gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1969.037.287.21 Book Reviews Migmatites and the Origin of Granitic Rocks Pitcher W. S. 9 1969 37 287 431 432 Mehnert K. R. Migmatites and the Origin of Granitic Rocks Amsterdam Elsevier Publishing Co. 1968 x + 393 pp., 138 figs., 14 tables Copyright © 1969, The Mineralogical Society 1969