1. College of Earth Sciences; Chengdu University of Technology; Chengdu 610059 China
2. Institute of Mineral Resources; Chinese Academy of Geological Sciences; Beijing 100037 China
3. CODES, ARC Centre of Excellence in Ore Deposits; University of Tasmania; Tasmania 7001 Australia
4. Department of Geology and Geological Engineering; Université Laval; Quebec City G1V0A6 Canada