Mine detail: Last Chance Prospect

Previously called ''

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Location

Lat / long:

45.3961, -114.0733

Resource(M)

Primary:	Copper, Thorium
Secondary:	REE
Tertiary:	Titanium
Ore:	Allanite, Chalcopyrite, Ilmenite, Monazite, Rutile, Xenotime
Gangue:	Albite, Apatite, Biotite, Calcite, Labradorite, Magnetite, Quartz, Tourmaline, Zircon
Orebody form:	THIN SEAMS, PODS, BUNCHLIKE CLUSTERS, STREAKS

Production

Operation type:	Surface
Production size:	None
Development status:	Prospect

Geology

Host rock:	Belt Supergroup
Host type:	Gneiss,Amphibolite
Associated rock:	Amphibolized Gabbroic Rock
Associated type:	Amphibolite
Structure:	Weak Foliation
Alteration processes:	Gouge, Epidote, Clinozoisite, Chlorite, Sericite

References

MRDS	W015403
MAS	160590484
DEP	10093618
Reference	{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:: USBM WFOC Wilderness Studies}
Reporter	Miller, Pat J., Western Field Operations Center (WFOC)