Million-year-old groundwater revealed by krypton-81 dating in Guanzhong Basin, China

Affiliations

• ¹ Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China.
• ² Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China; University of Chinese Academy of Sciences, Beijing 100049, China. Electronic address: z.pang@mail.iggcas.ac.cn.
• ³ Hefei National Laboratory for Physical Sciences at Microscale, iChEM Center, University of Science and Technology of China, Hefei 230026, China.
• ⁴ Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China; University of Chinese Academy of Sciences, Beijing 100049, China.
• ⁵ Hefei National Laboratory for Physical Sciences at Microscale, iChEM Center, University of Science and Technology of China, Hefei 230026, China; Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences, Zhengding 050803, China.