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  3. Mineral Resource Data System (MRDS)

Penon Blanco Mines

Past Producer in Mariposa county in California, United States with commodities Gold, Silver
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mineral rights holdings
  10. Land status
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10212165
MAS/MILS ID 0060430070
Record type Site
Current site name Penon Blanco Mines

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -120.18629, 37.73802 (WGS84)
Elevation 686
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Coulterville(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)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002 S 016 E 27 SENENE California

Comments on the location information

  • MSHA LOCAT: 2.5 MILES NORTH OF COULTERVILLE TO HAIGHT RANCH, TURN RIGHT AT HAIGHT RANCH SIGN 150 YARDS TO MOBILE HOME.

Commodities

Commodity Importance
Gold Primary
Silver Tertiary

Nearby scientific data

Ore Body (1) -120.18629, 37.73802
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Operator
    Owner W. S. Mining Co.
    ID 404436
    Home office California
    Year 1980

Reference information

Bibliographic references

  • Deposit

    MSHA RPT DATED OCT 1980.

Reporter information

Type Date Name Affiliation Comment
Reporter 04-NOV-1983 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Current status (per MSHA)

StatusAbandoned since 04/17/1981
MSHA mine ID0404436
Mine name (MSHA)Penon Blanco Mine
Current operatorWestern States Mining Company Inc
Current controller (parent)John E Newman
Mine typeUnderground (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

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.