The braided deltas in southern margin of Junggar basin as a significant type of sedimentary facies are mainly characterized by conglomerate,gravel sandstone and coarse,grained sandstone.

• 准噶尔盆地南缘的辫状河三角洲主要由砾岩、含砾砂岩和粗砂岩等粗碎屑岩组成,是本区重要的沉积相类型。