This work was supported by the National Natural Science Foundation of China(Nos.41676048,U1701641,41776072,and 91328205);the Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou)(No.GML 2019ZD0205);the Innovation Academy of South China Sea Ecology and Environmental Engineering(No.ISEE 2020YB07).
Since the recognition of the Indosinian orogeny in northern Vietnam,Triassic orogens have been widely identified around the western and southwestern boundaries of the South China block.The paleo-Tethys sutures stretch...