Commodities
PrimaryGold
SecondarySilver
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
Ore controlVertical Fractures, Gentle Folds More Or Less Parallel To Regional Strike
Geology
Host rockLimestone · Pahasapa Limestone
Associated rockPlutonic Rock · Intrusive
StructureMassive 4 - 6 Ft Brecciated Carbonate Completely Silicified, Pahasapa Dips 400 Ft/Mi; Gentle N-S Folds. One Has Axial Trend N 10 Deg W
AlterationIron And Manganese Oxides
Economic & production
Development statusPast Producer
Discovery year1896
Identification
Deposit ID10055563
MRDS IDSD02145
RegionNA
Data scoreB
Coordinates44.39052, -103.89225
References
US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 1 , BUREAU OF MINES INFORMATION CIRCULAR 7688 .SHAPIRO, L. H., AND GRIES, J. P., 1970 , ORE DEPOSITS IN ROCKS OF PALEOZOIC AND TERTIARY AGE OF THE NORTHERN BLACK HILLS, SOUTH DAKOTA, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY.US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 1 , BUREAU OF MINES INFORMATION CIRCULAR 7688 { SHAPIRO, L. H., AND GRIES, J. P., 1970 , ORE DEPOSITS IN ROCKS OF PALEOZOIC AND TERTIARY AGE OF THE NORTHERN BLACK HILLS, SOUTH DAKOTA, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY