Beaverhead

Occurrence in Beaverhead county in Montana, United States with commodities Thorium, Uranium
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. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10019247
MRDS ID DC09160
Record type Site
Current site name Beaverhead
Alternate or previous names Lucky Strike No. 1 Mine Staatz Loc. No. 64
Related records 10220948, 10293642

Geographic coordinates

Geographic coordinates: -113.43979, 44.94961 (WGS84)
Elevation 2332

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lemhi Pass(quadrangle 1:24,000 scale)

Leadore(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)

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 010S 015W 20 SW Montana

Comments on the location information

  • ON THE CONTINENTAL DIVIDE, 1000 FT NORTH OF NO. FRYING PAN CREEK

Commodities

Commodity Importance
Thorium Primary
Uranium Secondary

Materials information

Materials Type of material
Thorite Ore
Goethite Gangue
Hematite Gangue
Specularite Gangue

Alteration

  • (Local) Host Rock Is Silicified To Quartzose

Analytical data

Result THORIA CONTENT IS AVERAGING .25 PERCENT ( STAATZ, 1972

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -113.43979, 44.94961

Economic information

Geologic structures

Type of structure Local
Structure description Silicified Rock Is Fractured And Minutelt Veined With Specularite

Ore body information

  • General form LENS - ZONE
    Strike N 70 E
    Dip 60 S
    Thickness 30.48M
    Length 213.36M

Controls for ore emplacement

  • Much Of The Zone Is Shear Fractured

Comments on the geologic information

  • GEOL.DESC: RADIOACTIVE MINERAL THOUGHT TO BE FLUORITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Lemhi Pass

Ownership information

  • Type Owner
    Owner R. G. Denny
    Home office Salmon, Id.

Comments on the workings information

  • 2 SMALL PROSPECT PITS

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    TRITES AND TOOKER, 1953 , URANIUM AND THORIUM DEPOSITS IN EAST-CENTRAL IDAHO AND SOUTHWESTERN MONTANA, USGS BULL 988-H.

  • Deposit

    SHARP, W. N., AND CAVENDER, W. S., 1962 , GEOLOGY AND THORIUM-BEARING DEPOSITS OF THE LEMHI PASS AREA, LEMHI CO., IDA AND BEAVERHEAD, MONT. USGS BULL 1126 .

  • Deposit

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

  • Deposit

    5) STAATZ, M. H., 1972 , GEOLOGY AND DESCRIPTION OF THE THORIUM BEARING VEIN, LEMHI PASS QUADRANGLE, IDAHO AND MONTANA, USGS BULL 1351 .

  • Deposit

    1953 GEOLMAP TRITES AND TOOKER USGS BULL 988-H

  • Deposit

    1962 GEOLMAP SHARP AND CAUENDER, USGS BULL 1126

  • Deposit

    1972 GEOLMAP GEACH, MONT. BUR OF M. & G. BULL 85

  • Deposit

    1972 GEOLMAP STAATZ, M. H., USGS BULL 1351

General comments

Subject category Comment text
Deposit VEINS ARE MORE LIKE ZONES

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.