Commodities
PrimarySilver, Lead
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
WorkingsUnderground
Ore controlIn The Upper Ore Horizon, Three Sets Of Vertical Fractures
Geology
StructureDeadwood Formation Dips 10 Deg Ne
AlterationOxidized To Soft Yellow-Brown Material And Lies On Heavily Manganese Stained Quartzite
Economic & production
Development statusPast Producer
Identification
Deposit ID10055565
MRDS IDSD02148
Alternate namesDouble Rainbow Group
RegionNA
Data scoreC
Coordinates44.3294, -103.63807
References
US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 1 , 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.