Dr. Fanyu Qi, majored in mineral deposit study, is an engineer of Development and Research Center, China Geological Survey engaged in digital geological data management. Xiaolei Li,majored in mineral deposit study, is an engineer of Development and Research Center, China Geological Survey engaged in digital geological data management. Yuntao Shang, majored in mineral deposit study, is an engineer of Development and Research Center, China Geological Survey engaged in digital geological data management. Jie Meng, majored in mineral deposit study, is an engineer of Development and Research Center, China Geological Survey engaged in digital geological data management. Xuezheng Gao, is an engineer of Development and Research Center, China Geological Survey engaged in digital geological data management. Zhaoyu Kong, is an engineer of Development and Research Center, China Geological Survey engaged in digital geological data management. Haixin Li, engineer, computer application, engaged in digital geological data work in the information center of Foshan Geological Bureau, Guangdong Province. Haifei Yan, bachelor, major in Geology and Mineral Resources, is an engineer in Geological Information Center ECE, engaged in digital geological data management.