下切谷的形成是构造运动和海(或湖)平面共同作用的结果。
The formation of entrenched valley is the mutual effect of tectonic movement and sea (lake) level.
低水位时期坡折带控制了下切谷-低位三角洲沉积体系的发育。
The depositional slope-break belt controls the development of sediment system of eroded valley-low stand delta.
下切谷由白垩纪早期准噶尔盆地南缘强烈的构造幕式挤压冲断作用导致的湖平面快速下降形成。
The back bulge slope belt in large compressional basins is the major area where large incised valleys are formed.
各层序分别由低位体系域的下切谷充填沉积的砂岩、砂砾岩，海侵体系的灰岩、泥灰岩、泥岩、煤和高位体系域的碎屑岩和煤组成。
Each sequence is composed of incised valley sandstone of low system tract, limestone, marl, coal and mudstone of transgressive system tract and clastics and coal of high system tract.
各层序分别由低位体系域的下切谷充填沉积的砂岩、砂砾岩，海侵体系的灰岩、泥灰岩、泥岩、煤和高位体系域的碎屑岩和煤组成。
Each sequence is composed of incised valley sandstone of low system tract, limestone, marl, coal and mudstone of transgressive system tract and clastics and coal of high system tract.
应用推荐