DONG Shuwen, WU Hongling, LIU Xiaochun, XUE Huaimin) Chinese Academy of Geological Sciences, Baiwanzhuang Road, Beijing,) Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing,.2002. On Continent-Continent Point-Collision and Ultrahigh-Pressure Metamorphism[J]. Acta Geologica Sinica,76(2):163-172