1. MOE Key Laboratory of Orogenic Belts and Crustal Evolution, Peking University, Beijing 100871, China
2. School of Mining and Coal, Inner Mongolia University of Science and Technology, Baotou 014010, China
3. Key Laboratory of Ocean and Marginal Sea Geology, Chinese Academy of Sciences; South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
4. Sonid Jinxi Gold Mining Co. Ltd., Sonid Youqi 011200, China