Commodities
PrimaryGold, Silver
Commodity typeM
Deposit
Deposit typePlacer
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR BLANKET
Geology
Associated rockRhyolite,Plutonic Rock · Porphyry Intrusions, Rhyolite
AlterationConglomerate Was Cemented By Pyrite, Which Was Altered To Iron Oxides.
Economic & production
Development statusPast Producer
Identification
Deposit ID10055514
MRDS IDSD02076
RegionNA
Data scoreB
Coordinates44.35968, -103.76168
References
US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .SHAPIRO, LEWIS H., AND GRIES, JOHN P., 1970 , ORE DEPOSITS IN ROCKS OF PALEOZOIC AND TERTIARY AGE OF THE NORTHERN BLACK HILLS, SOUTH DAKOTA, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY.