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San Jose

Producer 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. Materials information
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10077482
MRDS ID W025156
Record type Site
Current site name San Jose
Related records 10164766

Geographic coordinates

Geographic coordinates: -121.7977, 37.39908 (WGS84)
Elevation 219
Relative position IN ALUM ROCK PARK NEAR PENITENCIA CREEK, 5 MI. E. OF SAN JOSE.

Site location context

Political divisions (FIPS codes)

Santa Clara(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Calaveras Reservoir(quadrangle 1:24,000 scale)

San Jose(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Coyote(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 006S 002E 27 California

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Barite Ore
Hausmannite Ore
Psilomelane Ore
Rhodochrosite Ore
Tephroite Ore

Analytical data

Result ORE GRADE 43.2 TO 63.5 PERCENT MANGANESE, 3 PERCENT SILICA.

Nearby scientific data

(1) -121.7977, 37.39908
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: HUGE BOULDER OF MANGANESE ORE CONTAINING TEPHROITE, HAUSMANNITE, PYROCHROITE, GANOPHYLLITE, RHODOCHROSITE, BARITE AND PSILOMELANE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEO. V. 50, NO.2, APR. 1954, P.415.

  • Deposit

    D.O.M. BULL. 152 1950 P. 263

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.