South Dakota · Lawrence County
Past Producer

Big Bonanza Mine

Lawrence County, South Dakota, United States
SilverGold
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Gold
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
Ore controlClosely Spaced Vertical Fractures That Trend North-Northeast.
Materials
Ore mineralsGold, Silver
Geology
Host rockDolomite
AlterationReplacement Spread Laterally For Some Distance.
Economic & production
Development statusPast Producer
Identification
Deposit ID10055497
MRDS IDSD02054
RegionNA
Data scoreC
Coordinates44.3344, -103.80725
References
US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688