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  3. Mineral Resource Data System (MRDS)

Sodak Mine

Past Producer in Beaverhead county in Montana, United States with commodity Manganese
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  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 10010807
MRDS ID D004790
Record type Site
Current site name Sodak Mine
Alternate or previous names Hogback Gp., Gob

Geographic coordinates

Geographic coordinates: -112.60005, 45.40157 (WGS84)
Elevation 1661
Relative position 13 AIR MILES NORTH OF DILLON

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Block Mountain(quadrangle 1:24,000 scale)

Dillon(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Hole(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Montana Beaverhead

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 005S 008W 16 Montana

Comments on the location information

  • CENTER OF SECTION 16

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Psilomelane Ore
Quartz Gangue

Alteration

  • (Local) Gouge, Kaolinization Of Dike

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Quadrant
    Rock description Quadrant

Nearby scientific data

(1) -112.60005, 45.40157
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Formations Trend N45e, 29nw, Dike Trends N15e, 88nw.

Ore body information

  • Length 60.96M
    Width 3.05M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Mccartney Mountain Area

Land status

Ownership category State

Ownership information

  • Type Operator
    Owner Sodak Uranium And Milling Co.
  • Type Owner
    Owner State Owned

Comments on development

  • ECON.COM: GEACH CONSIDERS NONE OF THE ORE DIRECT-SHIPPING QUALITY

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 85, P. 150

  • Deposit

    1972 COMPILE M.B.M.G. BULL. 8

General comments

Subject category Comment text
Deposit MN OXIDE FILLS FRACTURES IN QUARTZITE NEAR PHOSPHORIA FM. CONTACT, AND ON WEST SIDE OF A 15-FT. ALTERED DIKE.
Deposit MANGANESE ORE FROM THIS DEPOSIT WAS REPORTEDLY PROCESSED AT THE MINERALS ENG. CO. TUNGSTEN MILL AT GLEN IN 1958. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Loen, Jeffrey S. (Pearson, Robert C.) U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site