Commodities
PrimaryMica
Commodity typeN
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formIN ECHELON
Materials
Ore mineralsMuscovite
GangueAlbite, Quartz
Geology
Host rockSchist · Schist
Associated rockPegmatite · Pegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10010801
MRDS IDD004782
RegionNA
Data scoreB
Coordinates43.75746, -103.62195
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