1. Department of Geology Lund University Lund Sweden
2. Centre for Environmental and Climate Research Lund University Lund Sweden
3. UMR 6112 LPG‐BIAF Université d'Angers Université de Nantes CNRS Angers France
4. Woods Hole Oceanographic Institution Woods Hole MA USA
5. Now at University of Rhode Island Kingston RI USA
6. Now at Department of Earth and Environment WSP Sweden Malmö Sweden
7. Nanoscopium Synchrotron SOLEIL Saint‐Aubin Gif‐sur‐Yvette Cedex France
8. Department of Geosciences Swedish Museum of Natural History Stockholm Sweden