Peterson

Past Producer in Amador county in California, United States with commodities Gold, Arsenic
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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10028291
MRDS ID M005185
Record type Site
Current site name Peterson
Related records 10235493

Geographic coordinates

Geographic coordinates: -120.67545, 38.4074 (WGS84)
Relative position ABOUT 1 MILE S.W. OF PINE GROVE

Site location context

Political divisions (FIPS codes)

Amador(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pine Grove(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Mokelumne(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Amador

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006N 012E 05 California

Comments on the location information

  • NE 1/4 SEC. 5

Commodities

Commodity Importance
Gold Primary
Arsenic Critical Tertiary

Comments on the commodity information

  • ORE CONSISTS OF LEAF GOLD AND DISSEMINATED GOLD IN QUARTZ, ASSOCIATED WITH PYRITE AND ARSENOPYRITE

Materials information

Materials Type of material
Gold Ore
Pyrite Ore

Analytical data

Result SELECTED ORE ASSAYED $40 TO $60/TON AND BETTER WHILE MILL RUN ORE ASSAYED $30/TON.

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
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -120.67545, 38.4074

Economic information

Geologic structures

Type of structure Local
Structure description N.E. Trending Block Faults

Ore body information

  • General form DISSEMINATED

Controls for ore emplacement

  • N.E. Trending Block Faults

Comments on the geologic information

  • GEOL.DESC: LARGEST VEIN AND SECONDARY VEINS TREND NORTH WHILE OTHER IMPORTANT VEINS STRIKE EAST; ALL VEINS ARE NEARLY VERTICAL. ONE HEAVILY MINERALIZED ZONE ENCOUNTERED, 50 TO 60 FT THICK, 560 FT. FROM PORTAL.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1931 - 1942

Ownership information

  • Type Operator
    Owner Peterson, William F.

Comments on the production information

  • PURCHASED BY PETERSON IN 1931 AND OPERATED CONTINUOUSLY UNTIL 1942 WITH TOTAL GOLD OUTPUT APPROX.$250,000.PRODUCTION RESUMED IN 1948. IN 1952 THE OLD 200-FT. LEVEL WAS BEING REOPENED. ONLY A SMALL PRODUCTION HAS BEEN RECORDED SINCE 1948 SINCE MOST OF THE OPERATIONS HAVE BEEN DEVELOPMENT WORK. SELECTED ORE ASSAYS $40 TO $60 AND BETTER PER TON WHILE THE MILL RUN ORE ASSAYS ABOUT $30 PER TON . SOME PROD. IN 1954 BY OWL MNG. CO. PROBABLY THE WORKING SHOWN IN THE NE 1/4 OF THIS SEC. ON USGS QUAD. PINE GROVE, CALIF., 1949, IS THIS MINE

Comments on the workings information

  • 3 ADITS AT 65 , 200 , 270 FT. LEVELS; 2 LOWER ADITS CAVED, MINOR STOPING CONFINED TO UPPER ADIT.

Reference information

Bibliographic references

  • Deposit

    CARLSON, D.W. AND CLARK, W.B., 1954 , MINES AND MIN. RES. OF AMADOR COUNTY, CAL.: CJMG VOL. 50 , P. 189

  • Production

    CARLSON, D.W. AND CLARK, W.B.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-APR-1978 Tatkin, T.; Albers, J. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.