Figure F12. Line drawing of MCS profile AMG 845-08 from the Antarctic Peninsula margin, showing glacial Sequence Groups S1 and S2 overlying "preglacial" Sequence Group S3, and S4 (Larter and Barker, 1989, 1991b; Barker, 1995a). S1 and S2 are built from glacial sequence units shown schematically in Figure F2. (See also "Appendix," and Fig. AF1, both in the "Leg 178 Summary" chapter).