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豫西石炭二叠系中发育的大型缓倾断层具张性断裂性质,构造模型是由滚卷背斜及反向断层、犁式断层面、掀斜断块组成的多层次构造体系.它形成在中、新生代地壳拉伸背景下,由基底断块斜掀引起表层重力滑动的层间断裂构造.
Large-scale slow-dip faults developed in the Carboniferous Permian in western Henan are characterized by tensile fractures. The structural model is a multi-level structural system consisting of anticlinorium anticlinal and reverse faults, plow fault planes and overturned fault blocks. Under the background of Meso-Cenozoic crustal stretching, the intergranular fracture structure caused by gravitational sliding of the surface fault caused by the basal fault block tilting.