gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1991.055.378.18 Book Reviews Introduction to Metamorphic Textures and Microstructures Powell D. 3 1991 55 378 144 145 Barker A. J. Introduction to Metamorphic Textures and Microstructures 1989 Glasgow and London Blackie and New York (Chapman and Hall), vi +, Price £30.00 hardback, £13.95 paperback Copyright © 1991, The Mineralogical Society 1991