Institution: | 1.Earth Sciences, University of Papua New Guinea, PO Box 414, University NCD, Papua New Guinea ;2.Horizon Oil (Papua) Ltd, PO Box 2062, Port Moresby, Papua New Guinea ;3.College of Asia and Pacific, Australian National University, Canberra, 2601, Australia ;4.Radiocarbon Dating Laboratory, University of Waikato, Hamilton, 3240, New Zealand ; |