Mine detail: Dewey Mine

Previously called ''

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Location

Lat / long:

43.89607, -103.54

Resource(N)

Primary:	Mica, Feldspar
Ore:	Feldspar, Mica, Spodumene
Gangue:	Quartz

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Last production ended:	1943

Geology

Host type:	Pegmatite
Associated type:	Pegmatite

References

MRDS	SD02529
DEP	10099361
Reference	{Deposit:: USBM INFO CIRC 7707, P. 69}{Deposit:: SDSMT BULL 18}{Deposit:: USGS PP 247, P. 99-100}{Production:: USBM INFO CIRC 7707, P. 69.}
Reporter	Barari, Rachel A.