国家自然科学基金项目41373049,41273050,40772067;中国地质调查局地质调查项目12120114064301,12120114064302,1212011020000150011;教育部博士点基金项目20125314110006;National Natural Science Foundation of China41373049,41273050,40772067;Program of the Geological Survey of China12120114064301,12120114064302,1212011020000150011;Doctoral Scientific Fund Program of the Education Ministry of China20125314110006