From the later Tertiary to Quaternery,the Chang mastrike-slip branch basin inversed and was pressed horizontally caused by the emplacement of the sinistral strke-slip Altyn fault.

• 晚第三纪到第四纪由于阿尔金断裂左行走滑运动，盆地反转,处于受挤压状态，形成走滑分枝盆地。