The Maxian fault formed at the early stage was a normal one and it reversed in Late Jurassic-Cretaceous period, forming the main oil source fracture in Pingdingshan area.

• 形成时间较早的马仙断裂早期为正断裂，在晚侏罗世-白垩纪发生反转，是马海平顶山地区主要的油源断裂；