Transactions . Section at the Baker and McGrath Shaft, Big Buffalo Kegion. the walls of Lower Carboniferous rocks in the Big Buffalo re-gion near Boxley, in Xewton county. (Fig. 20.) At the Panthercreek mines, near Jasper, the ores are found in Lower Car-boniferous cherts and limestones along and adjacent to a fault. THE ZINC- AND LEAD-DEPOSITS OF NORTH ARKANSAS. 58< A i the Big Hurricane mines on Hurricane creek, b tributary ofDavis creek, Newton county, the zinc Is found in the Boonechert (Lower Carboniferous); but this zinc-bearing chert iswithin a tV • \\ feet of 0 great fault, in which
Transactions . Section at the Baker and McGrath Shaft, Big Buffalo Kegion. the walls of Lower Carboniferous rocks in the Big Buffalo re-gion near Boxley, in Xewton county. (Fig. 20.) At the Panthercreek mines, near Jasper, the ores are found in Lower Car-boniferous cherts and limestones along and adjacent to a fault. THE ZINC- AND LEAD-DEPOSITS OF NORTH ARKANSAS. 58< A i the Big Hurricane mines on Hurricane creek, b tributary ofDavis creek, Newton county, the zinc Is found in the Boonechert (Lower Carboniferous); but this zinc-bearing chert iswithin a tV • \\ feet of 0 great fault, in which Ordovician rocksare brought up against the Lower Carboniferous beds. (Fig« 21. Fig. Section r< the Big I[urricane zinc-ore is in Carboniferous rocks near a fault. The Tomahawk copper-mines are on a fault in which theLower Carboniferous rocks arc let down against the Silurian and Ordovician beds. At the Si. doe mines the ores are foundalong a fault on which the Ordovician and Silurian rocks arein contact with Lower Carboniferous cherts and limestones.(Fig. 22.) Fig. 22. Boone Chert^&i
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
