| Lat / long: | 43.79357, -103.53278 |
| Primary: | Mica |
| Ore: | Muscovite |
| Gangue: | Biotite, Garnet, Microcline, Oligoclase, Quartz, Sillimanite, Tourmaline |
| Orebody form: | IRREGULAR, BRANCHING |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host rock: | Schist |
| Host type: | Schist |
| Associated rock: | Pegmatite |
| Associated type: | Pegmatite |
| MRDS | SD02309 |
| DEP | 10104259 |
| Reference | {Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 770}{Production:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707} |
| Reporter | Barari, Rachel A. |