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Leep

Prospect 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. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10097031
MRDS ID M010086
Record type Site
Current site name Leep

Geographic coordinates

Geographic coordinates: -123.50305, 39.77792 (WGS84)
Relative position 20 MI. FROM LONGVALE BY ROAD

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tan Oak Park(quadrangle 1:24,000 scale)

Covelo(quadrangle 1:100,000 scale)

Ukiah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork 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 022N 015W 11 California

Comments on the location information

  • N. PART OF SECTION 11

Commodities

Commodity Importance
Manganese Critical Tertiary

Materials information

Materials Type of material
Psilomelane Ore

Analytical data

Result ORE GRADE 9 TO 11 PERCENT MANGANESE, 20 TO 32 PERCENT SILICA, 43 TO 53 PERCENT IRON OXIDE.

Nearby scientific data

(1) -123.50305, 39.77792
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: MANGANESE OCCURS IN ASSOCIATION WITH IRON IN SCHIST. LAYERS OF SPECULAR HEMATITE IN THE SCHIST ARE ORIENTED PARALLEL TO SCHISTOSITY. SOME SMALL BODIES OF NEARLY PURE PSILOMELANE ARE PRESENT.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    CALIFORNIA JOURNAL OF MINES & GEOLOGY, V 49, NO. 4 OCT., 1953, P. 387

  • Deposit

    D.O.M. BULL. 152, P. 127

  • Deposit

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

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.