Commodities
PrimarySilver
SecondaryLead
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
WorkingsUnderground
Ore controlNortheast Trending Verticals Have Cut The Upper Ore Horizon Of The Deadwood Formation
Materials
Ore mineralsGalena, Silver
Geology
AlterationOre Is Thoroughly Oxidized To A Soft Brown To Yellow Material
Economic & production
Development statusPast Producer
Discovery year1876
Identification
Deposit ID10055579
MRDS IDSD02168
Alternate namesDouble Rainbow Group
RegionNA
Data scoreC
Coordinates44.33552, -103.63196
References
US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .SHAPIRO, L. H., AND GRIES, J. 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.