Derya Gürer, University of Queensland, School of Earth and Environmental Sciences, Brisbane, Australia, Axel Gerdes, Goethe University Frankfurt, Institute of Geosciences, Frankfurt am Main, Germany, Richard Albert, Goethe University Frankfurt, Institute of Geosciences, Frankfurt, Germany and Christopher J Spencer, Curtin University, Earth Dynamics Research Group, The Institute for Geoscience Research (TIGeR), School of Earth and Planetary Sciences, Perth, WA, Australia