Ohio Tungsten Mine

Past Producer in Boulder county in Colorado, United States with commodity Tungsten
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. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10009772
MRDS ID D002959
MAS/MILS ID 80130606
Record type Site
Current site name Ohio Tungsten Mine
Alternate or previous names Ohio

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.36042, 40.01029 (WGS84)
Location accuracy 500(meters)
Relative position Workings in NE4 of Sec. 32 shown on topo.

Site location context

Political divisions (FIPS codes)

Graham(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Boulder(quadrangle 1:24,000 scale)

Estes Park(quadrangle 1:100,000 scale)

Greeley(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Gila-San Carlos Reservoir(hydrologic unit)

Upper Gila(hydrologic accounting unit)

Upper Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Arapaho and Roosevelt National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Boulder

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 001N 071W 32 NE4 Colorado

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Ferberite Ore
Scheelite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

Main Entrance (1) -105.36042, 40.01029

Economic information

Economic information about the deposit and operations

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

Mining district

District name Boulder Tungsten

Ownership information

  • Type Owner
    Owner Vanadium Corp. of America
    Year 1953
    First year 1945
  • Type Operator
    Owner Cobb and Weldon
    Year 1960

Comments on the workings information

  • Glory hole, extensive underground stopes; lower tunnel with shaft connecting with glory hole. Many surface cuts and shafts (ColoMetalMining, 1960, p. 54).

Reference information

Bibliographic references

  • Deposit

    Tweto, 1940, Tungsten Deposits of Boulder county, colorado: USGS BULL 922-F. [Note that this mine is not shown or mentioned in this publication or plates. This is for overview only]

  • Deposit

    DMEA Docket DMA-0241. http://minerals.usgs.gov/dockets/scans/co/dma/0241_DMA.pdf

  • Deposit

    MINE MAP REPO[sitory] # 400036

  • Deposit

    Vanderwilt, 1947, Mineral Resources of Colorado.

  • Deposit

    BLM COLO CONNECTING SHEETS

  • Deposit

    CONSV. DIV. COMP. DATE, 1,62.

  • Deposit

    Colorado Metal Mining Fund Board, 1960, Tungsten Mines of Colorado.

  • Deposit

    Lovering and Tweto, 1953, USGS Prof. Paper 245.

General comments

Subject category Comment text
Deposit PRODUCTION 9,930 STU (ColoMetalMining, 1960,p. 54, reports "almost 10,000 units")

Reporter information

Type Date Name Affiliation Comment
Reporter 1977-11-01 Hasler, J. William U.S. Geological Survey
Editor 2014-01-14 Wilson, Anna B U.S. Geological Survey merged and deleted duplicate records
Reporter 1973-03-01 Conservation Division Files U.S. Geological Survey DC03724 = 10017536
Reporter 1983-11-17 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines MAS 0080130606 = 10304695

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Authoritative Colorado resources

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