Gaobei Syncline is major fold,a lot of secondary fault later period Indo-China play a comtrol role to mine area mainly formed three decollement fault.

• 对矿区起控制作用的断层是滑覆断层。印支晚期主要形成三条滑覆断层;燕山早期形成高陂向斜;燕山中晚期形成南北边界逆断层,形成了高陂向斜南高北低格局。