We thank Andrea Klaue for her help in the sample preparation, Carmen Nezat for the ICP-OES analyses, and Ted Huston for the ICP-MS analyses. Thanks are due to Chris Eastoe at the University of Arizona for the nitrogen and carbon isotope analyses. We also thank Lloyd Snowdon for the rock-eval analyses.
This research used samples and 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. A grant to P.A.M. from the U.S. Sciences Support Program helped fund this study.
We thank Adam Klaus and an anonymous reviewer for providing helpful and constructive reviews of this manuscript.