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  3. Mineral Resource Data System (MRDS)

Deforest Prospect

Occurrence 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. Links to other databases
  10. Bibliographic references
  11. Reporter information

Geologic information

Identification information

Deposit ID 10033588
MRDS ID M020189
Record type Site
Current site name Deforest Prospect
Related records 10116904

Geographic coordinates

Geographic coordinates: -121.48908, 37.33992 (WGS84)
Elevation 762
Relative position IN A RAVINE 3 MI. S. OF DEFOREST

Site location context

Political divisions (FIPS codes)

Santa Clara(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Stakes(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 007S 004E 12 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Analytical data

Result ORE GRADE 57 PERCENT METALLIC MANGANESE

Nearby scientific data

(1) -121.48908, 37.33992
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: POCKET OF MANGANESE ORE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 P. 249

  • Deposit

    D.O.M. BULL. 125 1943 P. 176

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1978 Killman, K.; 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.