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  3. Mineral Resource Data System (MRDS)

Pioneer

Past Producer in Amador county in California, United States with commodities Gold, Lead, Copper
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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. Economic information about the deposit and operations
  11. Land status
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10028141
MRDS ID M004972
Record type Site
Current site name Pioneer
Related records 10260365

Geographic coordinates

Geographic coordinates: -120.85158, 38.45712 (WGS84)
Elevation 335
Relative position 1 MILE S. OF PLYMOUTH ADJOINING THE NEW LONDON MINE.

Site location context

Political divisions (FIPS codes)

Amador(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Amador City(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 007N 010E 14 California

Commodities

Commodity Importance
Gold Primary
Lead Secondary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -120.85158, 38.45712
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: 2 QUARTZ VEINS; ONE MASSIVE QUARTZ ON HANGING WALL TO THE EAST; THE OTHER IS RICHER IN ORE, LIES TO THE WEST, AND IS BANDED; BOTH VEINS IN BLACK TUFFACEOUS SLATE.

Economic information about the deposit and operations

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

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Glen And Everett Fancher
    First year 1954

Comments on the production information

  • PRODUCED OVER $40,000 IN GOLD-SILVER BETWEEN 1895-1949; ALSO MINOR LEAD AND COPPER RECOVERED FROM CONCENTRATES SMELTED.CLAIM OF 20 ACRES

Comments on the workings information

  • 60 DEGREE INCLINED SHAFT 550 FT. WITH 5 LEVELS 100 FT. APART.

Reference information

Bibliographic references

  • Deposit

    LOGAN, C.A., 1934 , MOTHER LODE GOLD BELT OF CAL.: CDM BULL. 108 , P. 106

  • Deposit

    STORM, E.M., 1900 , THE MOTHER LODE REGION OF CAL.: CMB BULL 18 , P. 83 - 84

General comments

Subject category Comment text
Deposit NO OTHER INFORMATION

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.

External references

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.