Commodities
PrimaryCesium, Feldspar, Lithium, Mica
SecondaryBeryllium, Tantalum
Commodity typeB
Deposit
Deposit sizeS
Orebody formIRREGULAR, L-SHAPED
Materials
Ore mineralsAlbite, Amblygonite, Andesine, Beryl, Biotite, Columbite, Muscovite, Pollucite, Spodumene
GangueAlmandite, Apatite, Bismuthinite, Calcite, Cassiterite, Chalcopyrite, Cleavelandite, Goethite, Lepidolite, Malachite, Montmorillonite, Quartz, Sphalerite, Tourmaline, Triphylite, Turquoise, Uraninite, Uranophane, Vanadinite, Zircon
Other materialsMicrocline
Geology
Host rockMica Schist · Mica Schist
Associated rockPegmatite · Pegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10104256
MRDS IDSD02297
RegionNA
Data scoreB
Coordinates43.74635, -103.71918
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707SCHWARTZ, G.M., 1930, TIN MOUNTAIN SPODUMENE MINE, ECONOMIC GEOLOGY, VOL. 25, PP. 275-284BIENIEWSKI, C.L., AND AGNEW, A.F., 1964, THE MINERAL INDUSTRY OF SOUTH DAKOTA IN 1962, SOUTH DAKOTA GEOLOGICAL SURVEY MINERALS REPORT 10ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707 / BIENIEWSKI, C.L., AND AGNEW, A.F., 1964, THE MINERAL INDUSTRY OF SOUTH DAKOTA IN 1962, SOUTH DAKOTA GEOLOGICAL SURVEY MINERALS REPORT 10