David Reynolds¹, Emma Northey², Evgeny Genelt-Yanovskiy³, Anna Genelt-Yanovskaya³, Paul G Butler¹, Tamara Trofimova¹, Qian Huang⁴, Bernd R Schone⁴, Martina Conti⁵, James Scourse² and Kirsty Penkman⁵, (1)University of Exeter, Department of Earth and Environmental Sciences, Penryn, United Kingdom, (2)University of Exeter, Earth and Environmental Sciences, Penryn, United Kingdom, (3)Centre for Geography and Environmental Science, University of Exeter, Penryn, United Kingdom, (4)University of Mainz, Institute of Geosciences, Mainz, Germany, (5)Department of Chemistry, University of York, York, United Kingdom