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  3. Mineral Resource Data System (MRDS)

Cartwright Manganese Prospect

Occurrence in Lake 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. Land status
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10256712
MAS/MILS ID 0060330234
Record type Site
Current site name Cartwright Manganese Prospect

Geographic coordinates

Point of reference Trench
Geographic coordinates: -122.95609, 39.40407 (WGS84)
Elevation 610
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Lake(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lake Pillsbury(quadrangle 1:24,000 scale)

Lakeport(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)

Federal lands

Mendocino National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Lake

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 018 N 010 W 23 N2 California

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Chert Unknown

Nearby scientific data

Trench (1) -122.95609, 39.40407
ListMap

Economic information

Ore body information

  • Length 610M
    Depth to top 0M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Strike And Dip S75W:
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316

Comments on the geologic information

  • MANGANESE OXIDE OCCURS IN RED CHERT EXPOSED BY ROAD CUTS

Economic information about the deposit and operations

Operation type Surface
Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1955

Land status

Ownership category Private

Ownership information

  • Type Unknown
    Owner John M Cartwright

Reference information

Bibliographic references

  • Deposit

    MANY SMALL EXPOSURES OPENED BY ROAD CUT IN 1955

General comments

Subject category Comment text
Deposit EXCEPT FOR SHALLOW CUTS ON THE SLOPES OF ROAD CUTS NO WORK WAS DONE A GRAB SAMPLE IN SORTED ORE SHOWED: 41.6% MN, 20% SILICA, 1.4% FE. EXPOSURES DO NOT EXCEED 3 FEET IN DIAMETER IN THICKNESS AND NOT OVER 10 FEET LONG

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Benjamin U.S. Bureau of Mines

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.