1. Faculty of Earth Resources, China University of Geosciences, Wuhan 430074, China
2. Department of Geology and Geological Engineering, Colorado School of Mines, Golden, Colorado 80401, USA
3. Centre for Tectonics, Exploration and Resources, Department of Earth Sciences, University of Adelaide, Adelaide, SA 5005, Australia
4. School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China
5. School of Geosciences, Yangtze University, Wuhan 430100, China