Institution: | LI Hongyang~1, YANG Zhusen~1, GAO Zhenmin~1, LUO Taiyi~1, DING Zhenju~1 and YAN Shenghao~2 1. Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China; 2. Institute of Mineral Deposits, Chinese Academy of Geological Sciences, Beijing 100037, China |