11:35 〜 11:55
*Yongxin Pan1,2、Changqian Cao1、Yao Cai1、Tongwei Zhang1、Caiyun Yang1,2、Huangtao Xu1,2 (1.Paleomagnetism and Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences、2.College of Earth Sciences, University of Chinese Academy of Sciences, Beijing)