Figure F1. Bathymetric chart of the Antarctic Peninsula Pacific margin (after Rebesco et al., 1998) with Leg 178 sites marked (bathymetry in meters). SM = seamount.

Figure F2. Diversity of radiolarians from scrape samples from Hole 1098B. Diversity is calculated as (S-1)/lnN, where S = number of taxa and N = number of skeletons (Margalef, 1958).