Institution: | DONG ChunYan 1 , WAN YuSheng 1* , XU ZhongYuan 2 , LIU DunYi 1 , YANG ZhenSheng 2 , MA MingZhu 1 & XIE HangQiang 1 1 Beijing SHRIMP Center, Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China; 2 College of Earth Sciences, Jilin University, Changchun 130061, China |