The authors wish to thank Sylvia Salzmann, who helped prepare some of the samples, Florian Böhm, who generously offered us access to the material, Pat Quilty and two anonymous reviewers for constructive comments on the manuscript, and Paul Wallace and Mike Coffin, for deadline stretching. 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. Funding for this work was provided in part by German Federal Research Ministry (DFG) grants LA 1191/1-1 and -2 to DBL.