1 | Natural History Museum, University of Oslo, PO Box 1172 Blindern, NO-0316, Oslo, Norway |
2 | School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom |
3 | Department of Geoscience, University of Oslo, PO Box 1047 Blindern, NO-0316 Oslo, Norway |
4 | CASP, West Building, Madingley Rise, Madingley Road, Cambridge, CB3 0UD, United Kingdom |
5 | Geological Survey of Norway, Postal Box 6315 Torgarden, NO-7491 Trondheim, Norway |