On the basis of Xuhuai depression formed in the early stage, E-W and NNE trending fracture are developed chiefly, which together make up of basis tectonic framework of the mine area.

• 在早期形成的徐淮拗陷基础上主要发育有东西向及北北东向的断裂,这些断裂共同构成了矿区的基本构造格架。断块内褶皱多为开阔短轴褶皱,并发育有次一级的北东向断层及层滑构造等。