乌依塔克组为海退阶段，形成杂色泥岩、粉砂岩夹砂岩、膏泥岩的潮间-潮上带沉积。
Wuytak Fm regression phase, the formation of variegated mudstone, siltstone sandstone and mudstone of tidal cream-supratidal sedimentary.
由于砂岩、泥岩、页岩、蒸发岩、杂色岩等多种软硬岩层互层结构和工程活动等因素的影响，沿着软弱结构面易发生滑坡、差异风化等工程地质问题。
The interbedding natures exist not only between red sandstone, mudstone and shale but also between red beds with coal seam, magmatite, evaporite and varied rock, respectively.
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