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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Last Chance

Occurrence 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 10028118
MRDS ID M004937
Record type Site
Current site name Last Chance
Related records 10163053

Geographic coordinates

Geographic coordinates: -120.82491, 38.42379 (WGS84)
Relative position NW 1/4 NE 1/4

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 007 010E 36 California

Commodities

Commodity Importance
Gold Primary

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) -120.82491, 38.42379
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: CLAIM ENTIRELY IN SLATE WHERE WELL DEFINED QUARTZ VEIN OR LEDGE DISCOVERED DOWN TO 240 FT.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner J. W. Bullock
    Home office C/O C. E. Crandall

Comments on the production information

  • ONE OF THE CLAIMS CONSOLIDATED WITH THE ORIGINAL AMADOR

Workings at the site

  • Type of workings Underground
    Overall depth 73.15M

Comments on the workings information

  • SHAFT 240 FT ( 1890 ).

Reference information

Bibliographic references

  • Deposit

    CARLSON, D.W., AND CLARK, W.B., 1954 , MINES AND MIN. RES. OF AMADOR COUNTY: CJMG REPT 50 , P 238 .

  • Deposit

    IRELAN, WM. JR., 1890 , TENTH REPT. OF THE STATE MINERALOGIST: CMB REPT. 10 , P. 115

  • Deposit

    USGS FOLIO 63, CLAIM SHEET 1, SEC. 1

General comments

Subject category Comment text
Deposit THIS CLAIM ADJOINING ECLIPSE MINE ON THE NORTH.

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.