作者单位: | Xi’an Center of Geological Survey, China Geological Survey, Xi’an 710054, Shaanxi, China;Xi’an Center of Geological Survey, China Geological Survey, Xi’an 710054, Shaanxi, China;School of Earth Sciences and Resources, Chang’an University, Xi’an 710054, Shaanxi, China;Xi’an Center of Geological Survey, China Geological Survey, Xi’an 710054, Shaanxi, China;Xi’an Center of Geological Survey, China Geological Survey, Xi’an 710054, Shaanxi, China;Xi’an Center of Geological Survey, China Geological Survey, Xi’an 710054, Shaanxi, China |