Mainly consisting of sandstones and pebbled sandstones with minor siltstone and mudstone partings, the lower Lower Jurassic Abe Formation in Kuche depression is subaqueous distributary channel deposit of braided delta.

• 塔里木盆地库车拗陷下侏罗统阿合组主要由砂岩和含砾砂岩组成,夹少量粉砂岩及泥岩。