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  3. Mineral Resource Data System (MRDS)

Malone

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 10031257
MRDS ID M009919
Record type Site
Current site name Malone
Alternate or previous names Bear Creek
Related records 10286304

Geographic coordinates

Geographic coordinates: -119.91098, 37.52854 (WGS84)
Elevation 792
Relative position NE1/4? 1/2 MI. E. BEAR CR. SCHOOL & HIGHWAY 140, 1 1/2 MI. S. MIDPINES.

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Feliciana Mountain(quadrangle 1:24,000 scale)

Yosemite Valley(quadrangle 1:100,000 scale)

Mariposa(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 005S 019E 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 > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -119.91098, 37.52854
ListMap

Economic information

Ore body information

  • Strike N 35 W
    Dip 35 - 40 SW
    Thickness 1.07M
    Depth to top 0M

Comments on the geologic information

  • GEOL.DESC: FIVE ROUGHLY PARALLEL NARROW QUARTZ VEINS CUT A SMALL, ROUGHLY CIRCULAR INTRUSION OF GRANITIC ROCK 3/4 MI. INDIAMETER WHICH HAS INTRUDED SCHISTOSE & MASSIVE GREENSTONE. VEIN MATTER IS RIBBON QUARTZ CONTAIN THIN SHEETS OF ALTERED WALL ROCK.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1880

Mining district

District name Mariposa

Comments on the production information

  • OPERATED INTERMITTENTLY FROM 1880 TO 1935. IDLE FOR MANY YEARS. ACCORDING TO REPORTS IN 1890, THE ORE AVERAGED ABOUT $14 PER TON AT A PRICE OF $7.50 TO $18.00 PER OZ. NO OTHER PRODUCTION RECORD FOUND

Workings at the site

  • Type of workings Underground
    Length 225.55M
    Overall depth 42.67M

Comments on the workings information

  • 200-FT. INCLINED SHAFT REACHING A VERTICAL DEPTH OF 140-FT., 2 AIRSHAFTS 30 AND 75 FT. DEEP, AND A DRIFT ADIT AND CONNECTING CROSSCUT TUNNEL 600-FT. LONG.

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. 122 - 123 , 280 .

  • Deposit

    CASTELLO, W. O., 1921 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY IN SEVENTEENTH REPORT OF THE STATE GEOLOGIST: CALIFORNIA STATE MINING BUREAU, P. 122 - 123 .

  • Deposit

    LAIZURE, C. MCK., 1928 , SAN FRANCISCO FIELD DIVISION IN TWENTY-FOURTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA STATE MINING BUREAU. P.

General comments

Subject category Comment text
Deposit VEIN
Deposit PROPERTY IS ON PATENTED AGRICULTURAL LAND. ERODED PARTS OF THE VEIN APPARENTLY YIELDED CONSIDERABLE PLACER GOLD PRIOR TO 1880 . PROSPECT SHOW NE 1/4 EL PORTAL ( 1947 ) 15 MIN. QUAD. MAY BE THIS MINE.

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.