Jaroslaw Stolarski¹, Ismael Coronado¹, Katarzyna Janiszewska¹, Jack Geary Murphy², John A Higgins³, Anne M Gothmann⁴, Maciej Mazur⁵ and Anders Meibom⁶, (1)Institute of Paleobiology, Polish Academy of Sciences, Warsaw, Poland, (2)Princeton University, Princeton, NJ, United States, (3)Princeton University, Department of Geosciences, Princeton, NJ, United States, (4)St. Olaf College, Environmental Studies and Physics, Northfield, MN, United States, (5)University of Warsaw, Department of Chemistry, Warsaw, Poland, (6)EPFL Swiss Federal Institute of Technology Lausanne, Lausanne, Switzerland