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Ironrite Claim

Past Producer in Yuba 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. Land status
  13. Ownership information
  14. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10043632
MRDS ID M100444
Record type Site
Current site name Ironrite Claim

Geographic coordinates

Geographic coordinates: -121.04021, 39.46627 (WGS84)
Elevation 780
Location accuracy 1000(meters)
Relative position 3 MILES N OF CAMPTONVILLE., Assumed Center Of S2, Sect. 35

Site location context

Political divisions (FIPS codes)

Yuba(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Camptonville(quadrangle 1:24,000 scale)

Yuba City(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yuba(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Tahoe 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 Yuba

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 019N 008E 35 S2 California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Analytical data

Result ORE AVG. 38.20% CR2O3, CR TO FE RATIO 1.72 TO

Host and associated rocks

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

Economic information

Comments on the geologic information

  • DEPOSIT OCCURS IN A NW TRENDING, LONG THIN MASS OF SERPENTINE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1942

Mining district

District name Camptonville Area

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner C. A. Winrod And Others
    First year 1942

Production statistics

  • Year 1942
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^38.20% Cr2o3, 15.19% Fe, Cr To Fe Ratio 1.72 To 1
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Chromium Chromium 38wt-pct
    Ore Iron Iron 15wt-pct

Reference information

Bibliographic references

  • Deposit

    RYNEARSON, G.A., 1953, CDMG BULL 134, PART 3, CHAPT. 5, P. 261, 31

  • Production

    RYNEARSON, 1953, CDMG BULL 134, PART 3, CHAPT. 5, P. 261

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.