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  3. Mineral Resource Data System (MRDS)

Bay State

Past Producer in Amador 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. Economic information about the deposit and operations
  11. Land status
  12. Ownership information
  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 10028127
MRDS ID M004955
Record type Site
Current site name Bay State

Geographic coordinates

Geographic coordinates: -120.8438, 38.53768 (WGS84)
Relative position ABOUT 4 MILES N OF PLYMOUTH

Site location context

Political divisions (FIPS codes)

Amador(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fiddletown(quadrangle 1:24,000 scale)

Placerville(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Cosumnes(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 008N 010E 23 California

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • HIGH-GRADE SULFIDES ASSOCIATED WITH GOLD

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -120.8438, 38.53768
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: SEVERAL VEINS ON PROPERTY

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 Operator
    Owner California Lands Inc.
    Home office C/O Capital Co.

Comments on the production information

  • MINE OPENED IN EARLY 1890'S AND HAD REPORTED PRODUCTION 1892-1897 OF ABOUT $34,000. REOPENED IN 1899 AND FROM 1900-1905 PRODUCTION WAS SMALL AND IRREGULAR, ABOUT $24,000 IN ALL. LAST PRODUCTION IN 1909 BUT AMOUNT UNKNOWN SINCE IT WAS WORKED IN CONNECTION WITH THE AMADOR STAR (RHETTA). MINE UNWATERED IN 1934 AND WORK ON THE 300 LEVEL WAS DONE IN 1935. ON AN AGRICULTURAL PATENT. LIES NORTH OF THE AMADOR STAR

Workings at the site

  • Type of workings Underground
    Overall depth 304.8M

Comments on the workings information

  • 81 DEGREE INCLINED SHAFT 1,065 FT, LEVELS AT 300 , 400 , 500 , 600 , 750 , 830

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    LOGAN, C.A., 1934 , MOTHER LODE GOLD BELT OF CAL.: CMB BULL. 108 , P. 71 .

  • Deposit

    IRELAN, WM. JR., 1892 , ELEVENTH REPT. OF THE STATE MINERALOGIST: CMB REPT. 11 , P. 146

  • Deposit

    STORM, W.H., 1900 , MOTHER LODE REGION OF CAL.: CMB BULL. 18 , P. 85 - 86

  • Production

    LOGAN, C.A., 1934

General comments

Subject category Comment text
Deposit NO GEOLOGIC DESCRIPTION

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.

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.