Mine detail: Last Chance-Shady Tree Mine

Previously called 'Staatz Loc. No. 82'

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Location

Lat / long:

44.93683, -113.46284

Resource(M)

Primary:	Thorium
Secondary:	Uranium
Ore:	Thorite
Gangue:	Barite, Chalcedony, Goethite, Microcline, Specularite
Discovery year:	1947

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	None
Development status:	Occurrence

Geology

Host rock:	Belt Series, Metamorphosed Sediments
Host type:	Quartzite,Argillite
Structure:	Folding And Faulting Locally, In The District, Veins Are E-W Trending Tension Fractures And Nw Trending Shear Fractures
Alteration processes:	Silica And Sericite

References

MRDS	W013427
DEP	10096234
Reference	{Analytical Data:: SRC.REF: GEACH R. D., 1972}{Deposit:: GEACH, 1972, MINES & MINERAL DEPOSITS - BEAVERHEAD CO., MT. BUREAU MINES & GEOLOGY BULL. 85.}{Deposit:: LAWSON, 1974, DIRECTORY OF MINING ENTERPRISES FOR 1974, MT. BUREAU MINES & GEOLOGY BULL. 95.}{Deposit:: 1953 GEOLMAP TRITES A. F., TOOKER E. W., BULL. 988-H}{Deposit:: 1962 GEOLMAP SHARP W. M., CAVENDER W. S., BULL 1126}{Deposit:: 1972 GEOLMAP STAATZ M. H., BULL 1351}
Reporter	Mlynarczyk, Meg S.; Krohn, D., Doyle, Brien (Wells, John)