Rebecca Woodrow, National Marine Science Centre, School of Environment, Science and Engineering, Southern Cross University, Coffs Harbour, NSW, 2450, Australia, Coffs Harbour, NSW, Australia, Prof. Isaac R Santos, University of Gothenburg, Department of Marine Sciences, Gothenburg, Sweden, Juliano Soares, Universidade Federal Fluminense, Geochemistry, Niteroi, Brazil and Christian J Sanders, National Marine Science Centre, School of Environment, Science and Engineering, Southern Cross University, Coffs Harbour, NSW, 2450, Australia, Coffs Harbour, Australia