“…Previous studies on the Permian‐Middle Triassic magmatic and clastic rocks in SW China suggested that the Ailaoshan Ocean subducted eastward beneath the western South China Block during the Permian‐Middle Triassic (Hou et al, ; C. Huang, ; Qin et al, ; Z. L. Wang et al, ; M. Wang, Zhong, et al, ; D. Xu et al, , ; J. Yang et al, ; Z. Yang & He, ; Y. Zhang et al, ; Y.‐T. Zhong et al, ). For example, extensive arc‐type volcanic rocks were reported in southwestern China, such as the Late Permian (ca.…”