We would like to thank all of the shipboard party of ODP Leg 199—ship's crew, drillers, technicians, and the scientific party—for their outstanding efforts to make the leg a success. Reviews by L. Peterson and W. Berger significantly improved the manuscript. This research used samples 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. The study was funded by JOI/U.S. Science Advisory Committee (USSAC) and NSF grant OCE-0240906.