*Iona McIntosh¹, Cornel de Ronde², Susan Humphris³, Tobias Höfig⁴, Agnes Reyes², the IODP Expedition 376 Scientists (1.Japan Agency for Marine-Earth Science and Technology, 2.GNS Science, New Zealand, 3.Woods Hole Oceanographic Institution, USA, 4.International Ocean Discovery Program, Texas A&M University, USA)