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Mine detail: Sonny Boy Prospect
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North America
United States
South Dakota
Custer
Previously called ''
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Location
Lat / long:
43.74663, -103.5375
Resource(N)
Primary:
Feldspar
Ore:
Feldspar
Orebody form:
IRREGULAR
Production
Operation type:
Unknown
Production size:
Small
Development status:
Past Producer
Geology
Host rock:
Schist Or Granite
Host type:
Schist
Associated rock:
Pegmatite
Associated type:
Pegmatite
References
MRDS
D004778
DEP
10101555
Reference
U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 770
Reporter
Barari, Rachel A.