| Lat / long: | 43.75524, -103.56584 |
| Primary: | Beryllium, Feldspar, Mica, Lithium |
| Tertiary: | Tantalum |
| Ore: | Beryl, Feldspar, Lepidolite, Mica, Spodumene |
| Gangue: | Andalusite, Apatite, Cassiterite, Lazulite, Lithiophilite, Pyrite, Quartz, Sillimanite, Tourmaline, Triphylite, Uraninite |
| Orebody form: | IRREGULAR |
| Other material: | Amblygonite |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Mica Schist,Pegmatite |
| Associated type: | Pegmatite |
| MRDS | SD02505 |
| DEP | 10055762 |
| Reference | {Deposit:: USBM INFO CIRC 7707, P. 100}{Deposit:: USGS PP 247, P. 97-98}{Deposit:: SDGS RI 50, P. 37-56.} |
| Reporter | Barari, Rachel A. |