South Dakota · Custer County
Past Producer

Hedman Mine

Custer County, South Dakota, United States
Mica
⌖ Show on mapUSGS source ↗
Commodities
PrimaryMica
Commodity typeN
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formLENTICULAR DIKE
Materials
Ore mineralsMuscovite
GangueAlbite, Beryl, Microcline, Quartz, Scorzalite, Sillimanite, Tourmaline, Triphylite
Geology
Host rockPegmatite
Associated rockPegmatite · Pegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10101548
MRDS IDD004745
Alternate namesVictory Mica Mine
RegionNA
Data scoreB
Coordinates43.78246, -103.56973
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