Plymouth Consolidated

Past Producer in Amador county in California, United States with commodities Gold, Copper
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 10028108
MRDS ID M004923
Record type Site
Current site name Plymouth Consolidated
Alternate or previous names Indiana, New London, Rising Star.
Related records 10235201

Geographic coordinates

Geographic coordinates: -120.84435, 38.47518 (WGS84)
Elevation 320
Relative position WITHIN THE CITY LIMITS OF PLYMOUTH

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 11 California

Commodities

Commodity Importance
Gold Primary
Copper Secondary

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

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

Nearby scientific data

(1) -120.84435, 38.47518

Economic information

Ore body information

  • Strike N
    Dip 65 E

Comments on the geologic information

  • GEOL.DESC: THREE PARALLEL VEIN SYSTEMS; SLATE ON BOTH WALLS USUALLY ACCOMPANIED BY BLACK GOUGE. PRINCIPAL MINE CONSISTS OF A LARGE CHIMNEY OF RIBBON QUARTZ 30 TO 50 FT. THICK AND 350 TO 400 FT. LONG.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Discovery year 1852

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner B. Monte Verda And E. C. Taylor
    First year 1953

Comments on the production information

  • CLAIMS ORIGINALLY LOCATED IN 1852 AND WORKED SEPARATELY UNTIL CONSOLIDATION IN 1883 UNDER NAME OF PLYMOUTH CONS. MNG. CO. MINE IDLE 1892-1911. LITTLE WORK BETWEEN 1928-1939 EXCEPT THE TREATMENT OF THE TAILINGS AND SOME EXPLORATION, THE LATTER SHUT DOWN IN 1943. THE EMPIRE WORKINGS REOPENED IN 1946 BUT CEASED WORK IN EARLY 1947. TOTAL PRODUCTION IS ESTIMATED IN EXCESS OF $13,500,000. THE EMPIRE AND PACIFIC LOCATIONS ARE SHOWN ON USGS QUAD. SUTTER CREEK, CALIF. 1957, 1962. THE 1957 ED. ALSO SHOWS A DREDGED AREA E & S OF THE PACIFIC SHAFT

Workings at the site

  • Type of workings Underground
    Area 50.992HA

Comments on the workings information

  • 4 SHAFTS ON VEIN

Reference information

Bibliographic references

  • Deposit

    CARLSON, D.W. AND CLARK, W.B., 1954 , MINES AND MIN. RES. OF AMADOR COUNTY: CJMG VOL. 50 , P. 190 - 192

  • Deposit

    IRELAND, WM. JR., 1888 , EIGTH REPT. OF THE STATE MINERALOGIST: CMB REPT. 8 , P. 42 - 49

  • Production

    CARLSON, D.W. AND CLARK, W.B., 1954

General comments

Subject category Comment text
Deposit PRODUCTION OF COPPER LESS THAN 100,000 LBS. - DOM BULL. 144, P. 216. THE HOLDINGS INCLUDE THE SOUTHERLAND, OAKS AND PACIFIC, SIMPSON AND ADEN, REESE, PHOENIX EAST, PLYMOUTH, PHOENIX MILL SITE, REESE AND WOOLFORD, FRACTIONS OF THE INDIANA, RISING STAR, CONVILLE AND LODE CLAIM 5181, THE BETA CLAIM AND 22.77 ACRES OF OTHER LAND, A TOTAL OF 126.3 ACRES ALL IN SEC. 11. MOST OF THE ORE WAS PRODUCED UNDER THE SIMPSON AND ADEN AND OAKS CLAIMS THIS IS THE MOST NORTHERLY MAJOR GOLD MINE ON THE MOTHER LODE.

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.