Mine detail: Mountain Beryl Claim

Previously called ''

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Location

Lat / long:

43.6319, -103.61445

Resource(B)

Primary:	Feldspar, Beryllium, Mica
Ore:	Beryl, Feldspar
Gangue:	Biotite, Columbite, Quartz, Tourmaline
Orebody form:	2 DIKES

Production

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

Geology

Host type:	Schist
Associated type:	Pegmatite

References

MRDS	D008103
DEP	10012460
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. 162.}{Production:: USBM INFO CIRCULAR 7707, P. 164.}
Reporter	Barari, Rachel A.