Commodities
PrimaryMica
Commodity typeN
Deposit
Deposit sizeS
WorkingsSurface
Orebody formDIKE
Materials
Ore mineralsBiotite, Muscovite
GanguePlagioclase, Quartz, Tourmaline
Geology
Host rockGranite
Associated rockPegmatite · Harney Peak Granite;Pegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10055674
MRDS IDSD02285
Alternate namesLakeside
RegionNA
Data scoreB
Coordinates43.84496, -103.55778
References
U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707