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Lone Tree

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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10031312
MRDS ID M009994
Record type Site
Current site name Lone Tree
Related records 10286234

Geographic coordinates

Geographic coordinates: -123.09359, 39.05709 (WGS84)

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Purdys Gardens(quadrangle 1:24,000 scale)

Ukiah(quadrangle 1:100,000 scale)

Ukiah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Russian(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Mendocino

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 014N 011W 20 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Analytical data

Result AVERAGE GRADE 25 PERCENT MANGANESE, 30 PERCENT SILICA.

Nearby scientific data

(1) -123.09359, 39.05709
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: ORE OCCURS AS FLOAT IN AREA UNDERLAIN BY THIN BEDDED RADIOLARIAN CHERT. ORE IS MOSTLY SOFT BLACK SILICEOUS IRON STAINED OXIDES. SOME CHERT BLOCKS ARE EMBEDDED IN SOFT MANGANESE OXIDE. CHERT FLOAT IS HEAVILY STAINED WITH MANGANESE OXIDE. FLOAT ORE IS BRECCIATED.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner W. S. Graham

Comments on the production information

  • NO PRODUCTION. IDLE. THERE ARE ABOUT 3 TONS OF FLOAT AVERAGING ABOUT 25 PERCENT MANGANESE AND 30 PERCENT SILICA.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOURNAL OF MINES & GEOLOGY, V. 49, NO. 4 OCT., 1953, P. 388

  • Deposit

    D.O.M. BULL. 152, PP. 128-9.

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.