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  3. Mineral Resource Data System (MRDS)

Black Bear Mine

Prospect in Santa Clara county in California, United States with commodity Manganese
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mineral rights holdings
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10237614
MRDS ID M020183
MAS/MILS ID 0060850005
Record type Site
Current site name Black Bear Mine
Related records 10033583

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -121.51822, 37.45432 (WGS84)
Elevation 945
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Santa Clara(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Eylar Mountain(quadrangle 1:24,000 scale)

San Jose(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Francisco Bay(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Santa Clara

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 005 S 004 E 34 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Nearby scientific data

Main Entrance (1) -121.51822, 37.45432
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1918

Mineral rights holdings

Type of mineral rights Unknown

Ownership information

  • Type Owner
    Owner D. P Doak
    Home office California
    Year 1974

Reference information

Bibliographic references

  • Deposit

    CALIF. BULLETIN 152 1950, PAGE 246

  • Deposit

    BAILEY E H AND HARDEN D R 1975 USGS MIN RES MAP I-909

Reporter information

Type Date Name Affiliation Comment
Reporter 22-MAY-1986 Unknown U.S. Bureau of Mines

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.