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Mendocino Co. No.136

Past Producer in Mendocino county in California, United States with commodities Manganese, Silica
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Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
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. Ore body information
  10. Economic information about the deposit and operations
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10115980
MAS/MILS ID 0060450136
Record type Site
Current site name Mendocino Co. No.136

Geographic coordinates

Point of reference Trench
Geographic coordinates: -123.19049, 39.30957 (WGS84)
Elevation 420
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Redwood Valley(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)

Geographic areas

Country State County
United States California Mendocino

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 017 N 012 W 21 SESE California

Commodities

Commodity Importance
Manganese Critical Tertiary
Silica Tertiary

Materials information

Materials Type of material
Chert Unknown
Psilomelane Unknown
Pyrolusite Unknown

Nearby scientific data

Trench (1) -123.19049, 39.30957
ListMap

Economic information

Ore body information

  • Strike N70W
    Dip 40N
    Thickness 15M
    Length 150M
    Width 150M
    Depth to top 10M
    Field Value
    MAS Matrix # 1
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 UNKNOWN
    Type of Orebody #2 REPLACEMENT
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin OXIDATION
    Primary Ore Control UNKNOWN
    Degree of Wallrock Alter. NONE
    Strike And Dip N70W:40N
    Minimum Depth to Top 1
    Avg. Thick. Unconsol. Mat. 10
    Min. Thick. Unconsol. Mat. 1
    Date of Last Modification 830316
  • Area 10HA
    Field Value
    Total Surface Area (HA) 10
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Richard,Neil,Earl Wells
    Interest 100
    Home office California
    Year 1975

Reference information

General comments

Subject category Comment text
Deposit NO ORE IN PLACE-MAY BE BELOW CAVED FLOOR OF TRENCH-LOGRADE P

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Deino, Al U.S. Bureau of Mines

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.