1. Department of Arctic Geology, University Centre in Svalbard PO Box 156, N-9171, Longyearbyen, Norway
2. Department of Geosciences, UiT The Arctic University of Norway, PO Box 6050 Langnes, N-9037 Tromsø, Norway
3. Department of Geosciences, University of Oslo PO Box 1047, Blindern, N-0316 Oslo, Norway
4. Store Norske Spitsbergen Kulkompani AS PO Box 613, N-9171 Longyearbyen, Norway
5. EP Skolithos Sisikveien 36, N-4022 Stavanger, Norway
6. Department of Geoscience and Petroleum, Norwegian University of Science and Technology, N-7491 Trondheim, Norway
7. Geological Survey of Denmark and Greenland Øster Voldgade 10, DK-1350 Copenhagen K, Denmark