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Pescia Prospect

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. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10029474
MRDS ID M007012
Record type Site
Current site name Pescia Prospect
Related records 10235237

Geographic coordinates

Geographic coordinates: -120.43572, 38.21158 (WGS84)
Relative position ON S SIDE OF SAN ANTONIO CREEK AND ABOUT 250' ABOVE THE CREEK; 6 MI. N OF MURPHYS.

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 09 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Materials information

Materials Type of material
Rhodonite Ore
Spessartite Ore

Nearby scientific data

(1) -120.43572, 38.21158
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: SEVERAL STUBBY LENSES OF MANGANESE-BEARING METACHERT OCCUR IN THINBEDDED QUARTZ-SERICITE SCHIST. SMALL LENSES OF PARTLY OXIDIZED QUARTZ-MANGANESE-GARNET ROCK LIE WITHIN THE LARGER LENSES OF METACHERT. NO GOOD OXIDE ORE DEVELOPED. PROSPECT HAS NO ECONOMIC VALUE AS A PRESENT SOURCE OF MANGANESE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    CALIF. B. 152, P. 46; 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

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-DEC-1977 Killman, K.; 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.