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 National Aeronautics and Space Administration (NASA) Astrobiology Institute Subsurface Biospheres at University of Rhode Island, the U.S. Science Support Program of Joint Oceanographic Institutions (JOI), and the Deutsche Forschungsgemeinschaft (DFG Hi 616/4).