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类，总的结构成度和成分成度均，成于强烈剥蚀、快速搬运的沉积环境中。