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Number Eight

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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10102865
MRDS ID M009430
Record type Site
Current site name Number Eight
Related records 10115155

Geographic coordinates

Geographic coordinates: -120.20432, 37.50799 (WGS84)
Elevation 335
Relative position 2 MI ENE 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
Mount Diablo 005S 016E 10 California

Comments on the location information

  • UTM EST, S 1/2 (?)

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Economic information

Ore body information

  • Strike N 25 - 30 W
    Dip 65 - 70 SW
    Thickness 1.83M
    Depth to top 0M

Comments on the geologic information

  • GRANITE IS SCHISTOSE, PROBABLY ALTERED GRANODIORITE

Economic information about the deposit and operations

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

Workings at the site

  • Type of workings Unknown
    Overall depth 6.1M

Comments on the workings information

  • 2 SHAFTS, 300 FT APART

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. 291

  • Deposit

    AUBURY, L.E., 1904 , REGISTER OF MINES AND MINERALS, MARIPOSA COUNTY CALIFORNIA: CALIFORNIA STATE MINING BUREAU, P. 12

General comments

Subject category Comment text
Deposit VEIN, 3 - 6 FT THICK

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-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.