1. State Key Laboratory of Geological Processes and Mineral Resources; China University of Geosciences; Wuhan 430074 China
2. Faculty of Earth Resources; China University of Geosciences; Wuhan 430074 China
3. Institute of Geophysics and Geomatics; China University of Geosciences; Wuhan 430074 China
4. School of Environmental Studies, China University of Geosciences; Wuhan 430074 China