1. Marine Palynology and Paleoceanography, Laboratory of Palaeobotany and Palynology, Department of Earth Sciences, Faculty of GeosciencesUtrecht University Utrecht The Netherlands
2. Centre de recherche en géochimie et géodynamique (Geotop)Université du Québec à Montréal Montréal Quebec Canada
3. Department of Earth Sciences, Faculty of GeosciencesUtrecht University Utrecht The Netherlands
4. Department of Ocean SystemsNIOZ Royal Netherlands Institute for Sea Research Texel The Netherlands