| Lat / long: | 43.67107, -103.53584 |
| Primary: | Beryllium, Mica, Feldspar |
| Ore: | Beryl, Feldspar, Mica |
| Gangue: | Chrysoberyl |
| Orebody form: | WEDGE-SHAPED DIKE |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host type: | Slate,Granite |
| Associated type: | Pegmatite,Granite |
| Alteration processes: | Feldspar Is Stained. |
| MRDS | D008145 |
| DEP | 10012492 |
| Reference | U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707 |
| Reporter | Barari, Rachel A. |