Transactions . Fig. 9.—Micro-Section of a as Shown in Fig. 8. Feld-spars Show Idiomorphic Develop-ment, the Merely aBasic Glass ; Flow StructureMarked. X Fig. 10.—Micro-Section from a 20-Ft. Dike of Typical CamptoniteIntrusive in the Franklin Limestone at Franklin Furnace,X. J. Augite, Biotite, and Titanite in a Feldspar 35.

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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries