| Location: | Pennington County, South Dakota, United States, North America |
| Lat / long: | 43.88218, -103.40556 |
| dep_id: | 10011957 |
| mrds_id: | D007164 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Lithium |
| Minor mineral: | Mica, Feldspar, Beryllium, Tantalum |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Beryl, Feldspar, Muscovite, Spodumene |
| gangue: | Albite, Calcite, Holmquistite, Hornblende, Pyrite, Quartz |
| orebody_fm: | IRREGULAR DIKES |
| alteration: | The Core Spodumene Crystals Range From Fresh To Highly Altered. |
| Reporter: | Barari, Rachel A. |
| hrock_type: | Pegmatite |
| arock_type: | Pegmatite |
| tectonic: | Southern Black Hills |
| Year first produced: | 1917 |
| References: |
- 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
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