Coloma Barite Mine

Past Producer in Missoula county in Montana, United States with commodity Barium-Barite
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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10019720
MRDS ID DC11222
Record type Site
Current site name Coloma Barite Mine

Geographic coordinates

Geographic coordinates: -113.39899, 46.83545 (WGS84)
Elevation 1731
Relative position 1 MILE SW OF COLOMA

Site location context

Political divisions (FIPS codes)

Missoula(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Union Peak(quadrangle 1:24,000 scale)

Missoula East(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Blackfoot(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management MT)

Bureau of Land Management MT BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Montana Missoula

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 013N 014W 32 CENTER OF S2 Montana

Comments on the location information

  • INFO FROM LAND.ST :(1965)

Commodities

Commodity Importance
Barium-Barite Critical Primary

Materials information

Materials Type of material
Barite Ore

Analytical data

Result 96.2% BARITE, 3.6% SILICA

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Missoula Group
    Rock description Missoula Group

Nearby scientific data

(1) -113.39899, 46.83545

Economic information

Geologic structures

Type of structure Regional
Structure description Bearmouth Overthrust
Type of structure Local
Structure description Garnet Stock

Ore body information

  • General form LENSES
    Strike N61W
    Dip 69NE
    Length 76.2M
    Width 6.1M

Controls for ore emplacement

  • Contact Of Quartzite And Granitic Intrusion.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1955
Discoverer William Dittrich
Year of first production 1956

Mining district

District name Coloma District

Land status

Ownership category State Forest

Ownership information

  • Type Operator
    Owner National Lead Co.

Comments on the production information

  • PRODUCING IN 1962

Comments on the workings information

  • BULLDOZER CUT

Reference information

Bibliographic references

  • Deposit

    MBMG INF CIR 22, P. 15-17

  • Deposit

    MBMG BULL 8, P. 43

  • Deposit

    MBMG BULL 33, P. 39

General comments

Subject category Comment text
Deposit 1 LARGE VEIN 12-15 FT WIDTH, 1 SMALLER VEIN SW SIDE LARGE VEIN, 2-3 FT IN WIDTH.BARITE VEIN LIES BETWEEN AND IN CONTACT WITH QUARTZITE AND GRANITIC ROCK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-MAR-1981 Wise, Kristine K. (Elliott, James E.) U.S. Geological Survey

Beyond USGS

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