摘要
Objective The Yanyuan and Sichuan Basins,located at the southwestern margin of the Yangtze Block,are separated by the Kangdian Oldland.The provenance of the Upper Triassic sediments deposited in the Sichuan Basin has been extensively studied much based on detrital zircon UPb geochronology(Zhang et al,2016;Zhu et al.,2017;Yan et al.2019).
基金
financially supported by the Sichuan Science and Technology Program (grants No.2019YJ0468)
the Open Fund of State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology (grants No. PLC201604, PLC20180505)
the National Natural Science Foundation of China (grants No. 41502116and 41372114)
