Figure 1. Schematic diagram of the Bahamas Transect showing the margin geometries, BDP boreholes Unda and Clino, and Leg 166 sites. Sites 1003 and 1007 are located at the lower slope and the toe of the slope, respectively. This prograding carbonate margin evolved from a low-angle, ramp-like geometry to a steep-sided (Sequences d-a) platform during the early Pliocene.