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Skyline No. 1, 2, Rodhill Calims

Past Producer in Plumas 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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Ownership information
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10043619
MRDS ID M100413
Record type Site
Current site name Skyline No. 1, 2, Rodhill Calims

Geographic coordinates

Geographic coordinates: -121.18383, 40.03709 (WGS84)
Elevation 1850
Location accuracy 1000(meters)
Relative position Assumed Spot Center, Sect. 10.

Site location context

Political divisions (FIPS codes)

Plumas(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Caribou(quadrangle 1:24,000 scale)

Lake Almanor(quadrangle 1:100,000 scale)

Susanville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork Feather(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Plumas 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 Plumas

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 025N 007E 10 California

Comments on the location information

  • CLAIMS LOCATED ON RED HILL.

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Analytical data

Result SKYLINE NO. 1 ORE 42.74% CR2O3, 13.56% FE, CR TO FE RATIO 2.16 TO 1
Result SKYLINE NO. 2 ORE 46.03% CR2O3, 13.02% FE, CR TO FE 2.42 TO 1.

Nearby scientific data

(1) -121.18383, 40.03709
ListMap

Economic information

Economic information about the deposit and operations

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

Mining district

District name North Fork Of Feather River Area

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Maxwell, George
    Home office Virgilia, Ca.
    First year 1942
    Last year 1943

Production statistics

  • Year 1943
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^40.46% Cr2o3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Chromium Chromium 40wt-pct
  • Year 1943
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^Skyline No. 2 Claim, 46.03% Cr2o3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Chromium Chromium 46wt-pct
  • Year 1943
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^Skyline No. 1 Claim, 42.74% Cr2o3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Chromium Chromium 43wt-pct

Comments on the production information

  • LAST PRODUCTION ENTRY PROBABLY FROM RED HILL OR SKYLINE CLAIMS.

Reference information

Bibliographic references

  • Deposit

    RYNEARSON, G.A., 1953, CDMG BULL. 134, PT. 3, CHAPT. 5, P. 291, 315

  • Production

    CDMG BULL 134, PT. 3, CHAPT. 5, P. 291

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-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.