Affiliation: | 1. Geological Survey of Denmark and Greenland (GEUS), Øster Voldgade 10, DK-1350 Copenhagen K, Denmark;2. Department of Geography and Geology, University of Copenhagen, Øster Voldgade 10, DK-1350 Copenhagen K, Denmark;3. Geological Institute, University of Århus, Høegh Guldbergs Gade 2, DK-8000 Århus C, Denmark |