South Dakota · Custer County
Producer
Hub Mine
Custer County, South Dakota, United States
Mica
Beryllium
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USGS source ↗
Commodities
Primary
Mica
Secondary
Beryllium
Commodity type
B
Deposit
Deposit size
S
Ore control
Most Of The Mica Is In A 2 Ft Zone On The Hanging Wall Of The Lode
Materials
Ore minerals
Beryl, Mica
Gangue
Plagioclase, Quartz
Geology
Host rock
Schist
Associated rock
Pegmatite
Tectonic setting
Southern Black Hills
Economic & production
Development status
Producer
Identification
Deposit ID
10110040
MRDS ID
SD02453
Region
NA
Data score
B
Coordinates
43.72357, -103.62112
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707