1. Department of Geosciences and Natural Resource Management, Section of Geology University of Copenhagen Øster Voldgade 10, 1350 Copenhagen K Denmark
2. The Capital Region of Denmark, Centre for Regional Development Kongens Vænge 2, 3400 Hillerød Denmark
3. Geological Survey of Denmark and Greenland (GEUS) Øster Voldgade 10, 1350 Copenhagen K Denmark