This research used samples and data provided by the Ocean Drilling Program (ODP). ODP is sponsored by the U.S. National Science Foundation and participating countries under the management of the Joint Oceanographic Institutions, Inc. This project was partially funded by a U.S. Science Support Program grant to the second author and Center for Marine Science Contribution #256.
We are grateful to ODP for inviting our participation on Leg 185, to all members of the Shipboard Scientific Party of Leg 185 for their cooperation on board the ship, and to the ODP personnel and the Sedco crew who made Leg 185 a success. The first author is grateful to Dr. Yoshito Nakashima (Geological Survey of Japan, AIST, Japan) for providing X-ray CT imaging equipment.