Late Permian to Triassic rifting and subsidence resulted in the deposition of as much as 9 kilometers of Triassic strata, locally injected with sills.

• 二叠纪晚期到三叠纪断裂和下沉作用形成了大约9千米厚的第三纪沉积地层，在其中有岩床的切入。