIN ORE BODY. IN ADDITION, THERE ARE TWO SMALLER ONES: THE LOWER ORE BODY AND THE UPPER ORE BODY.

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.