The authors wish to thank the Ocean Drilling Program for providing the samples for this investigation. 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.
We thank Ray Guillemette for his assistance with the electron microprobe and Noreen Evans of the Commonwealth Scientific and Industrial Research Organization (CSIRO) for the PGE analyses. The manuscript benefitted from reviews by Jamie Allan, Rob Zierenberg, and Jim Natland, and we thank them all for their input. This research was supported by USSSP grant #418925.