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  3. Mineral Resource Data System (MRDS)

Enterprise

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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10076872
MRDS ID W024149
Record type Site
Current site name Enterprise
Alternate or previous names Barcroft
Related records 10163314

Geographic coordinates

Geographic coordinates: -120.18377, 37.52715 (WGS84)
Elevation 411
Relative position 3 1/2 MI. NE OF HORNITOS

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)

Fresno River(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
005S 016E 02,03;34 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -120.18377, 37.52715
ListMap

Economic information

Ore body information

  • Strike NE
    Dip 30 SE
    Thickness 1.22M

Comments on the geologic information

  • GEOL.DESC: VEIN 2 - 4 FT. THICK

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1880 - 1912 , 1935 , 1940

Comments on the production information

  • INTERMITTENTLY ACTIVE, 1880 - 1912 , 1935 , 1940 . LAST TWO SHIPMENTS OF ORE RAN ABOUT 0.3 OZ. OF GOLD PER TON AND 1/2 OZ OF AG.

Comments on the workings information

  • HAD A 120 FT. INCLINED SHAFT IN 1904 .

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. 257 .

  • Deposit

    AUBURY, L. E., 1903 , REGISTER OF MINES AND MINERALS FOR MARIPOSA COUNTY, CALIF., P. 11 .

  • Production

    BOWEN AND GRAY, 1957

General comments

Subject category Comment text
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1979 Hayden, F. (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.