Supplementary text from Seasonal migration of marsupial megafauna in Pleistocene Sahul (Australia–New Guinea) J. PriceGilbert FergusonKyle J. WebbGregory E. FengYue-xing HigginsPennilyn NguyenAi Duc ZhaoJian-xin Joannes-BoyauRenaud LouysJulien 2017 Supplementary text concerning geochronology and geochemical interpretations