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Mine detail: Mack Lode
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North America
United States
South Dakota
Custer
Previously called ''
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Location
Lat / long:
43.64968, -103.61473
Resource(N)
Primary:
Feldspar
Secondary:
Mica
Ore:
Feldspar, Mica
Gangue:
Quartz, Tourmaline
Production
Operation type:
Unknown
Production size:
None
Development status:
Occurrence
Geology
Host type:
Schist,Pegmatite
Associated type:
Pegmatite
References
MRDS
SD02553
DEP
10055797
Reference
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707, P. 16
Reporter
Barari, Rachel A.