Jiahao Zhong^1,2, Jiuhou Lei¹, Xinan Yue³, Xiaoli Luan¹ and Xiankang Dou¹, (1)University of Science and Technology of China, Hefei, China, (2)Sun Yat-sen University, Guangzhou, China, (3)Chinese Academy of Sciences, Institute of Geology and Geophysics, Beijing, China