作者单位: | School of Earth Science and Resources, Chang’an University, Xi’an 710054, Shaanxi, China;The Qingdao Geological Engineering Investigation Institute, Qingdao 266071,Shandong, China;School of Earth Science and Resources, Chang’an University, Xi’an 710054, Shaanxi, China;School of Earth Science and Resources, Chang’an University, Xi’an 710054, Shaanxi, China |