Antonia Claim

Occurrence in Santa Clara county in California, United States with commodity Manganese
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 10033580
MRDS ID M020180
Record type Site
Current site name Antonia Claim
Related records 10213395

Geographic coordinates

Geographic coordinates: -121.44602, 37.36909 (WGS84)
Relative position ON THE S. SIDE OF BEAUREGARDE CREEK

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 006S 005E 32 California

Comments on the location information

  • E 1/2 SECTION 32

Commodities

Commodity Importance
Manganese Critical Primary

Analytical data

Result AVERAGE LESS THAN 10 PERCENT MANGANESE

Nearby scientific data

(1) -121.44602, 37.36909

Economic information

Comments on the geologic information

  • GEOL.DESC: MAIN EXPOSURE IS LARGE BROKEN BLOCK OF MASSIVE CHERT, 100 FT. IN DIAMETER, KNOWN LOCALLY AS THE "BIG BLOW OUT". ORE CONSISTS OF THIN FILMS OF OXIDE OR DISSEMINATED MANGANIFEROUS CARBONATE. CHERT IS ALMOST COMPLETELY RECRYSTALLIZED, AND IS ADJOINED BY SERPENTINE ON THE E, AND GLAUCOPHANE, CROSSITE AND RELATED SCHISTS ON THE W. CONTACT METAMORPHIC MINERALS ARE GARNET, CROSSITE, ALBITE, GLAUCOPHANE, APATITE. SOME ACMITE AND AEGERINE ARE PRESENT.

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. 246

  • Deposit

    D.O.M. BULL. 125 1943 P. 174

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.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.