Affiliation: | Geological Survey of Norway, PB 3006 Lade, N-7002 Trondheim, Norway;Department of Geology, University of Western Australia, Nedlands, Perth, WA 6009, Australia;Institute of Geophysics, University of Bergen, N-5014 Bergen, Norway;British Petroleum, Britannic House, Moor Lane, London EC2Y9BU, UK |