Commodities
PrimarySilver, Gold
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlBrecciated Zones
Materials
Ore mineralsGold, Silver
GangueLimonite, Pyrite
Geology
Host rockQuartz Monzonite
Associated rockQuartz Monzonite · Quartz Monzonite Porphyry
AlterationPyrite Cementing Material Oxidized To Limestone Near Surface
Economic & production
Development statusPast Producer
Identification
Deposit ID10055538
MRDS IDSD02110
Alternate namesEureka Mine
RegionNA
Data scoreB
Coordinates44.33163, -103.67557
References
US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .US GEOLOGICAL SURVEY, US BUREAU OF RECLAMATION, AND SOUTH DAKOTA GEOLOGICAL SURVEY, 1975 , MINERAL AND WATER RESOURCES OF SOUTH DAKOTA, SOUTH DAKOTA GEOLOGICAL SURVEY BULLETIN 16 .US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 US GEOLOGICAL SURVEY, US BUREAU OF RECLAMATION, AND SOUTH DAKOTA GEOLOGICAL SURVEY, 1975 , MINERAL AND WATER RESOURCES OF SOUTH DAKOTA, SOUTH DAKOTA GEOLOGICAL SURVEY BULLETIN 16