gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1963.033.261.23 Book Reviews Theoretical Petrology LeMaitre R. W. 6 1963 33 261 532 532 Barth Tom F. W. Theoretical petrology New York and London John Wiley & Sons 1962 2nd edn. xi + 416 pp., 154 figs. Price 96s Copyright © 1963, The Mineralogical Society 1963