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

Kelm Prospect

Prospect in Mariposa county in California, United States with commodity Manganese
Map
XML
JSON
KML
C
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. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10097026
MRDS ID M009340
Record type Site
Current site name Kelm Prospect

Geographic coordinates

Geographic coordinates: -120.25405, 37.65936 (WGS84)
Relative position S1/2. AT JASPER POINT 100 YDS. SOUTH OF THE OLD YOSEMITE RAILROAD BED.

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Penon Blanco Peak(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Merced(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003S 016E 19 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore

Nearby scientific data

(1) -120.25405, 37.65936
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: ORE IS A BED OR SERIES OF LENSES ENCLOSED IN THICK BEDDED RED CHERT, AND INTERCALATED WITH GREEN METATUFF AND METAVOLCANICS. THE CHERT OF THE AMADOR GROUP IS UNDERLAIN BY GREENSTONE OR PILLOW BASALT. ORE CONSISTS OF BOTRYOIDAL PSILOMELANE AND SOOTY PYROLUSITE. BEDS ARE CUT BY SMALL TRANSVERSE FAULTS.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Herbert J. Kelm And Allebrand Minerals Co.

Comments on the production information

  • NO RECORD OF PRODUCTION AND THE PROPERTY IS IDLE. TUNNEL ON TOPO MAP MAY BE THIS PROSPECT.

Comments on the workings information

  • A 30-FT. TUNNEL.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 53, NOS. 1 & 2, JAN. -APRIL, 1957, P. 325

  • Deposit

    D.O.M. BULL. 152, 1950, P. 109-110

General comments

Subject category Comment text
Deposit ORE ZONE AVERAGES ABOUT 6 FT. WIDTH. INDIVIDUAL LENSES CONTAIN ORE BETWEEN 45 AND 50 PERCENT MN. ONE ORE BODY IS 35 FT. LONG. THERE IS A SECOND ORE ZONE 50 TO 100 FT. ABOVE THE QUARRY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 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.