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. Funding for this research was provided by the NSF (OCE-9910418) and the David and Lucile Packard Foundation. We thank Thomas Sullivan, Persistor Corporation, for assistance with implementation of the QSPI interface on the CF1. Jerry Dickens and Alexi Milkov provided helpful reviews.