作者单位:Yunshuai Li(China University of Geosciences Beijing,29 Xueyuan Road,Beijing 100083 PR China;State Key Laboratory for Continental Tectonics and Dynamics,Institute of Geology,Chinese Academy of Geological Sciences,26 Baiwanzhuang,Beijing 100037 PR China)Jianxin Zhang,Shengyao Yu(State Key Laboratory for Continental Tectonics and Dynamics,Institute of Geology,Chinese Academy of Geological Sciences,26 Baiwanzhuang,Beijing 100037 PR China)