Figure F80. Fe2O3 MgO, and H2O vs. SiO2 in peridotites from Site 1268. Also shown for comparison are end-member compositions for lizardite, talc, and tremolite (Deer et al., 1992) and Site 920 serpentinites (Cannat, Karson, Miller, et al., 1995; Dilek et al., 1997a).