Abstract
IN this work, which would be valued highly for its references to current literature alone, the author brings together what is known as to the origin of various types of rocks. Its outlook is that of the mineralogist and not of the physical geographer; but this enables the author, though far too modestly, to bring his researches on the construction of minerals and rocks to bear upon broad geological problems. As a treatise, the book is elementary and yet satisfying; in the series of which it forms a part, “Sammlung naturwissenschaftlicher und mathematischer Monographien,” it exactly fills its place as an exposition of prevalent, if not necessarily established, views. Very often these views are subjected to criticism that shows how far we are from finality and conclusions; but the lucidity of discussion and absence of bias displayed by Dr. Doelter make us grateful to him as a guide. The history of the struggle for the Rhine in no way affects his scientific judgment; and once again we feel that Austria holds the balance in the geological controversies of our time.
Petrogenesis.
By Dr. C. Doelter. Pp. xii + 262. (Brunswick: Vieweg und Sohn, 1906.) Price 7 marks.
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COLE, G. Petrogenesis . Nature 74, 242–243 (1906). https://doi.org/10.1038/074242a0
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DOI: https://doi.org/10.1038/074242a0
