ACKNOWLEDGMENTS

We thank Helge Arz and Lydia Dupont (both at GEO Bremen) for their careful and helpful reviews of the draft version of this paper. The work was supported by a grant from USSAC, administered by Texas A&M as part of the Ocean Drilling Program.

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 the management of Joint Oceanographic Institutions (JOI), Inc.

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