gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1996.060.398.19 Book Reviews Clays in Crustal Environments: Isotope Dating and Tracing Iegler K. 2 1996 60 398 240 241 Clauer N. Chaudhuri S. Clays in Crustal Environments: Isotope Dating and Tracing 1995 Springer-Verlag Berlin, Heidelberg and New York 3 540 58151 0 xii + 359 pp., Price DM. 148.00 Copyright © 1996, The Mineralogical Society 1996