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Bonetti Mine

Occurrence in Santa Clara county in California, United States with commodity Chromium
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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. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10043405
MRDS ID M100154
Record type Site
Current site name Bonetti Mine

Geographic coordinates

Geographic coordinates: -121.71796, 37.11048 (WGS84)
Relative position ASSUMED SPOT AT CENTER OF BOUDARY OF TWO SECTIONS.

Site location context

Political divisions (FIPS codes)

Santa Clara(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Madonna(quadrangle 1:24,000 scale)

San Jose(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Pajaro(hydrologic unit)

Central California Coastal(hydrologic accounting unit)

Central California Coastal(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 009S 002E 26,35 California

Comments on the location information

  • LOCATED BETWEEN CHESBORO AND UVAS RESERVOIRS.

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Nearby scientific data

(1) -121.71796, 37.11048
ListMap

Economic information

Comments on the geologic information

  • ORE OCCURS IN A NARROW ATTENUATED MASS OF SERPENTINE THAT EXTENDS 18 MILES ALONG THE EASTERN FOOTHILLS, FROM MORGAN HILL NORTHWARD TO SAN JOSE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1885

Ownership information

  • Type Owner
    Owner Bonetti, H.
    First year 1918

Comments on the production information

  • LESS THAN 150 LONG TONS OF ORE PRODUCED

Reference information

Bibliographic references

  • Deposit

    WALKER, G.W. AND GRIGGS, A.B., 1953, GEOL. INVESTIGATIONS OF CHROMITE IN CALIF.: CALIF. DIVISION OF MINES BULLETIN 134, PART II, CHAPT. 2, P. 71,72,87

General comments

Subject category Comment text
Deposit Discovery Year: 1880'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1981 Oster, Karel L. (Albers, John P.) 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.