Julia Seidenstein, University of Massachusetts Amherst, Amherst, MA, United States, R Mark Leckie, Univ Massachusetts, Amherst, MA, United States, Robert M Mckay, Victoria University of Wgtn, Wellington, New Zealand, Laura De Santis, Ist Nazionale Oceanografia, Sgonico, Italy, Denise K Kulhanek, T, International Ocean Discovery Program, College Station, TX, United States and IODP Expedition 374 Scientists