The Karamaili Ocean was closed during the end of Middle Devonian.Post-collisional within-plate extension started since Early carboniferous, accompanied by rifting and formation of rift troughs.

• 早石炭世进入碰撞期后板内伸展阶段，形成一系列裂陷槽和裂谷，晚二叠世开始进入陆内造山阶段。