泌阳凹陷是南襄盆地中的一个次级构造单元，为一南断北超式箕状凹陷。
Biyang depression is a secondary structural unit in Nanxiang Basin. The depression is in half-graben shape which faulted in the south part and overlapped in the north part.
应用层序地层学和沉积体系分析方法，建立了泌阳凹陷的等时地层单元。
By using the analytical method of sequence stratigraphy and sediment system, an isochronous unit of Biyang Depression was established.
因此泌阳凹陷复杂断鼻构造具备形成大面积油气富集区的地质条件。
Therefore, the complex fault block groups in Biyang depression have the geological conditions to form large hydrocarbon enrichment areas.
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