Montana · Beaverhead County
Occurrence

Last Chance-Shady Tree Mine

Beaverhead County, Montana, United States
ThoriumUranium
⌖ Show on mapUSGS source ↗
Description

R. A. Wellborn

Commodities
PrimaryThorium
SecondaryUranium
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeN
WorkingsUnderground
Ore controlE-W Trending Vein Parallel To Dan Patch - Fault
Materials
Ore mineralsThorite
GangueBarite, Chalcedony, Goethite, Microcline, Specularite
Geology
Host rockQuartzite,Argillite · Belt Series, Metamorphosed Sediments
StructureFolding And Faulting Locally, In The District, Veins Are E-W Trending Tension Fractures And Nw Trending Shear Fractures
AlterationSilica And Sericite
Economic & production
Development statusOccurrence
Discovery year1947
Identification
Deposit ID10096234
MRDS IDW013427
Alternate namesStaatz Loc. No. 82
RegionNA
Data scoreC
Coordinates44.93683, -113.46284
References
SRC.REF: GEACH R. D., 1972GEACH, 1972, MINES & MINERAL DEPOSITS - BEAVERHEAD CO., MT. BUREAU MINES & GEOLOGY BULL. 85.LAWSON, 1974, DIRECTORY OF MINING ENTERPRISES FOR 1974, MT. BUREAU MINES & GEOLOGY BULL. 95.1953 GEOLMAP TRITES A. F., TOOKER E. W., BULL. 988-H1962 GEOLMAP SHARP W. M., CAVENDER W. S., BULL 11261972 GEOLMAP STAATZ M. H., BULL 1351