173 Scientific Prospectus



Figure 2. Composite seismic time section created from the track segments of, from west to east, the Sonne, JOIDES Resolution, and Lusigal profiles shown in Figure 1. The irregular surface is the top of the acoustic basement. Basement was sampled at Sites 897, 899, and 900 during Leg 149. The nature of basement (oceanic, transitional, extended continental) is indicated; at Site 901 it is inferred. Proposed Sites IBERIA07A, IBERIA08A/B, IBERIA09A/B, and IBERIA10A are also indicated. IBERIA07A lies slightly to the north of this profile..

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