Mine detail: Big Smoke Group

Previously called 'Trail Hill Feldspar DikeBig Smoke No 1Big Smoke No 2'

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Location

Lat / long:

43.85774, -103.37528

Resource(B)

Primary:	Feldspar, Beryllium
Tertiary:	Mica
Ore:	Beryl, Muscovite
Gangue:	Quartz, Siderite, Tourmaline

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host type:	Pegmatite
Associated type:	Pegmatite

References

MRDS	SD02503
DEP	10055760
Reference	{Deposit:: USBM INFO CIRC 7707, P. 67}{Deposit:: SDSMT BULL 18}
Reporter	Barari, Rachel A.