9:45 AM - 10:00 AM
*guoji wu1,2,3, Yongsheng HUANG2,1, Michihiko Nakamura4, Tatsuki Tsujimori4, Yuan Li5 (1.Guangzhou Institute of Geochemistry of the Chinese Academy of Sciences, 2.CAS Center for Excellence in Deep Earth Science, 3.College of Earth and Planetary Sciences, University of the Chinese Academy of Sciences, 4.Department of Earth Science, Graduate School of Science, Tohoku University, 5.Bayerisches Geoinstitut, University of Bayreuth)