South Dakota · Lawrence County
Past Producer

Trojan Mine

Lawrence County, South Dakota, United States
GoldSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold, Silver
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR
Ore controlDeveloped In A 4 To 5 Foot Dolomite At The Upper Ore Horizon, From A Vertical Fracture Trenching N 35 Deg. E.
Materials
Ore mineralsGold, Silver
Geology
Associated rockRhyolite · Rhyolite Dike
Economic & production
Development statusPast Producer
Identification
Deposit ID10055526
MRDS IDSD02093
RegionNA
Data scoreC
Coordinates44.3444, -103.83475
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 .