South Dakota · Pennington County
Past Producer
Annie No. 1 Lode
Pennington County, South Dakota, United States
Tungsten
Tin
Mica
Feldspar
Graphite
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USGS source ↗
Commodities
Primary
Tungsten, Tin
Secondary
Mica, Feldspar, Graphite
Commodity type
B
Deposit
Deposit size
S
Materials
Ore minerals
Cassiterite, Feldspar, Graphite, Muscovite, Wolframite
Gangue
Quartz
Geology
Host rock
Pegmatite
Associated rock
Pegmatite · Pegmatite
Economic & production
Development status
Past Producer
Identification
Deposit ID
10104231
MRDS ID
SD02172
Alternate names
Tin Spike
Region
NA
Data score
B
Coordinates
43.93802, -103.58139
References
US BUREAU OF MINES, 1955 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2 , BUREAU OF MINES INFORMATION CIRCULAR 7707