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California Group

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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Land status
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10028162
MRDS ID M005000
Record type Site
Current site name California Group
Alternate or previous names Potosi
Related records 10284446

Geographic coordinates

Geographic coordinates: -120.8363, 38.45379 (WGS84)
Relative position NE 1/4 NE 1/4 23, NW 1/4 NW 1/4 24

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 23,24 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Nearby scientific data

(1) -120.8363, 38.45379
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Detert, W. F. (Estate)
    First year 1953

Comments on the production information

  • WORKED AS EARLY AS 1852-1867; IDLE IN 1876 IT WAS REPORTED CLAIM PRODUCED $82,000 NEAR THE SURFACE BUT THERE IS NO RECORD TO SUBSTANTIATE; WORKED IN 1880, 1884 AND THREE CRUSHINGS OF ORE WERE REPORTED TO AVERAGE $3.50 PER TON. CLAIM OF 10.81 ACRES AND IS ONE OF THE GROUP ACQUIRED BY W.F. DETERT

Comments on the workings information

  • A 200 FT. SHAFT, ADIT; PARTLY PROSPECTED BY THE POCOHANTAS SHAFT (SEC. 23)

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. 241

  • Deposit

    LOGAN, C.A., 1927 , AMADOR COUNTY: CMB REPT. 23 , P. 188

  • Deposit

    LOGAN, C.A., 1934 , MOTHER LODE BELT OF CAL.: C.D.M. BULL. 108 , P. 118 .

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.