Shenandoah Mine

Past Producer in Calaveras county in California, United States with commodity Gold
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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10028933
MRDS ID M006204
Record type Site
Current site name Shenandoah Mine
Alternate or previous names Way, Hoosier, Mary Lory
Related records 10187427

Geographic coordinates

Geographic coordinates: -120.61212, 38.27158 (WGS84)
Elevation 762
Relative position 5 1/2 MI. ESE OF MOKELUMNE HILL

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rail Road Flat(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)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 005N 012E 23,24 California

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • BEST PORTION OF MINE IS AT NORTH END

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -120.61212, 38.27158

Economic information

Ore body information

  • Strike N 70 E
    Dip 75 E
    Thickness 1.52M

Comments on the geologic information

  • 2 - 5 FT THICK VEIN OF WHITE QTZ IN HYDRO-MICA SCHIST & QUARTZITE E OF WHICH IS AMPHIBOLITE SCHIST & DIORITE. SYSTEM OF FISSURES IN OLD LOWER WORKINGS STRIKE N 20 E, DIP 60 W. CENTRAL PORTION OF VEIN EXTENDS OVER 2 SPURS OF MAIN RIDGE. HAS BEEN BENT TO EAST BY WEIGHT OF MOUNTAIN - RESULTING IN FAULTING OF VEIN, 40 FT TO NW, FROM TORSION OF ROCKS.

Economic information about the deposit and operations

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

Comments on the production information

  • A SMALL AMOUNT OF AU WAS PRODUCED IN 1916.

Workings at the site

  • Type of workings Underground
    Area 25.496HA

Comments on the workings information

  • SEVERAL OLD TUNNELS, TO 1630 FT IN LENGTH, AND 500 FT SHAFT.

Reference information

Bibliographic references

  • Deposit

    CLARK, W. B., & LYDON, P. A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.: CALIF. DIV. MINES & GEOL., COUNTY REPORT 2 , P. 180 & PL B

  • Deposit

    LOGAN, C. A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS CO.: CDM CALIF. JOUR. MINES & GEOL., VOL. 32 , NO. 3 , P. 289 & 319

  • Deposit

    TUCKER, W. B., 1916 , CALAVERAS COUNTY: CALIF. JOUR. MINES & GEOL., 14TH REPORT STATE MINERALOGIST, P. 105 - 106

  • Deposit

    CRAWFORD, J. J., 1894 , 12TH REPORT OF STATE MINERALOGIST: CALIF. JOUR. MINES & GEOL., P. 96 - 97

  • Production

    CLARK 1962

General comments

Subject category Comment text
Deposit VEIN
Deposit CONSISTS OF 3 CLAIMS ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Hayden, F. (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.