| Location: | Pennington County, South Dakota, United States, North America |
| Lat / long: | 43.88079, -103.41889 |
| dep_id: | 10055688 |
| mrds_id: | SD02304 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Feldspar, Mica, Lithium, Tin |
| Minor mineral: | Beryllium, Tantalum |
| Trace mineral: | Tungsten |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Albite, Beryl, Cassiterite, Muscovite, Plagioclase, Spodumene, Wolframite |
| gangue: | Barite, Biotite, Bismuth, Chalcocite, Chalcopyrite, Corundum, Diopside, Eucryptite, Galena, Gold, Kaolinite, Lazulite, Malachite, Molybdenite, Olivenite, Opal, Petalite, Pyrite, Quartz, Rutile, Siderite, Sphalerite, Stannite, Torbernite, Uraninite, Vivianite |
| orebody_fm: | PIPELIKE, ELLIPTICAL |
| Reporter: | Barari, Rachel A. |
| hrock_unit: | Schist |
| hrock_type: | Schist |
| arock_unit: | Pegmatite;Harney Peak Granite |
| arock_type: | Pegmatite |
| Year first produced: | 1898 |
| References: |
- Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707
- Deposit:: SCHWARTZ, G.M., 1925, GEOLOGY OF THE ETTA SPODUMENE MINE, ECONOMIC GEOLOGY, VOL. 20, PP. 646-659
- Deposit:: FISHER, D.J., 1945, PRELIMINARY REPORT ON THE MINERALOGY OF SOME PEGMATITES NEAR CUSTER, SOUTH DAKOTA GEOLOGICAL SURVEY REPORT OF INVESTIGATIONS 50
- Deposit:: ROBERTS W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18 / U.S. GEOLOGICAL SURVEY, U.S.BUREAU OF RECLAMATION, AND SOUTH DAKOTA GEOLOGICAL SURVEY, 1975, MINERAL AND WATER RESOURCES OF SOUTH DAKOTA, SOUTH DAKOTA GEOLOGICAL SURVEY BULLETIN 16 / BIENIEWSKI, C.L., AND AGNEW, A.F., 1964, THE MINERAL INDUSTRY OF SOUTH DAKOTA IN 1962, SOUTH DAKOTA GEOLOGICAL SURVEY MINERALS REPORT 10
- Production:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707 / SOUTH DAKOTA GEOLOGICAL SURVEY MINERALS REPORT 10
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