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Long, Earl W. Woodman Station, Happy Four Last Chance

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. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10097030
MRDS ID M010080
Record type Site
Current site name Long, Earl W. Woodman Station, Happy Four Last Chance

Geographic coordinates

Geographic coordinates: -123.38083, 39.77319 (WGS84)
Elevation 549
Relative position 0.5 MI. E. OF WOODMAN STATION ON THE NORTHWESTERN PACIFIC RAILROAD.

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Iron Peak(quadrangle 1:24,000 scale)

Covelo(quadrangle 1:100,000 scale)

Ukiah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower 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 014W 12 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Materials information

Materials Type of material
Rhodochrosite Ore

Nearby scientific data

(1) -123.38083, 39.77319
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: BOULDERS OF BLACK OXIDE ORE IN PIT, PROBABLY IN PLACE. WELL BEDDED RED AND BROWN CHERT WITH SHALE PARTINGS IS EXPOSED. GREENSTONE IS ALSO EXPOSED IN THE AREA. ORE IN FLOAT IS HIGH GRADE BLACK OXIDE, AND SOME NEOTOCITE CUT BY RHODOCHROSITE VEINLETS.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Evan F. Rohrbough

Comments on the production information

  • NO PRODUCTION. IDLE. PROBABLY 5 OR 10 TONS OF ORE IN SIGHT; SOME IS HIGH-GRADE BLACK OXIDE ORE CONTAINING SMALL CORES AND PATCHES OF WHITE SILICA. A SAMPLE OF THE BLACK OXIDE ORE CONTAINED 56.3 PERCENT MANGANESE AND 9.2 PERCENT SILICA.

Comments on the workings information

  • OPEN CUTS.

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    D.O.M. BULL. 152, PP. 129-130

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.