| Lat / long: | 43.88218, -103.40556 |
| Primary: | Lithium |
| Secondary: | Mica, Feldspar, Beryllium, Tantalum |
| Ore: | Beryl, Feldspar, Muscovite, Spodumene |
| Gangue: | Albite, Calcite, Holmquistite, Hornblende, Pyrite, Quartz |
| Orebody form: | IRREGULAR DIKES |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1917 |
| Host type: | Pegmatite |
| Associated type: | Pegmatite |
| Tectonic: | Southern Black Hills |
| Alteration processes: | The Core Spodumene Crystals Range From Fresh To Highly Altered. |
| MRDS | D007164 |
| DEP | 10011957 |
| Reference | {Deposit:: U.S. BUREAU OF MINES, 1954, 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}{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. |