The study shows that several sedimentary centers appear in Mesozoic of this area,characterized by that the thickness in the west is bigger than that in the east and pinch-out toward the east.

• 侏罗系具有塔拉斯-费尔干纳断裂带内的断陷盆地和南天山、西昆仑山前坳陷两个沉积体系,它们之间具有明显的岩相差别。