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-哈盆地的砂岩主要属杂砂岩类，总的结构熟分熟均较低，形于强烈剥、快速搬运的沉积环境中。