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,总的结构成熟度和成分成熟度均较低,形成于强烈
蚀、快速搬运的沉积环境中。
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盖茨比(
版) Many cases could be given of the lower beds of a formation having been upraised, denuded, submerged, and then re-covered by the upper beds of the same formation—facts, showing what wide, yet easily overlooked, intervals have occurred in its accumulation.
可以举出一个地层
下部地层被抬升、 
、淹没, 然后被同一地层
上部地层重新覆盖
许多案例— — 事实表明,在其积累过程中发生了多么宽阔但容易被忽视
间隔.