Jodi M Fox^1,2, Trevor Falloon², Paul H Olin³, Rebecca Carey², Mike F Coffin^4,5 and Richard J Arculus⁶, (1)University of Tasmania, Institute for Marine and Antarctic Studies, Hobart, TAS, Australia, (2)University of Tasmania, Centre of Ore Deposits and Earth Sciences, Hobart, Australia, (3)University of Tasmania, Centre of Ore Deposit and Earth Sciences, Hobart, TAS, Australia, (4)University of Tasmania, Institute for Marine and Antarctic Studies, Hobart, Australia, (5)University of Maine, School of Earth and Climate Sciences, Orono, United States, (6)Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia