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  3. Mineral Resource Data System (MRDS)

Chaboya - Hillsdale

Past Producer in Santa Clara county in California, United States with commodity Mercury
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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. Alteration
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10040740
MRDS ID M055603
Record type Site
Current site name Chaboya - Hillsdale
Alternate or previous names Sheboya, San Juan Bautista, Chapman
Related records 10262208

Geographic coordinates

Geographic coordinates: -121.85659, 37.28853 (WGS84)
Elevation 76
Relative position 3 MI S 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

San Jose East(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 007S 001E 33,34 California

Comments on the location information

  • LOCATED AT CENTER OF MINES

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore

Alteration

  • (Local) Silica Carbonate Alteration Of Serpentine

Nearby scientific data

(1) -121.85659, 37.28853
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Serpentine - Sandstone Contact

Ore body information

  • General form LENSES, PODS

Controls for ore emplacement

  • Steeply Dipping N - S And Flat Dipping Ne - Sw Fractures

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1847
Discoverer Mexicans
Production years 1847 - 1874, 1892 - 1907, 1915, 1943 - 1945

Ownership information

  • Type Owner
    Owner Manuel T. Azevedo

Workings at the site

  • Type of workings Surface/Underground
    Length 1219.2M
    Overall depth 30.48M

Comments on the workings information

  • MOSTLY CAVED

Reference information

Bibliographic references

  • Deposit

    HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252

  • Deposit

    BAILEY, E. H., USGS, PERSONAL FILES

  • Deposit

    RANSOME, A. L. AND KELLOGG, J. L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 35, P. 353 - 486

  • Deposit

    BRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.

  • Deposit

    5) DAVIS, F.F. AND JENNING, C.W., 1954, MINES AND MINERAL RESOURCES OF SANTA CLARA COUNTY, CALIF.: CJMG, V. 50, P. 342-354

  • Deposit

    6) FRANKE, H.A., 1930, SANTA CLARA COUNTY, MINING IN CALIFORNIA: REPT. OF THE STATE MINERALOGIST, V. 26, P. 26-33

  • Production

    USBM UNPUB DATA

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Peterson, Jocelyn A. 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.