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  3. Mineral Resource Data System (MRDS)

Last Chance and Great Divide

Past Producer in Calaveras 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. Ore body information
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10029026
MRDS ID M006357
Record type Site
Current site name Last Chance and Great Divide

Geographic coordinates

Geographic coordinates: -120.50044, 38.13908 (WGS84)
Elevation 732
Relative position 2 1/2 MI W. OF MURPHYS, ON RIDGE BTWN. ANGELS AND SAN DOMINGO CREEK

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Calaveritas(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Calaveras(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003N 013E 01 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist

Nearby scientific data

(1) -120.50044, 38.13908
ListMap

Economic information

Ore body information

  • Strike W
    Dip N
    Depth to top 0M

Economic information about the deposit and operations

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

Comments on the production information

  • NO PRODUCTION RECORD FOUND ACTIVE PRIOR 1914 , 1935 - 1938 , PROSPECTED 1956OLD WORKINGS CLEANED OUT AND 26 TONS OF ORE FROM OLD DUMPS TREATED AT MILL.

Comments on the workings information

  • DEVELOPED BY 100 FT SHAFT ON LAST CHANCE AND 25 AND 50-FT SHAFTS ON GREAT DIVIDE.

Reference information

Bibliographic references

  • Deposit

    CLARK, W.B., LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.; COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P 36 , 156 , 162 AND PLB

  • Deposit

    LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS CO.: CDM CALIF. JOUR. MINES & GEOL., VOL. 32 , NO. 3 , P. 267 - 8 AND PLB

  • Deposit

    ERIC,J.H., STROMQUIST,A.A.,& SWINNY, C.M.,1955, GEOLOGY OF THE ANGELS CAMP AND SONORA QUADS., CALAVERAS & TUOLOMNE COUNTIES.: CALIF. DIV. MINES & GEOLOGY SPECIAL REPORT 41, P.20.

General comments

Subject category Comment text
Deposit VEINS, TWO PARALLEL VEINS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Mateik, R.; Albers, John P. 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.