Mine detail: White Bear Mine

Previously called ''

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Location

Lat / long:

43.72052, -103.60139

Resource(B)

Primary:	Mica
Secondary:	Beryllium, Feldspar
Ore:	Beryl, Feldspar, Muscovite
Gangue:	Albite, Quartz
Orebody form:	KNOBLIKE AND LENTICULAR
Discovery year:	1935

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1936

Geology

Host type:	Mica Schist
Associated type:	Gneiss,Pegmatite

References

MRDS	D008106
DEP	10012463
Reference	{Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707.}{Deposit:: USGS PP 247, P. 212-214.}{Production:: USGS PP 247, P. 214.}
Reporter	Barari, Rachel A.