4:30 PM - 4:45 PM
*Seiichi Miura1, Gou Fujie1, Taro Shirai1, Naoto Noguchi1, Eiichiro Araki1, Millard F. Coffin2, Simon A. Kawagle3, Ronald T. Verave4 (1.Japan Agency for Marine-Earth Science and Technology, 2.University of Tasmania, Australia, 3.University of Papua New Guinea, Papua New Guinea, 4.Mineral Resource Authority, Papua New Guinea)