Abstract
AS a consequence of the modern developments of petrology, accurate chemical analyses of rocks, and of the component minerals of rocks, have become more than ever an urgent desideratum; and it is a fortunate coincidence that there has been at the same time a decided revival of mineral chemistry, so long overshadowed by that of the carbon compounds. Not only is the discovery of new rock-types continually providing fresh material, but also it has to be recognised that the older rock-analyses, admirable in their own time, no longer suffice for the requirements of the present day. The best modern analyses have the advantage of greatly improved methods of separation; and, further, they aim at a much greater thoroughness of treatment, often including estimations of twenty or more constituents, instead of the eight or nine which satisfied Bunsen and Delesse.
Analyse der Silikat- und Karbonatgesteine.
By W. F. Hillebrand; translated by E. Wilke-Dörfurt. Zweite Auflage. Pp. xvi + 258. (Leipzig: W. Engelmann, 1910.) Price 6 marks.
The Analysis of Silicate and Carbonate Rocks. A revision of Bulletin 305.
By W. F. Hillebrand. Bull. 422, U.S. Geol. Survey. Pp. 239. (Washington: 1910.)
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H., A. Analyse der Silikat- und Karbonatgesteine The Analysis of Silicate and Carbonate Rocks A revision of Bulletin 305. Nature 84, 425–426 (1910). https://doi.org/10.1038/084425a0
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DOI: https://doi.org/10.1038/084425a0