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Idaho Thorium Showing No. 3

Prospect in Lemhi county in Idaho, United States with commodities Thorium, REE
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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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10071968
MRDS ID W015761
MAS/MILS ID 0160590665
Record type Site
Current site name Idaho Thorium Showing No. 3
Alternate or previous names Lone Star No. 9

Geographic coordinates

Geographic coordinates: -113.5667, 45.0019 (WGS84)
Elevation 1768
Location accuracy 250(meters)
Relative position 10.5 MI NE OF LEMHI

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Goldstone Mountain(quadrangle 1:24,000 scale)

Salmon(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lemhi(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management ID)

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

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 019N 024E 02 Idaho

Comments on the location information

  • On W. side Pattee Creek about 1 mi above mouth of Poison Gulch; in small gulch opposite old ranch ; Info From Land.St :(1978)

Commodities

Commodity Importance
Thorium Tertiary
REE Critical Tertiary

Comments on the commodity information

  • The calcite-hematite vein part is strongly radioactive

Materials information

Materials Type of material
Monazite Ore
Thorite Ore
Barite Gangue
Biotite Gangue
Calcite Gangue
Feldspar Gangue
Magnetite Gangue
Quartz Gangue

Alteration

  • (Local) Bleaching

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Yellowjacket Formation
    Rock description Yellowjacket
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) Challis Volcanic Group.
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Strike N 60 W
    Dip 50 SW
    Thickness 0.61M
    Width 30.48M
  • General form IRREGULAR
    Dip 50 SW
  • General form IRREGULAR
    Dip 50 SW
  • General form IRREGULAR
    Dip 50 SW

Controls for ore emplacement

  • Fracture And Fissure Zone

Comments on the geologic information

  • Quartzitic rocks N of gulch strike N 20 Deg W, Dip 35 Deg SW, S. of gulch strike N 70 Deg W, dip 60 Deg NE

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name McDevitt District

Land status

Ownership category BLM Administrative Area

Reference information

Bibliographic references

  • Deposit

    Anderson, A. L., 1958, Uranium, Thorium, Columbium, And Rare Earth Deposits In The Salmon Region, Lemhi County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 115, 81 P

General comments

Subject category Comment text
Deposit Fracture zone in adit strikes N 70 Deg E, dips 45 Deg NW and contains another vein

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1974 Miller, Pat J. U.S. Geological Survey
Updater 01-MAR-1983 Loen, Jeffrey S. (Pearson, Robert C.) U.S. Geological Survey
Reporter 25-FEB-1991 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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

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