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 United States Science Advisory Committee (USSAC) and NSF.
Thanks to Mark Kurz for making the mass spectrometer available, to Jerzy Blusztajn for help with the Sr isotope analyses, and to Lora Wingate for assistance with carbonate analyses. Stan Hart and Debra Stakes provided helpful reviews of the manuscript.