Commodities
PrimaryGold, Silver
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
WorkingsUnderground
Ore controlIn Dolomite Just Above The Basal Quartzite Of The Deadwood Formation; 36 Strongly Mineralized Ore Shoots In Lower Contact Zone Of The Deadwood Formation.
Geology
Associated rockPhonolite · Phonolite Sill And Unspecified Others;Schist
StructureSeveral Dikes And Minor Faults; One Fault With A 300-Feet Downthrow To The East Lies Just West Of The Main Workings.
AlterationSome Oxidized Ore
Economic & production
Development statusPast Producer
Identification
Deposit ID10055543
MRDS IDSD02117
Alternate namesGolden Reward Group
RegionNA
Data scoreB
Coordinates44.33496, -103.85058
References
U.S. 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.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.