国家自然科学基金资助项目41372310;中国博士后基金项目2015M570671;中国地质大学武汉中央高校基本科研业务费专项资金资助项目No.1610491T07.This work was supported by the National Natural Science Foundation of China41372310;the China Postdoctoral Science Foundation2015M570671;the Fundamental Research Funds for National University,China University of GeosciencesWuhan1610491T07