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Mrs. Knight Prospect

Occurrence in Mendocino 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. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10033495
MRDS ID M020065
Record type Site
Current site name Mrs. Knight Prospect

Geographic coordinates

Geographic coordinates: -123.35443, 39.38375 (WGS84)
Elevation 564
Relative position 3 MI. S. W. OF WILLITS

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Willits(quadrangle 1:24,000 scale)

Ukiah(quadrangle 1:100,000 scale)

Ukiah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Eel(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Mendocino

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 018N;018N 013W;014W 30;25 California

Comments on the location information

  • UTM APPROX., LOCATED IN R 13 W OR R 14 W

Commodities

Commodity Importance
Manganese Critical Tertiary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore

Analytical data

Result AVERAGE 10 TO 20 PERCENT MANGANESE

Economic information

Ore body information

  • Width 0.91M

Comments on the geologic information

  • GEOL.DESC: SILICEOUS ORE IN MASSIVE WHITE CHERT CUT BY QUARTZ VEINLETS. ORE IS BLACK OXIDES, PYROLUSITE AND PSILOMELANE.

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. 126 - 127

  • Deposit

    D.O.M. BULL. 125 1943 P. 136

Reporter information

Type Date Name Affiliation Comment
Reporter 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.