Transactions . wmmm&zin^rng bed. - ion at the Marble City Mine on Mill Creek near WilcocksoiL cherts and limestones, but they probably extend downward tothe Ordovician. The ore-deposits in the vicinity of Boxley, inNewton county, belong to this type. Fig. S tion in a Tunnel of the Mcintosh Mine, Showing the Zinc-bearing Beds (shaded . The ores are found both in the brecciated zone along thefaults and in the minor fractures that accompany the some instances the ore is more abundant at one side of the 580 THE ZINC- AND LEAD-DEPOSITS OF NORTH ARKANSAS. fault than in tli« fault Itsel


Transactions . wmmm&zin^rng bed. - ion at the Marble City Mine on Mill Creek near WilcocksoiL cherts and limestones, but they probably extend downward tothe Ordovician. The ore-deposits in the vicinity of Boxley, inNewton county, belong to this type. Fig. S tion in a Tunnel of the Mcintosh Mine, Showing the Zinc-bearing Beds (shaded . The ores are found both in the brecciated zone along thefaults and in the minor fractures that accompany the some instances the ore is more abundant at one side of the 580 THE ZINC- AND LEAD-DEPOSITS OF NORTH ARKANSAS. fault than in tli« fault Itself. Iu many instances, perhaps inall of them, where there is ore in the breccia of a fault there is Fig. 7.


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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries