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  3. Mineral Resource Data System (MRDS)

Pilot Knob Prospect

Occurrence in Imperial 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. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10033464
MRDS ID M020026
Record type Site
Current site name Pilot Knob Prospect
Alternate or previous names Lincoln, Well Earned
Related records 10285219

Geographic coordinates

Geographic coordinates: -114.97386, 33.12174 (WGS84)
Relative position 15 MI. N. E. OF GLAMIS., Unknown Accuracy

Site location context

Political divisions (FIPS codes)

Imperial(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ninemile Wash(quadrangle 1:24,000 scale)

Trigo Mountains(quadrangle 1:100,000 scale)

Salton Sea(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salton Sea(hydrologic accounting unit)

Southern Mojave-Salton Sea(hydrologic subregion)

California(hydrologic region)

Federal lands

USMC(Federal land areas administered by USMC)

Geographic areas

Country State County
United States California Imperial

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 012S 019E California

Comments on the location information

  • LOCATION APPROXIMATE

Commodities

Commodity Importance
Manganese Critical Tertiary

Analytical data

Result ORE GRADE REPORTED TO BE 35 TO 40 PERCENT MANGANESE, 14 PERCENT SILICA.

Nearby scientific data

(1) -114.97386, 33.12174
ListMap

Economic information

Ore body information

  • Thickness 6.1M
    Width 2.44M

Comments on the geologic information

  • GEOL.DESC: ORE HAS WIDTH (DEPTH?) OF 6 TO 8 FEET, AND AVERAGE THICKNESS OF 20 FEET.

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. 77

  • Deposit

    D.O.M. BULL. 125 1943 P. 119

General comments

Subject category Comment text
Deposit ORE HAS WIDTH (DEPTH?) OF 6 TO 8 FEET, AND AVERAGE THICKNESS OF 20 FEET.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-77 Killman, K.; Albers, J. U.S. Geological Survey REPLACING LOST LOCATION.
Updater 10-NOV-97 Oland, G. P. (Orris, Greta J.) U.S. Geological Survey OLAND AND ORRIS MERGED RECORDS
Editor 08-MAY-98 Mason, George 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.