The Lucky Horseshoe Claim Group is a thorium and ree mine located in Lemhi county, Idaho at an elevation of 6,201 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 6,201 Feet (1,890 Meters)
Commodity: Thorium, REE
Lat, Long: 44.9839, -113.49470
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Lucky Horseshoe Claim Group MRDS details
Site Name
Primary: Lucky Horseshoe Claim Group
Commodity
Primary: Thorium
Primary: REE
Location
State: Idaho
County: Lemhi
District: McDevitt District
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Type: Located Claim
Workings
Not available
Ownership
Owner Name: Fred Guderjoin
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Underground
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Beaverhead Mountains
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR STREAKS, ZONES, PODS, SEAMS, BUNCHES
Structure
Type: L
Structure: Brecciation
Type: L
Structure: Cleavage
Type: L
Structure: Faults
Alterations
Alteration Type: L
Alteration: Sericite
Rocks
Name: Silt
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: HIGHEST READING 0.4 MR/HR FROM OTHER SAMPLES
Analytical Data: 1 CHANNEL SAMPLE HAD 0.047% THO2
Analytical Data: 2 CHIP SAMPLES HAD 0.80 AND 0.89% THO2
Materials
Ore: Chalcopyrite
Ore: Rutile
Ore: Xenotime
Ore: Monazite
Ore: Allanite
Ore: Thorite
Gangue: Barite
Gangue: Feldspar
Gangue: Goethite
Gangue: Tourmaline
Gangue: Quartz
Gangue: Limonite
Gangue: Epidote
Gangue: Calcite
Gangue: Apatite
Gangue: Muscovite
Gangue: Biotite
Comments
Comment (Workings): 2 Short Adits, Diamond Drill Holes, Bulldozer Cuts, Small Open Pits
Comment (Location): On Flume Creek About A Mi Above Junction With Agency Creek; Adjoins Independence Group On The Se
Comment (Development): 12 Claims ; Econ.Com: Powers Estimates That No More Than 0.5% Tho Ore Could Be Mined
Comment (Deposit): Much Of The Ore Resembles A Banded Gneiss
Comment (Geology): Original Structures entry: Local - Faults, Cleavage, Brecciation
Comment (Geology): Original concentration process entry: Hydrothermal
Comment (Geology): Original alteration entry: Local - Sericite
Comment (Geology): Original ore control entry: Sheared And Complexly Fractured Zone, Bedding
References
Reference (Deposit): Staatz, M. H., 1972, Geology And Description Of Thorium-Bearing Veins, Lemhi Pass Quadrangle, Idaho And Montana: USGS Bulletin 1351, 94 P.
Reference (Deposit): Powers, H. A., 1955, Lucky Horseshoe And Independence Group: Idaho Bureau Of Mines And Geology Open-File Rept.
Reference (Deposit): Anderson, A. L., 1958, Uranium, Thorium, Columbium, And Rare Earth Deposits Of The Salmon Region, Lemhi County, Idaho: Idaho Bureau Of Mines An Geology Pamphlet 115, 81 P.
Reference (Deposit): Eng, F. G., 1960, Geology Of The Lucky Horseshoe Thorium Deposit, Lemhi County, Idaho: Moscow, Idaho, Univ. Of Idaho, M. S. Thesis, 38 P.
Reference (Deposit): Staatz, Bunker, and Bush 1971 USGS Prof Paper 750-C, P 136-140
Reference (Deposit): Anderson, 1961, Econ Geol, V 56, P 177-197
Reference (Deposit): Ross and George, 1966, USBM Res Rept 62.1 34 P Salt Lake City Met Res
Idaho Gold
"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more: Where to Find Gold in Idaho.
