1. State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, People's Republic of China
2. Key Laboratory of Geological Engineering of Guangxi Province, Resource and Environment Engineering, Guilin Technology College, Guilin 541004, People's Republic of China
3. Physics of the Earth, Sciences B, University of Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain