The conclusions show that the Permian deposition is in possession of characteristic of wide-folding and reverse faults after undergoing multiphase tectonic activity.

• 在遭受多期构造叠加改造后，残余的二叠纪构造层在盆地中表现为西南部残余厚度大，东北部残余厚度小的现今构造格局。