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-哈盆地的砂岩主砂岩，总的结构成熟度和成成熟度均较低，形成强烈剥蚀、快速搬运的沉积环境中。