The Carboniferous sequence (including the Permian in the upper part) and its sedimentary facies pattern indicate that the rocks were formed in a large basin opening toward the south.
北淮阳地区的石炭系甚至二叠系的层序和相带分布表明，它是代表一个向南开口的大型盆地。
Therefore, it is important to study the sedimentary characteristics and the distribution pattern of sedimentary facies in this area.
因此，详细开展滩海西部地区沉积特征及沉积相分布规律的研究具有重要的影响和意义。
Seismic geomorphology emphasizes the imaging of sedimentary bodies in relative geologic age domain, and characterizes the plane reflection pattern of seismic facies.
地震地貌学强调在相对地质年代域中对沉积体成像，表征了地震相的平面反射形态。
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