Two Trees

Occurrence in Mendocino county in California, United States with commodity Manganese
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. Land status
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10031302
MRDS ID M009977
Record type Site
Current site name Two Trees
Related records 10139935

Geographic coordinates

Geographic coordinates: -122.9911, 39.89486 (WGS84)
Relative position 1 1/4 MI. E. OF N. FORK OF MIDDLE FORK OF EEL RIVER, BETWEEN HOWARD AND FLY CREEKS.

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Buck Rock(quadrangle 1:24,000 scale)

Willows(quadrangle 1:100,000 scale)

Ukiah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Fork 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 Mendocino

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 024N 010W 32 California

Comments on the location information

  • LOCATED IN NW 1/4 SECTION 32

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore
Rhodochrosite Ore

Nearby scientific data

(1) -122.9911, 39.89486

Economic information

Comments on the geologic information

  • GEOL.DESC: ORE OCCURS AS LANDSLIDE FLOAT AND CONSISTS OF PSILOMELANE, PYROLUSITE AND BROWN CARBONATE. BLOCKS OF MANGANESE BEARING CHERT CONTAIN NUMEROUS SPHERULES OF MANGANESE CARBONATE AND SHELLS OF OXIDE. LAYER OF BROWN CARBONATE ORE FOUND WITHIN CHERT BLOCK, CUT BY VEINS OF RHODOCHROSITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Land status

Ownership category National Forest

Comments on the production information

  • NO PRODUCTION. IDLE. ORE IS OF FAIR QUALITY.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOLOGY, V. 49, NO. 4, OCT. 1953, P. 391

  • Deposit

    D.O.M. BULL. 152 1950 PP. 145 - 146

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.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.