Derrick P Hasterok, University of Adelaide, Dept of Earth Sciences, Adelaide, SA, Australia, Matthew Gard, University of Adelaide, Adelaide, Australia, Saskia D B Goes, Imperial College London, Department of Earth Science and Engineering, London, United Kingdom, Derek Schutt, Colorado State University, Geosciences, Fort Collins, CO, United States and Samuel Jennings, University of Adelaide, Earth Sciences, Adelaide, Australia