Little Joe Prospects

Prospect in Custer county in Idaho, United States with commodity 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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10093545
MRDS ID W014159
MAS/MILS ID 0160370383
Record type Site
Current site name Little Joe Prospects

Geographic coordinates

Geographic coordinates: -114.81733, 44.28299 (WGS84)
Elevation 2073
Relative position 5 MI W OF SUNBEAM

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

East Basin Creek(quadrangle 1:24,000 scale)

White Cloud Peaks(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Salmon-Challis 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 Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 011N 014E 16 E2 Idaho

Commodities

Commodity Importance
Uranium Tertiary

Comments on the commodity information

  • Ore Grade Mineralization Has Not Been Found At the Little Joe

Analytical data

Result MAXIMUM RADIOACTIVITY WAS 0.50 MILLIROENTGENS PER HOUR.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Idaho Batholith-Quartz Monzonite.;Basalt
    Rock description Idaho Batholith-Quartz Monzonite.;Basalt
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Mudstone
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
  • Host or associated Host
    Rock type Sedimentary Rock > Coal
    Rock unit name Challis Sediments-Coal, Mudstone, Arkosic Sandstone, Cobble Conglomerate
    Rock description Challis Sediments-Coal, Mudstone, Arkosic Sandstone, Cobble Conglomerate

Nearby scientific data

(1) -114.81733, 44.28299

Economic information

Geologic structures

Type of structure Local
Structure description Buried Former Stream Channel

Ore body information

  • General form LENS

Controls for ore emplacement

  • Fault Zone, Strikes N 30-35 Deg E, Dips 75 Deg Nw To 75 Deg Se.

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No
Discoverer Jack Keller, Peter Yarosh

Mining district

District name Stanley District

Land status

Ownership category National Forest
Area name Challis National Forest

Ownership information

  • Type Owner
    Owner Jack Keller, Peter Yarosh

Workings at the site

  • Type of workings Surface
    Overall length 13.72M

Comments on the workings information

  • Development Consists of Three Large Pits and Several Small Cuts.

Reference information

Bibliographic references

  • Deposit

    Choate, Raoul, 1962, Geology And Ore Deposits Of The Stanley Area: Idaho Bureau Of Mines And Geology Pamphlet 126, 120 P

  • Deposit

    U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-3, No. 387, P. 198.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1975 Yett, Jay R.; Miller, Pat U.S. Geological Survey
Reporter 04-NOV-1992 McHugh, Edward L. U.S. Bureau of Mines

Beyond USGS

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