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 management of Joint Oceanographic Institutions (JOI), Inc.
Discussions with David Christie and Paul Wallace during the postcruise meeting are much appreciated. Daniel Curewitz provided critical comments and a fruitful review on earlier versions of this manuscript. Discussions with Teruaki Ishii and Hidetsugu Taniguchi were very fruitful. The manuscript was reviewed and revised by James Brophy, Pat Castillo, and Jay Miller, to whom the author is grateful. Thanks are also due to Naoko Suyeda, who prepared most of the thin sections analyzed in this study.