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Excerpt from Copper Deposits of the Appalachian States
Plate I. Schist from ore bed of Ely mine, Ely, Vt II. Polished specimen of Ely ore III. Pyrrhotite ore from Ely, Vt.; natural light IV. Pyrrhotite ore from Ely, Vt same Specimen as Plate III; re flected light V. Diabase from copper deposit at Somerville, N. J figure 1. Section showing vein structure in Warren mine, New Hamp shire 2. Section showing occurrence of Elizabeth ore body, South Stratford, Vt 3. Section across Watchung Mountain, near Somerville, N. J showing copper-bearing bed 4. Figure showing occurrence Of native copper in contact rock, American mine, Somerville, N. J 5. Fissures cut by shaft of American copper mine, Somerville.
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