国家重点基础研究发展计划“973”计划项目2014CB744701;国家自然科学基金项目40972181,413032251;中国地质调查局项目12120114056901Support by National Basic Research Program "973" Programof China2014CB744701;National Natural Science Foundation of China40972181,413032251;Project of China Geological Survey12120114056901