171A Scientific Prospectus

Figure Captions

Figure 171A-1. Location map of 3D seismic survey. Locations of past and proposed drilling sites overlay gray tones of map showing seismic reflection amplitude of decollement and proto-decollement. Note that positive reflection polarities are white. Gray shading represents increasing negative reflection amplitudes.

Figure 171A-2. Large-scale cross sections through proposed sites. Depths are in meters. V.E. about 4:1. Black reflections are positive polarity and white reflections are negative polarity. Top: Cross section through NBR-8, NBR-9 (Site 949) to NBR-11 (Site 672). Bottom: Cross section from Site 947 through Site 948 and NBR-10 (Site 676) to NBR-11 (Site 672). LWD data exist for Sites 947 and 948 from Leg 156 ODP.

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