Evans Manganese Prospect

Occurrence in Monterey county in California, United States with commodity Manganese
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. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10033498
MRDS ID M020069
Record type Site
Current site name Evans Manganese Prospect

Geographic coordinates

Geographic coordinates: -121.27518, 36.82937 (WGS84)
Elevation 518
Relative position N. SLOPE OF DEVIL'S CANYON, 3/4 MI. E. OF ITS CONFLUENCE WITH THE N. FORK OF THE SAN CARPOJORO CREEK.

Site location context

Political divisions (FIPS codes)

San Benito(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tres Pinos(quadrangle 1:24,000 scale)

Monterey(quadrangle 1:100,000 scale)

Monterey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Pajaro(hydrologic unit)

Central California Coastal(hydrologic accounting unit)

Central California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Monterey

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 024S 006E 24 California

Comments on the location information

  • LOCATED IN SW 1/4 SECTION 24; LATITUDE-LONGITUDE VALUES CALCULATED FROM TOWNSHIP, RANGE, SECTION.

Commodities

Commodity Importance
Manganese Critical Tertiary

Materials information

Materials Type of material
Rhodochrosite Ore

Analytical data

Result ORE GRADE 40 PERCENT MANGANESE

Nearby scientific data

(1) -121.27518, 36.82937

Economic information

Ore body information

  • Strike N 70 W
    Dip 65 N
    Length 9.14M
    Width 1.52M

Comments on the geologic information

  • GEOL.DESC: MANGANESE ORE BED WITHIN CHERT, STRIKING N 70 W, AND DIPPING 65 N. ORE IS A COMPLETELY OXIDIZED MIXTURE OF BLACK OXIDE AND SILICA. BROWN CHERT LAYERS CARRY SPHERULES OF RHODOCHROSITE.

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 PP. 153 - 154

  • Deposit

    D.O.M. BULL. 125 1943 PP. 81 , 144

General comments

Subject category Comment text
Deposit MANGANESE ORE BED WITHIN CHERT, STRIKING N 70 W, AND DIPPING 65 N. ORE IS A COMPLETELY OXIDIZED MIXTURE OF BLACK OXIDE AND SILICA. BROWN CHERT LAYERS CARRY SPHERULES OF RHODOCHROSITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1977 Killman, K.; Albers, J. U.S. Geological Survey REPLACING LOST LOCATION
Updater 10-NOV-1997 Oland, G. P. (Orris, Greta J.) U.S. Geological Survey OLAND AND ORRIS MERGED RECORDS
Editor 08-MAY-1998 Mason, George U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.