According to tectonic zonation, the coal basin mainly restricted by secondary fault depression of NE reflex arc, meanwhile secondary EW and NE composite convergence existed.

从总的区域构造分布看，含煤盆地沉积主要受北东向反射弧的次一级断裂坳陷所制约，同时也存在着次一级的东西向与北东向复合交汇控制特征。

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The differential salt tectonic deformation is mainly represented by structural differentiation at different levels, and structural zonation and segmentation in transverse and longitudinal sections.

差异变形主要表现为纵向上不同层次变形的差异性以及平面上构造变形的分带性与分段性。

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