Timing of Indonesian Gateway Restriction Between 4.0 and 2.8 Ma and its Impact on Indian Ocean Surface Waters Based on Calcareous Nannoplankton Assemblages

Gerald Auer, JAMSTEC, Research Institute for Marine Resources Utilization (Biogeochemistry Program), Yokosuka, Japan, David De Vleeschouwer, MARUM- Center for Marine and Environmental Sciences and Department of Geosciences, University of Bremen, Bremen, Germany, Jeroen Groeneveld, MARUM - Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany, Kara Bogus, IODP, College Station, TX, United States, Jorijntje Henderiks, Uppsala University, Department of Earth Sciences, Uppsala, Sweden, Isla S. CastaƱeda, University of Massachusetts Amherst, Department of Earth, Geographic, and Climate Sciences, Amherst, MA, United States and IODP Expedition 356 Scientists, Texas A&M University College Station, College Station, TX, United States