South Dakota · Lawrence County
Past Producer

Mark Twain Mine

Lawrence County, South Dakota, United States
GoldSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold, Silver
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
Ore controlUpper Ore Horizon: In Northeast Trending Vertical Fractures In Dolomite.
Materials
Ore mineralsGold, Silver
Economic & production
Development statusPast Producer
Identification
Deposit ID10055521
MRDS IDSD02086
RegionNA
Data scoreC
Coordinates44.33968, -103.8378
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 .