This grant 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 JOI/US Science Support Program (USSSP) and NSF (grant number OCE0099106). Thanks to Jurek Blusztajn and Tracy Abbruzzese for conducting the Sr isotope analyses at WHOI, Lary Ball and Ed Sholkovitz for help with the REE and trace element analyses at WHOI, Brian Schroeder for help with the mineral separation, and Matthew Cooper for conducting Sr isotope and trace metal analyses at SOC. This paper represents WHOI contribution number 11192.