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Kelley Prospect

Occurrence in Santa Clara 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 10033593
MRDS ID M020194
Record type Site
Current site name Kelley Prospect

Geographic coordinates

Geographic coordinates: -121.48824, 37.42825 (WGS84)
Elevation 981
Relative position 31 MI. FROM LIVERMORE, 0.3 MI. E. OF A BRANCH ROAD THAT RUNS UP COLORADO CREEK TO THE NEWHALL MINE.

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 Santa Clara

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006S 004E 12 California

Comments on the location information

  • LOCATED IN NW 1/4 SECTION 12

Commodities

Commodity Importance
Manganese Critical Tertiary

Analytical data

Result ORE GRADE 20 TO 35 PERCENT MANGANESE, OVER 25 PERCENT SILICA, 5 TO 15 PERCENT IRON.

Nearby scientific data

(1) -121.48824, 37.42825
ListMap

Economic information

Ore body information

  • Thickness 1.07M

Comments on the geologic information

  • GEOL.DESC: MASSIVE, SILICEOUS ORE BODY IS ENCLOSED WITHIN WELL-BEDDED, RED TO SALMON COLORED, RADIOLARIAN CHERT AND SHALE. BEDS STRIKE APPROXIMATELY E., AND DIP 85 N. ORE BODY PINCHES AND SWELLS FROM 1 TO 3.5 FT. THICK. SOME SMALL SPHERULES OF MANGANESE CARBONATE EMBEDDED IN A MATRIX OF CHALCEDONIC SILICA ARE PRESENT.

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. 234

  • Deposit

    D.O.M. BULL. 125 1943 P. 178

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.