1. School of Environmental Sciences; University of East Anglia; Norwich UK
2. Now at Division of Geology and Geophysics; Kangwon National University; Chuncheon South Korea
3. Now at Department of Earth Sciences; University College London; London UK
4. CEris, ICIST, Instituto Superior Tecnico; Universidade de Lisboa; Lisboa Portugal
5. Department of Earth and Environmental Sciences; University of Michigan; Ann Arbor Michigan USA
6. Shell International Exploration and Production; Aberdeen UK
7. Department of Earth Sciences; University of Oxford; Oxford UK