The authors would like to thank the ODP staff, A. Ribbens, and the crew of the JOIDES Resolution. We would also like to extend our gratitude to William Showers at North Carolina State University and Marshall Otter at Geochron Laboratories for assistance with stable isotope analysis. Steven J. Burns and John S. Compton provided a number of invaluable suggestions for improving this manuscript. This research was funded by a JOI/USSAC Ocean Drilling Fellowship to NMR.