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,总的结构成熟度和成分成熟度均较低,形成于强烈
、快速搬运的沉积环境中。
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不起的盖茨比(
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
个
层的下部
层被抬升、 剥蚀、淹没, 然
被同
层的上部
层重新覆盖的许多案例— — 事实表明,在其积累过程中发生
多么宽阔但容易被忽视的间隔.