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  3. Mineral Resource Data System (MRDS)

Bear Mountain

Occurrence in Siskiyou county in California, United States with commodity Copper
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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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Economic information about the deposit and operations
  11. Land status
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10033906
MRDS ID M020557
Record type Site
Current site name Bear Mountain
Alternate or previous names Nelson
Related records 10166048

Geographic coordinates

Geographic coordinates: -123.66559, 41.82316 (WGS84)
Relative position NORTH SLOPE OF BEAR MOUNTAIN

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Devils Punchbowl(quadrangle 1:24,000 scale)

Happy Camp(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Klamath(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)

Siskiyou Wilderness(Wilderness)

Wilderness 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
Humboldt 017N 005E 32 California

Commodities

Commodity Importance
Copper Tertiary

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite

Nearby scientific data

(1) -123.66559, 41.82316
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Dikes

Comments on the geologic information

  • GEOL.DESC: SERPENTINE IS GENERALLY CUT BY STRINGERS AND VEINS OF ASBESTOS. END OF ADIT DISCLOSED SOME LENTICULAR DIKES OF ALTERED APLITE RELATED TO SISKIYOU GRANODIORITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Length 6.1M

Comments on the workings information

  • ONE ADIT HAS DISCLOSED NO TRACE OF ORE

Reference information

Bibliographic references

  • Deposit

    MAXSON, J. H., 1933 , ECONOMIC GEOLOGY OF DEL NORTE AND SISKIYOU COUNTIES, 29TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 146 - 147

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.

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.