supported by the Natural Science Foundation of China(Grant No.41272212);National Basic Research Program of China(Grant No.2009CB421001);a 973 match grant from CRCG of the University of Hong Kong and the 111Project(Grant No.B07011)
The Yidun Group extends from the Shangri-La region to the south and the Changtai region to the north,and is an important component of the Triassic Yidun arc in the eastern Tibetan plateau.It is composed of the Lieyi,Q...