Commodities
PrimaryBeryllium, Mica
Commodity typeB
Deposit
Deposit sizeN
WorkingsSurface
Orebody formFLATIRON-SHAPED
Materials
Ore mineralsBeryl, Mica
GangueChrysoberyl, Quartz
Geology
Host rockGranite
Associated rockPegmatite
Tectonic settingSouthern Black Hills
Economic & production
Development statusOccurrence
Identification
Deposit ID10055747
MRDS IDSD02487
RegionNA
Data scoreC
Coordinates43.72024, -103.53334
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 18