Mine detail: Oreville Spar Mica Mine

Previously called ''

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Location

Lat / long:

43.85996, -103.62557

Resource(B)

Primary:	Mica
Tertiary:	Feldspar, Beryllium, Tin, Lithium
Ore:	Amblygonite, Beryl, Cassiterite, Feldspar, Mica

Production

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

Geology

Host rock:	Schist
Host type:	Schist
Associated rock:	Pegmatite
Associated type:	Pegmatite

References

MRDS	SD02320
DEP	10055700
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.