18O records at Sites 1088, 1090, and 1092 with the reference signal from Site 607. Although these sites have lower sedimentation rates than the high-resolution ones (Sites 1089, 1093, and 1094), nearly all oxygen isotope stages are identifiable for the Pliocene-Pleistocene (Hodell et al., Chap. 9, this volume; Andersson et al., 2002).

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