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 ...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).展开更多
Objective The Early Paleozoic tectonic events such as oceanic subduction and collision-orogeny in the North Altyn have been extensively studied.The Lapeiquan Group,distributed in the Hongliugou ophiolite melange belt(...Objective The Early Paleozoic tectonic events such as oceanic subduction and collision-orogeny in the North Altyn have been extensively studied.The Lapeiquan Group,distributed in the Hongliugou ophiolite melange belt(Fig.1),was interpreted to form along with the Ordovician Caledonian tectonic events.Based on few evidence of macrofossils。展开更多
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)
文摘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This work was financially supported by the Open Fund(grant No.PLC20180505)of State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Chengdu University of Technology and the National Natural Science Foundation of China(grant No.41502116).
文摘Objective The Early Paleozoic tectonic events such as oceanic subduction and collision-orogeny in the North Altyn have been extensively studied.The Lapeiquan Group,distributed in the Hongliugou ophiolite melange belt(Fig.1),was interpreted to form along with the Ordovician Caledonian tectonic events.Based on few evidence of macrofossils。