Mineral Resource Map
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Mine detail: Lookout No. 5 Lode
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North America
United States
South Dakota
Custer
Previously called ''
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Location
Lat / long:
43.67857, -103.63362
Resource(B)
Primary:
Feldspar, Beryllium
Ore:
Beryl, Feldspar
Gangue:
Garnet, Mica, Quartz, Tourmaline
Orebody form:
DIKE
Production
Operation type:
Unknown
Production size:
Small
Development status:
Past Producer
Geology
Host type:
Granite
Associated type:
Pegmatite,Granite
References
MRDS
D008112
DEP
10012467
Reference
{Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707}{Production:: USBM INFO CIRC 7707, P. 158.}
Reporter
Barari, Rachel A.