Commodities
PrimaryMica
Commodity typeN
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formDIKE
Materials
Ore mineralsBiotite, Muscovite
GangueAlbite, Apatite, Beryl, Garnet, Quartz, Tourmaline, Zircon
Geology
Host rockPegmatite
Associated rockPegmatite · Pegmatite
AlterationMica Is Heavily Stained
Economic & production
Development statusPast Producer
Discovery year1943
Identification
Deposit ID10055653
MRDS IDSD02260
RegionNA
Data scoreB
Coordinates43.78079, -103.59667
References
U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707ROBERTS, 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