Commodities
PrimaryFeldspar, Mica
SecondaryBeryllium
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formDIKES
Materials
Ore mineralsBeryl, Feldspar, Mica
GangueGarnet, Pyrite, Pyrrhotite, Quartz, Siderite, Sphalerite, Torbernite, Triphylite, Vivianite
Geology
Host rockPegmatite
Associated rockPegmatite · Pegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10055681
MRDS IDSD02295
RegionNA
Data scoreB
Coordinates43.86524, -103.38195
References
U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707MOORE, PAUL B., KAMPF, ANTHONY R., AND IRVING, ANTHONY J., 1974, AMERICAN MINERALOGIST, VOL. 59, PP. 900-905.RITZ, CHARLES, ESSERE, ERIC J., AND REACOR, DONALD R., 1974, AMERICAN MINERALOGIST, VOL. 59, PP. 896-899.MOORE, PAUL B., 1971, AMERICAN MINERALOGIST, VOL. 56, PP. 1-17./BAUER, WERNER H., 1969, AMERICAN MINERALOGIST, VOL. 54, PP. 1312-1323./ROBERTS W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18