Abstract
THE folspars constitute by far the most abundant group of the rock-forming minerals, and their im portance in petrographic description and classifica tion is correspondingly high. A translation of Dr. Chudoba's little handbook on the determination of the felspars in thin sections of rocks is therefore particularly welcome. The problems involved are often difficult, but the author has succeeded in giving simple and accurate descriptions of methods which adequately meet most of the practical requirements. The diagrams and photomicrographs, numbering fifty in all, are clear and effective and embody useful summaries of the diagnostic optical properties. The translation has been very successfully carried out and will be highly appreciated by students and practising petrologists.
The Determination of the Felspars in Thin Sections.
By Dr. Karl Chudoba. Translated Dr. W. Q. Kennedy. Pp. xii + 62. (London: Thomas Murby and Co.; New York: D. Van Nostrand Co., 1933.) Cloth, 6s. 6d. net; paper, 4s. 6d. net.
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[Short Notices]. Nature 134, 616 (1934). https://doi.org/10.1038/134616a0
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DOI: https://doi.org/10.1038/134616a0