Commodities
PrimaryGold, Silver
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
Ore controlFractures
Geology
Host rockLimestone · Pahasapa Limestone
Economic & production
Development statusPast Producer
Identification
Deposit ID10104200
MRDS IDSD02063
Alternate namesSpearfish Gold Mining Company, Black Diamond Group
RegionNA
Data scoreC
Coordinates44.39079, -103.91058
References
US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .