| Lat / long: | 43.8019, -103.53667 |
| Primary: | Feldspar, Mica |
| Ore: | Mica |
| Gangue: | Quartz |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host type: | Granite |
| Associated rock: | Pegmatite Granite;Pegmatite |
| Associated type: | Pegmatite |
| Alteration processes: | Minerals Are Iron Stained |
| MRDS | SD02324 |
| DEP | 10055704 |
| 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. |