| Lat / long: | 43.76302, -103.55278 |
| Primary: | Mica |
| Ore: | Muscovite |
| Gangue: | Albite, Amblygonite, Quartz, Triphylite |
| Orebody form: | IRREGULAR |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1880 |
| Host type: | Schist |
| Associated type: | Pegmatite |
| Tectonic: | Southern Black Hills |
| MRDS | D007204 |
| DEP | 10011984 |
| Reference | {Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707}{Deposit:: ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18} |
| Reporter | Barari, Rachel A. |