Author: Vogt, J.H.L., 1924-1926.:
Title: The physical chemistry of the magmatic differentiation of igneous rocks. I & II. [Vid. Selsk. Skrift., I. Kl., 1925 Nr. 15 & 1926 Nr., 2.]
Description: Kristiania; J. Dybwad. 4to, 26cm. Vol. 1: pp. 132, 7 figsd., tabs., notes & refs.; vol. 2: pp. 101, 21 figs., notes & refs. Private half cloth. Few stamps, very good otherwise. - Cont.: I. On the concentration of the high melting mixcrystal components in the proto-enriched and of the low melting mixcrystal components in the restmagma enriched rocks. II. On the feldspar diagram Or : Ab : An.

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