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Lafayette

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

Geologic information

Identification information

Deposit ID 10034718
MRDS ID M021598
Record type Site
Current site name Lafayette

Geographic coordinates

Geographic coordinates: -120.14543, 37.52826 (WGS84)
Elevation 564
Relative position 3 MI SSW BEAR VALLEY

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 003S 017E 05 California

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 > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Economic information

Ore body information

  • Strike NW
    Dip 60 NE
    Depth to top 0M

Comments on the geologic information

  • GEOL.DESC: SLATE HANGING WALL, DIORITE FOOTWALL

Economic information about the deposit and operations

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

Mining district

District name Hunter Valley (?)

Workings at the site

  • Type of workings Underground
    Length 232.87M
    Overall depth 45.72M

Comments on the workings information

  • 304 FT TUNNEL, 460 FT DRIFTS

Reference information

Bibliographic references

  • Deposit

    AUBURY, L.E., 1904 , REGISTER OF MINES AND MINERALS, MARIPOSA COUNTY CALIFORNIA: CALIFORNIA STATE MINING BUREAU, P. 11

General comments

Subject category Comment text
Deposit VEIN
Deposit MAY BE RELATED TO LAFAYETTE & LAFAYETTE EXT. 04 S, 16 E SEC 15 .

Reporter information

Type Date Name Affiliation Comment
Reporter 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.