The late Permian it was changed into the back arc basin, and transformed into foreland basin.
晚二叠世末，该地区变成弧后盆地，进一步转化成前陆盆地。
The action must also have played an important role in the mass extinction during the Late Permian and early Triassic.
研究二叠纪末一三叠纪初生物大绝灭事件具有重要作用；
The Dalong Formation was deposited at the end of the late Permian when the maximum flooding surface occurred in the trough area.
海槽相区沉积在晚二叠统世末达到最大海泛面沉积了大隆组。
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