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. Funding for this research was provided by U.S. Science Support Program and NSF grant OCE-0240906. Carbon analysis performed by Linda Kenoyer and Brandi Murphy. Opal analysis performed by Brandi Murphy.