Challenge

Past Producer in Mariposa county in California, United States with commodity Gold
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. Mining district
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10102846
MRDS ID M009288
Record type Site
Current site name Challenge
Alternate or previous names Pine Crest, Pine Crest Ext.

Geographic coordinates

Geographic coordinates: -120.15932, 37.64159 (WGS84)
Relative position 5 1/2 MI SSE OF COULTERVILLE

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)

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 002S 016E 26 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Nearby scientific data

(1) -120.15932, 37.64159

Economic information

Comments on the geologic information

  • GEOL.DESC: GEOLOGY AND OCCURENCE OF ORE SIMILAR TO BARRETT.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1941

Mining district

District name Hunter Valley

Ownership information

  • Type Operator
    Owner Mrs. Mary Castagnetto

Comments on the production information

  • SMALL TONNAGE OF LOW-GRADE ORE WAS MINED IN 1941. NO KNOWN PRODUCTION OF COPPER.

Reference information

Bibliographic references

  • Deposit

    BOWEN, O. E., JR., & GRAY, H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIF.: CALIF. JOUR. MINES & GEOL. VOL. 53 , NOS. 1 & 2 , P. 249 .

  • Deposit

    ERIC, J. H., 1948 , COPPER IN CALIFORNIA: CDM BULL. 144 , PT. 3 , P. 266 .

  • Deposit

    LAIZURE, C. MCK., 1928 , S. F. FIELD DIV.- MARIPOSA COUNTY: 24TH REPORT STATE MINERALOGIST, VOL. 24 , NO. 2 , P. 130 .

  • Production

    BOWEN AND GRAY, 1957

General comments

Subject category Comment text
Deposit VEIN
Deposit UNPATENTED CLAIM (1927)

Reporter information

Type Date Name Affiliation Comment
Editor 14-MAR-1994 Mosier, D.L. U.S. Geological Survey CORRECTED LAT.-LONG.
Reporter 01-JUN-1973 Gere W. 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.