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Moonlight

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. Land status
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10031066
MRDS ID M009645
Record type Site
Current site name Moonlight

Geographic coordinates

Geographic coordinates: -120.03405, 37.72575 (WGS84)
Elevation 792
Relative position NEAR JACKASS MTN

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Buckhorn Peak(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

Stanislaus National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002S 018E 30,31 California

Comments on the location information

  • UTM EST SW1/4 30 NW1/4 31. ON NORTH FORK OF MERCED RIVER, JUST WEST OF THE MARBLE SPRINGS MINE. ACCESSIBLE BY JEEP TRAIL FROM GREELY HILL AND THE MCDIERMID GUARD STATION VIA THE BONDURANT MINE ROAD.SW1/4 30 NW1/4 31. ON NORTH FORK OF MERCED RIVER, JUST WEST OF THE MARBLE SPRINGS MINE. ACCESSIBLE BY JEEP TRAIL FROM GREELY HILL AND THE MCDIERMID GUARD STATION VIA THE BONDURANT MINE ROAD.

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

Nearby scientific data

(1) -120.03405, 37.72575
ListMap

Economic information

Ore body information

  • Strike NW
    Dip 30 NE
    Thickness 1.22M
    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

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner R. W. Beales, A. W. Jackson, C. Musson

Comments on the production information

  • NO PRODUCTION RECORD FOUND, UNDERGOING DEVELOPMENT 1954 & 1955

Workings at the site

  • Type of workings Unknown
    Length 124.97M
    Overall depth 60.96M

Comments on the workings information

  • 340 FT TUNNEL, 70 FT 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. 287

  • 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, 1 - 4 FT WIDE
Deposit GEOLOGY SIMILAR TO MARBLE SPRINGS MINE.

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.