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  3. Mineral Resource Data System (MRDS)

Park Group

Occurrence in Stanislaus 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. Nearby scientific data
  8. Ore body information
  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 10095204
MRDS ID M020277
Record type Site
Current site name Park Group
Related records 10287180

Geographic coordinates

Geographic coordinates: -121.43019, 37.39325 (WGS84)
Relative position E. OF THE ROAD AT THE SADDLE ON THE MAIN DIVIDE.

Site location context

Political divisions (FIPS codes)

Santa Clara(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Boardman(quadrangle 1:24,000 scale)

San Jose(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Francisco Bay(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Stanislaus

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006S 005E 21 California

Comments on the location information

  • LOCATED IN SE 1/4 SECTION 21 , 3 DEPOSITS ARE CALLED THE N., W. AND E. ORE BODIES.

Commodities

Commodity Importance
Manganese Critical Tertiary

Analytical data

Result ORE GRADE 15 TO 30 PERCENT MANGANESE

Nearby scientific data

(1) Franciscan melange
ListMap

Economic information

Ore body information

  • Width 3.35M

Comments on the geologic information

  • GEOL.DESC: ORE CONSISTS OF LOW GRADE MANGANESE OXIDE IN WHITE CHERT. N. ORE BODY IS LARGEST, AVERAGE WIDTH IS 8 FT., AND THE MAXIMUM 11 FT. BED STRIKES E., AND DIPS 70 S AT E. END AND 40 S. AT W. END. HANGING WALL IS MASSIVE WHITE CHERT, AND FOOTWALL IS THIN-BEDDED BUFF CHERT. W. ORE BODY IS 50 FT LONG, WITH AVERAGE WIDTH OF 3 FT, AND MAXIMUM OF 5 FT. STRIKE IS N 60 E, DIPPING 60 TO 70 S. E. THE BED IS SLIGHTLY FOLDED. E. DEPOSIT IS BROKEN BY SMALL FAULTS, WITH MAXIMUM WIDTH OF 5 FT.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 P. 296

  • Deposit

    D.O.M. BULL. 125 1943 P. 192

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1978 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.