Mine detail: Blue Bonnet Claim

Previously called 'Star Claim'

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Location

Lat / long:

43.74718, -103.52778

Resource(B)

Primary:	Mica
Secondary:	Beryllium
Ore:	Beryl, Muscovite
Gangue:	Albite, Apatite, Biotite, Garnet, Quartz

Production

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

Geology

Host type:	Quartzite
Associated type:	Pegmatite
Tectonic:	Southern Black Hills
Alteration processes:	Stained Pale To Ruby Mica

References

MRDS	D007163
DEP	10101677
Reference	{Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 770}{Production:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707}
Reporter	Barari, Rachel A.