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  3. Mineral Resource Data System (MRDS)

Thomas

Occurrence in Mendocino county in California, United States with commodity Copper
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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. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10031348
MRDS ID M010049
Record type Site
Current site name Thomas
Related records 10261311

Geographic coordinates

Geographic coordinates: -123.19916, 39.60736 (WGS84)

Site location context

Political divisions (FIPS codes)

Mendocino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Brushy Mountain(quadrangle 1:24,000 scale)

Covelo(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)

Geographic areas

Country State County
United States California Mendocino

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 020N 012W 09 California

Commodities

Commodity Importance
Copper Tertiary

Comments on the commodity information

  • SULFIDES OF COPPER AND IRON.

Nearby scientific data

(1) -123.19916, 39.60736
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Henshaw Investment Co.

Comments on the production information

  • IDLE.

Reference information

Bibliographic references

  • Deposit

    O'BRIEN, J.C., 1953 ; MINES AND MINERAL RESOURCES OF MENDOCINO COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 49 , NO. 4 ; DIV. OF MINES, P. 381

General comments

Subject category Comment text
Deposit NO VEIN FOUND

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-MAR-1979 Fraticelli, L. A. (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.