Mine detail: Big Spar No. 1 Mine

Previously called ''

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Location

Lat / long:

43.7544, -103.65307

Resource(B)

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

Production

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

Geology

Host type:	Mica Schist
Associated type:	Pegmatite
Tectonic:	Southern Black Hills

References

MRDS	D008130
DEP	10012482
Reference	{Deposit:: USBM INFO CIRC 7707, P. 114-115.}{Deposit:: USGS PP 247, P. 74.}{Deposit:: ROBERTS, W. L. AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18.}
Reporter	Barari, Rachel A.