We gratefully acknowledge the work of the captain, crew members, technical staff, and the co-chiefs and staff scientist of Leg 178, who not only brought the JOIDES Resolution to Antarctica, but also kept us in good spirits during this time. We thank our families and friends for patiently enduring our absence during the cruise and for assistance in preparing this manuscript. We also thank R.G. Lucchi for the helpful discussion and advice during the review process. This research used samples and/or data provided by the Ocean Drilling Program (ODP). ODP is sponsored by the U.S. National Science Foundation (NSF) and participating countries under management of Joint Oceanographic Institutions (JOI), Inc. This research was supported by SPP DSDP/ODP grants Sta 401/6-1-2 and 401/8-1 of Deutsche Forschungsgemeinschaft.