Mauricio Santos-Andrade¹, Christian März², Andrea Burke¹, Sandra Arndt³, Patricia Roeser⁴ and James William Buchanan Rae¹, (1)University of St Andrews, School of Earth and Environmental Sciences, St Andrews, United Kingdom, (2)University of Bonn, Institute of Geosciences, Environmental Geology Research Group, Bonn, Germany, (3)Université libre de Bruxelles, BGeoSys, Department Geosciences, Environment & Society (DGES), Brussels, Belgium, (4)University of Bonn, Bonn, Germany