Zhao Zhidan, doctor, professor, doctoral supervisor. Majoring in petrology and geochemistry. Born in June, 1968 from Keshan County, Heilongjiang Province. 1990 graduated from the Department of Geochemistry of China Geo University (Wuhan), 1995 Ph.D. in Geochemistry of China Geo University (Wuhan), 1995- 1998 postdoctoral fellow, Institute of Geochemistry, Chinese Academy of Sciences. 1998 started to work in the School of Earth Sciences and Resources, China University of Geosciences in May, and cooperated with Professor Don DePaolo of Isotope Geochemistry Center, University of California, Berkeley in 2002-2003. Mainly engaged in petrology and geochemistry research in Qinghai-Tibet Plateau, West Qinling and other areas, and published more than 80 scientific research papers and 7 teaching research papers.