1. Key Laboratory of Orogenic Belt and Crust Evolution, Ministry of Education, School of Earth and Space SciencesPeking University Beijing China
2. Department of Geological SciencesUniversity of Florida Gainesville FL USA
3. State Key Laboratory of Continental Dynamics, Department of GeologyNorthwest University Xi'an China
4. Sino Shaanxi Nuclear Industry Group Geological Survey Co, Ltd. Xi'an China