Commodities
PrimaryGold, Silver
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
Ore controlDeveloped In A Series Of Dolomite Beds Just Above The Basal Quartzite Of The Deadwood Formation In Two North - South Vertical Fractures Which Merge And Then Are Faulted
Geology
Associated rockPhonolite · Phonolite Dike
StructureFolding And Minor Faulting. To The East Is A North - South Trending Dike
AlterationOre Was Of The Blue Variety, Unoxidized
Economic & production
Development statusPast Producer
Identification
Deposit ID10055576
MRDS IDSD02163
RegionNA
Data scoreB
Coordinates44.33135, -103.81225
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.