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  3. Mineral Resource Data System (MRDS)

Castagnetto Ii

Occurrence in Mariposa county in California, United States with commodities Copper, Gold
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10095098
MRDS ID M009353
Record type Site
Current site name Castagnetto Ii
Related records 10114855

Geographic coordinates

Geographic coordinates: -120.25821, 37.64075 (WGS84)
Relative position 1/2 MILE NORTH OF HORNITOS

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Penon Blanco Peak(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Merced(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003S 016E 30 California

Comments on the location information

  • UTM ACC.SW1/4 OF SEC. 30

Commodities

Commodity Importance
Copper Primary
Gold Primary

Analytical data

Result 6 % CU

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -120.25821, 37.64075
ListMap

Economic information

Ore body information

  • Thickness 6.1M

Comments on the geologic information

  • GEOL.DESC: GEOLOGY SIMILAR TO THAT OF BARRETT MINE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Workings at the site

  • Type of workings Underground
    Overall depth 9.14M

Comments on the workings information

  • ONE SHAFT

Reference information

Bibliographic references

  • Deposit

    AUBURY, L. E., 1905 , COPPER RESOURCES OF CALIFORNIA BULL. 23 ; CALIF. MIN. BUR., P. 215 .

  • Deposit

    BOWEN, O. E. AND CLIFFTON, G. H., 1957 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY, CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 1 & 2 , P. 225 .

General comments

Subject category Comment text
Deposit BEST COPPER ORE IN OXIDIZED ZONE WAS OF CARBONATE TYPE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-JUL-1978 Fraticelli, L. A. (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.