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-哈盆地砂岩主要属杂砂岩类，构成熟度和成分成熟度均较低，形成于强烈剥蚀、快搬运沉积环境中。