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Soapstone Claim

Occurrence in Calaveras county in California, United States with commodity Manganese
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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. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10029478
MRDS ID M007019
Record type Site
Current site name Soapstone Claim
Related records 10235197

Geographic coordinates

Geographic coordinates: -120.47462, 38.19685 (WGS84)
Relative position 1 MI. SW OF SHEEP RANCH; ON CREST OF A RIDGE, 0.2 MI. S OF ROAD LEADING SW FROM SHEEP RANCH TOWARD SAN ANDREAS. S1/2

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Murphys(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 004N 014E 18 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Materials information

Materials Type of material
Psilomelane Ore
Spessartite Ore

Analytical data

Result ASSAYS QUOTED AS 29 PERCENT MANGANESE AND 40 PERCENT SILICA.

Nearby scientific data

(1) -120.47462, 38.19685
ListMap

Economic information

Ore body information

  • Strike N 5 - 30 W
    Dip 60 - 70 E

Comments on the geologic information

  • GEOL.DESC: BED OF MASSIVE GRAY METACHERT CONTAINING POCKETS AND LENSES OF PARTLY OXIDIZED BROWN MANGANESE GARNET (SPESSARTITE); THE METACHERT IS 2-4.5' THICK AND IS EXPOSED ON THE SURFACE FOR A LENGTH OF 50'. GARNET OCCURS AS DODECAHEDRAL CRYSTALS WHICH ARE LIGHT BROWN WHEN FRESH; THEY PRODUCE A CRUMBLY, BROWNISH-BLACK, LOW -GRADE OXIDE ORE. ASSAYS QUOTED AS 29% MANGANESE AND 40% SILICA.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the workings information

  • ONLY DEVELOPMENT IS A PIT ABOUT 4' IN DIAMETER AND 6' DEEP.

Reference information

Bibliographic references

  • Deposit

    CALIF. B. 152, P. 46-47; B. 125, P. 107

  • Deposit

    EC. MINERAL MAP NO. 5, 1943

  • Deposit

    USBM R.I. 5579, P. 22

  • Deposit

    CALIF. COUNTY REPT. NO. 2 , P. 212 AND PL. D; USGS MR-23

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-APR-1977 Von Dohlen, E.; 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.