1. Southampton Oceanography Centre, Challenger Division for Seafloor Processes, European Way, Empress Dock, Southampton, Hampshire, SO14 3ZH, UK. Formerly at: Postgraduate Research Institute for Sedimentology, University of Reading, Whiteknights, Reading, Berkshire, RG6 2AB, UK.
2. Petronas Research and Scientific Services Sdn Bhd, Lot 1026, PKNS Industrial Estate, Hulu Kelang, 54200 Selangor Darul Ehsan, Malaysia. Formerly at: Geophysics Group, Department of Geology, Imperial College of Science, Technology and Medicine, Prince Consort Road, London SW7 2BP, UK.