Kate Elizabeth Robertson^1,2, Stephan Thiel^1,2, Alison L. Kirkby³, Graham S Heinson⁴, Jingming Duan³, Stacey Curtis¹ and Tom Wise⁵, (1)Geological Survey of South Australia, Adelaide, Australia, (2)University of Adelaide, Adelaide, Australia, (3)Geoscience Australia, Canberra, Australia, (4)The University of Adelaide, Adelaide, SA, Australia, (5)Geological Survey of South Australia, Adelaide, SA, Australia