ACKNOWLEDGMENTS

This research used samples and data supplied 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. This data report is sponsored by the Swiss National Science Foundation. We thank the reviewers, Astrid Foster and Jay Miller, for their thorough work and for providing valuable comments. Thanks also to Pauline Rais for helping with the coulometry.

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