Lin Yangting(林杨挺) 1, Wang Daode(王道德)2 and Ouyang Ziyuan( 欧阳自远) 3
1 Key Laboratory of the Earth's Deep Interior, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China;
2 Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China;
3 Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China