The sandstones of the Turpan Basin belong mostly to graywacke and their compositional and textural maturity are generally low,indicating a strong erosional and rapid transportational environment.

吐-盆地的砂岩主要属杂砂岩类，总的结构成度和成分成度均较低，形成于强烈剥蚀、运的沉积环境中。