Commodities
PrimarySilver, Lead
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
WorkingsUnderground
Ore controlUpper Contact Zone About 70 Feet Below The White Quartzite, Which Forms The Top Of The Formation, Three Sets Of Vertical Fractures - N 25 Deg. E, East - West, And S 75 - 85 Deg. E.
Geology
StructureThe Deadwood Formation Dips 8 - 16 Deg. Ne Within The Mine.
Economic & production
Development statusPast Producer
Identification
Deposit ID10055524
MRDS IDSD02090
Alternate namesDouble Rainbow Group
RegionNA
Data scoreC
Coordinates44.33135, -103.63751
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 .