Little Dandy No. 5 Deposit

Occurrence in Lemhi county in Idaho, United States with commodities Thorium, Fluorine-Fluorite
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. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10096396
MRDS ID W015744
MAS/MILS ID 0160590779
Record type Site
Current site name Little Dandy No. 5 Deposit
Alternate or previous names Lucky R

Geographic coordinates

Geographic coordinates: -113.4665, 44.94769 (WGS84)
Elevation 2316
Relative position 10 MI NE OF LEMHI

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)

Lemhi(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(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 Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 019N 025E 26, 27 NWSWNW (26) Idaho

Comments on the location information

  • Adjoins Wonder No. 18 Claim On The S

Commodities

Commodity Importance
Thorium Primary
Fluorine-Fluorite Critical Tertiary

Comments on the commodity information

  • Locally High Radioactivity Where Vein Shows Yellowish Oxidation Products.

Materials information

Materials Type of material
Fluorite Ore
Thorite Ore
Iron Gangue
Muscovite Gangue
Pyrite Gangue
Quartz Gangue
Specularite Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result 0.047% TH

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock type qualifier Impure Quartzite
    Rock unit name Belt Supergroup
    Rock description Belt Supergroup-Impure Quartzite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) Challis Volcanic Group.

Economic information

Ore body information

  • General form SPOTTY DISTRIBUTION
    Width 0.3M

Controls for ore emplacement

  • Fracture Zone

Comments on the geologic information

  • Original alteration entry:
    Local - Oxidation
  • Original ore control entry:
    Fracture Zone

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No
Discovery year 1955
Discoverer J. Thompson, C. Wells, J. Schenk

Mining district

District name Mcdevitt District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner D. B. Lewis

Comments on development

  • 5 Claims On Idaho Side Of The Continental Divide

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.

  • Deposit

    Staatz, M. H., 1972, Geology And Description Of The Thorium-Bearing Veins, Lemhi Pass Quadrangle, Idaho-Montana: USGS Bulletin 1351, 94 P.

  • Deposit

    V.E. Mitchell, Et. Al; Mines And Prospects Map Series, 1981, Dubois Quad, Location No. 93 And 94.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1974 Miller, Pat J. U.S. Geological Survey
Reporter 25-NOV-1983 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.