Mark J Hoggard^1,2, Karol Czarnota³, Fred Richards^2,4, David Huston⁵ and Lynton Jaques⁶, (1)Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States, (2)Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States, (3)Geoscience Australia, Canberra, ACT, Australia, (4)Imperial College London, Earth Science and Engineering, London, United Kingdom, (5)Geoscience Australia, Canberra, Australia, (6)Australian National University, Research School of Earth Sciences, Canberra, Australia