Mine detail: Michaud Prospect

Previously called ''

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Location

Lat / long:

43.68885, -103.71946

Resource(B)

Primary:	Beryllium
Secondary:	Mica, Feldspar
Ore:	Albite, Beryl, Muscovite
Gangue:	Quartz, Tourmaline

Production

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

Geology

Host type:	Schist,Pegmatite
Associated type:	Pegmatite

References

MRDS	SD02514
DEP	10055769
Reference	{Deposit:: U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707, P. 198}{Deposit:: USGS PP 247, P. 157.}{Production:: USGS PP 247., P. 157; USBM INFO CIRC 7707, P. 198}
Reporter	Barari, Rachel A.