作者单位:Yuejun Wang,Limin Zhang(Department of Earth Sciences,Sun Yat-Sen University,Guangzhou,510275,China)P.A.Cawood(Department of Earth Sciences,University of St.Andrews,St.Andrews,UK)Liyan Ma(College of Earth Sciences,Guilin University of Technology,Guilin,541004,China)Weiming Fan(Institute of Tibetan Plateau Research,Chinese Academy of Sciences,Beijing,100101,China)