1. College of Resources and Environment, Jilin Agricultural University, Changchun, JL, China
2. College of Surveying and Exploration Engineering, Jilin Jianzhu University, Changchun, JL, China
3. Kuntuo Remote Sensing Services Co Ltd, Xining, QH, China
4. Qinghai Geological Survey Institute, Xining, QH, China
5. Key Laboratory of Geological Processes and Mineral Resources of the Northern Qinghai-Tibet Plateau, Xining, QH, China