Beryllium, Mica, Feldspar Mines in South Dakota
5Total Sites
0Active
Beryllium, Mica, Feldspar Mining in South Dakota
South Dakota has 5 beryllium, mica, feldspar-related mine and mineral deposit locations recorded in federal databases. None are currently listed as active, but historical records document past production and geological occurrences. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
The earliest recorded beryllium, mica, feldspar mine in South Dakota is Highland Mine in Custer County, with records dating to 1907.
By County
| County | Sites |
|---|---|
| Custer County | 4 |
| Pennington County | 1 |
Beryllium, Mica, Feldspar Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Dubuque and Royal Flush Claims | Custer | Past Producer | |
| Highland Mine | Custer | Past Producer | |
| Phenacite Prospect | Custer | Occurrence | |
| Sitting Bull Group | Pennington | Past Producer | |
| Victory Claim | Custer | Occurrence |
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