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Lookout No. 3 Claim

Occurrence in Beaverhead county in Montana, United States with commodities Thorium, Uranium
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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. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10019243
MRDS ID DC09141
Record type Site
Current site name Lookout No. 3 Claim
Related records 10269576

Geographic coordinates

Geographic coordinates: -112.94644, 44.89101 (WGS84)
Elevation 2621
Relative position 8 MILES SW OF ARMSTEAD

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Garfield Canyon(quadrangle 1:24,000 scale)

Lima(quadrangle 1:100,000 scale)

Dubois(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Red Rock(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Beaverhead

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 011S 011W 09 Montana

Comments on the location information

  • LOCATED AT WEST END OF LIMEKILN CANYON

Commodities

Commodity Importance
Thorium Primary
Uranium Secondary

Materials information

Materials Type of material
Thorite Ore
Calcite Gangue
Chalcopyrite Gangue
Pyrite Gangue

Analytical data

Result GRAB SAMPLE INDICATES .24 % THO2 (THORIA)

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -112.94644, 44.89101
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation Of Diorite Strieks N 60 E And Dips 80 Ne

Ore body information

  • General form LENTICULAR
    Thickness 3.05M
    Length 12.19M

Controls for ore emplacement

  • Vein Strikes Parallel To The Foliation Of The Diorite

Comments on the geologic information

  • GEOL.DESC: SMALL LENTICULAR CALCITE VEIN WITH TINY CRYSTALS OF PYRITE AND CHALCOPYRITE, AND .006% U, .24% TH, 2.71% RARE EARTHS.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Deer Creek District

Ownership information

  • Type Owner
    Owner R. H. Underwood ( 1953 )

Comments on the workings information

  • ONE SHALLOW PIT

Reference information

Bibliographic references

  • Deposit

    SAHINEN, UM, 1955, MONT. B.M. AND GEOL. INF. CIRC. 6, P. 8.

  • Deposit

    TRITES AND TOOKER, 1953, USGS BULL. 988-H, P. 188.

  • Deposit

    GEACH, R. D., 1972 , MINES AND MINERAL DEPOSITS, BEAUERHEAD CO., MONT., MONT. BUR. OF MINES AND GEOLOGY, BULL 85 .

  • Deposit

    CONSV. DIV. COMP. DATE, 02-07-1963

  • Deposit

    1953 GEOLMAP TRITES A. F., TOOKER E. W., BULL 988-H

  • Deposit

    1972 GEOLMAP GEACH R. D., MINES AND MINERALS, MONT.

General comments

Subject category Comment text
Deposit ONE SMALL PIT ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-DEC-1979 Doyle, Brien (Wells, John) U.S. Geological Survey

Beyond USGS

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

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