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

Red Cloud

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. Ore body information
  11. Economic information about the deposit and operations
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10095054
MRDS ID M005020
Record type Site
Current site name Red Cloud
Related records 10211606

Geographic coordinates

Geographic coordinates: -120.84241, 38.50379 (WGS84)
Relative position ABOUT 2 1/2 NE 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 35 California

Comments on the location information

  • SW 1/4 OF NE 1/4 SEC 35

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • QUARTZ CARRIES MINOR SULFIDES WITH SOME FREE GOLD.

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

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) -120.84241, 38.50379
ListMap

Economic information

Ore body information

  • General form TABULAR
    Strike N 13 W
    Dip 65 E
    Thickness 6.1M
    Width 60.96M
    Depth to top 0M

Comments on the geologic information

  • GEOL.DESC: GREENSTONE FOOTWALL, SLATE HANGING WALL; QUARTZ VEIN AVERAGES 5 TO 6 FT. IN THICKNESS AND IN ONE PLACE WIDENS TO 20 FT.; THE VEIN CONSISTS OF TWO STRATA SEPARATED BY THIN SEAMS OF GOUGE AND SLATE. VEIN OCCURS AT 2 EXPOSURES ON THE SURFACE DUE TO REPETITION CAUSED BY FAULTING.

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 K. Pierovich

Comments on the workings information

  • INCLINED SHAFT 365 FT. ON VEIN

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. 257

  • Deposit

    IRELAN, WM. JR., 1890 , TENTH REPT. OF THE STATE MINERALOGIST: CMB REPT. 10 , P. 119 - 120

  • Deposit

    STORM, E.M., 1900 , THE MOTHER LODE REGION OF CAL.: CMB BULL 18 , P. 85

  • Deposit

    TUCKER, W.B., 1914 , AMADOR COUNTY: CMB REPT. 14 , P. 45

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.