Author: Emmons, R.C. (editor), 1953.:
Title: Selected petrogenetic relationships of plagioclase. [Mem. Geol. Soc. America, 52.]
Description: New York 1953. 8vo. Pp. x,142, 14 plates of microphotos, 2 fold. maps, 98 figs., refs., index. Orig. cloth. Very good.

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