Affiliation: | 1 INGV Istituto Nazionale di Geofisica e Vulcanologia, Department of Palermo, Palermo, Italy2 Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China3 Key Laboratory of Petroleum Resources, Gansu Province/Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Lanzhou, China |