作者单位:章军峰(中国地质大学地球科学学院,武汉 430074 Department of Earth Sciences and Institute of Geophysics & Planetary Physics,University of California,Riverside,CA92521,USA)金振民(中国地质大学地球科学学院,武汉 430074)H.W.Green Ⅱ,Krassimir N.Bozhilov(Department of Earth Sciences and Institute of Geophysics & Planetary Physics,University of California,Riverside,CA92521,USA)