This work is part of a Master of Science thesis project by K. Fontilea at California State University Northridge (CSUN; USA). This research used samples, data, and funding provided by the Ocean Drilling Program (ODP), which is sponsored by the U.S. National Science Foundation and participating countries under management of Joint Oceanographic Institutions (JOI), Inc. K.M. Marsaglia received additional funding from CSUN, and K. Fontilea received additional support from the Eisenhower Foundation.