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  3. Mineral Resource Data System (MRDS)

Horseshoe Ii

Past Producer in Mariposa county in California, United States with commodity 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. Materials information
  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 10030910
MRDS ID M009398
Record type Site
Current site name Horseshoe Ii
Alternate or previous names Eureka
Related records 10139779

Geographic coordinates

Geographic coordinates: -120.17905, 37.5777 (WGS84)
Elevation 488
Relative position S. END OF HUNTER VALLEY CLOSE TO AND W. OF HUNTER VALLEY ROAD.

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hornitos(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 004S 016E 23 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Quartz Gangue

Nearby scientific data

(1) -120.17905, 37.5777
ListMap

Economic information

Ore body information

  • Strike N 60 W
    Dip 65 SW
    Thickness 1.52M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1895 - 1897

Workings at the site

  • Type of workings Underground
    Length 42.67M
    Overall depth 30.48M

Comments on the workings information

  • IN 1895, SHAFT 100 FT. DEEP, 140 FT. OF DRIFTS.

Reference information

Bibliographic references

  • Deposit

    BOWEN, O. E., JR., GRAY, C. H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, V. 53 , NOS. 1 AND 2 , P. 270

  • Production

    BOWEN & GRAY 1957

General comments

Subject category Comment text
Deposit VEIN 2-5 FT THICK
Deposit ORE CONTAINS A LARGE PERCENTAGE OF PYRITE. OLD PROPERTY ACTIVE MAINLY IN 1895 - 1897 .

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-JAN-1979 Bowman, J. And 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.