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Iron Mountain Iron Deposit

Occurrence in Jefferson county in Montana, United States with commodities Iron, Barium-Barite
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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. 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. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10094756
MRDS ID DB02132
Record type Site
Current site name Iron Mountain Iron Deposit

Geographic coordinates

Geographic coordinates: -112.38728, 46.30073 (WGS84)
Location accuracy 250(meters)
Relative position S SIDE OF S FORK RED ROCK CREEK

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Thunderbolt Creek(quadrangle 1:24,000 scale)

Butte North(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Boulder(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Beaverhead-Deerlodge National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Montana Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 006N 006W 05 Montana

Comments on the location information

  • TOP OF IRON MTN. ; INFO FROM LAND.ST :(1954)

Commodities

Commodity Importance
Iron Primary
Barium-Barite Critical Secondary

Materials information

Materials Type of material
Hematite Ore
Quartz Gangue
Barite Unknown

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Butte Quartz Monzonite (Boulder Batholith);Elkhorn Mountain Volcanics
    Rock description Butte Quartz Monzonite (Boulder Batholith);Elkhorn Mountain Volcanics
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff > Welded Tuff
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff > Welded Tuff

Nearby scientific data

(1) -112.38728, 46.30073
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Sheared Brecciated Zone Trends North, Dips Steeply East

Ore body information

  • Length 60.96M
    Width 15.24M

Controls for ore emplacement

  • Brecciated Zone

Comments on the geologic information

  • BARITE FILLS OPEN SPACES IN FISSURES. THE SHEARED AND BRECCIATED ZONE EXTENDS INTO THE BUTTE QUARTZ MONZONITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name West Basin Area

Land status

Ownership category National Forest

Comments on the production information

  • PRODUCTION HISTORY UNKNOWN

Workings at the site

  • Type of workings Underground
    Overall depth 9.14M

Comments on the workings information

  • 30 FT INCLINE, A CROSSCUT ADIT, DRIFTS, STOPE

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MOST INTENSE IRON MINERALIZATION IS ALONG SLICKEN SIDE SURFACE AS A 3 FOOT WIDE VEIN OF SILICEOUS HEMATITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-79 Elliott, James E. U.S. Geological Survey
Updater 01-DEC-81 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.

Maps centered on this site