1. College of Earth Sciences, Jilin University, Changchun, China
2. Key Laboratory of Mineral Resources Evaluation in Northeast Asia, Ministry of Natural Resources of China, Changchun, China
3. Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, Ontario, Canada
4. College of Earth Sciences, Northeast Petroleum University, Daqing, China
5. Department of Earth Sciences, Kunming University of Science and Technology, Kunming, China