作者单位:QIANG Liu,JUN fengZhang(Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China ;State Key Laboratory of Geological Processes and Mineral Resources, China University of Geoaciences, Wuhan 430074, China)J(O)RG Hermann(Research School of Earth Sciences, The Australian National University, Canberra 0200, Australia)SHU Zheng(State Key Laboratory of Geological Processes and Mineral Resources, China University of Geoaciences, Wuhan 430074, China)