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  3. Mineral Resource Data System (MRDS)

Polar Bear Mine

Past Producer in Siskiyou county in California, United States with commodities Copper, Zinc
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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. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10077764
MRDS ID W025714
Record type Site
Current site name Polar Bear Mine
Alternate or previous names Chalcopyrite
Related records 10286798

Geographic coordinates

Geographic coordinates: -122.73139, 41.33567 (WGS84)
Elevation 1189

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Scott Mountain(quadrangle 1:24,000 scale)

Mount Shasta(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Scott(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Klamath 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 Siskiyou

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 040N 008W 12 California

Commodities

Commodity Importance
Copper Primary
Zinc Critical Secondary

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Pyrite Ore
Sphalerite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -122.73139, 41.33567
ListMap

Economic information

Ore body information

  • Thickness 1.83M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1900

Mining district

District name Callahan

Land status

Ownership category National Forest

Production statistics

  • Year 1900
    Period 1900
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^17 % Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Copper Copper 17wt-pct

Comments on the production information

  • COMPLEX ORE SHIPPED TO SMELTER IN 1917 : RECOVERY WAS 3.06 % ZN, AND 13.93 % CU.

Workings at the site

  • Type of workings Underground
    Length 100.58M
    Overall depth 64.01M

Comments on the workings information

  • 210 FT. SHAFT AND 120 FT. N 85 W ADIT.

Reference information

Bibliographic references

  • Deposit

    BROWN, G. C., 1914 , SISKIYOU COUNTY, 14TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 819

  • Deposit

    GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 3 & 4 , P. 703 - 704.

  • Production

    GOODWIN, J. G., 1957 , (SEE REF.)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1978 Fraticelli, L. A. (Albers, J.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

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.