A model for the Lower Tertiary framework and sequence system tract of Jiyang subbasin was established with the high-resolution sequence stratigraphy.
建立了济阳坳陷下第三系高精度层序地层格架和层序体系域的构成模式。
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。
Based on the principles of sequence stratigraphy, the paper described the basic characteristics of depositional system tract in the Lower Carboniferous.
本文根据层序地层学的基本原理，对塔里木盆地北部下石炭统沉积体系域的基本特征进行了描述。
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