The Caledonian Kunlun-Qinling oceanic basin was not a successor of the Proterozoic oceanic basins, but came from a rift in the Cambrian, and was closed during the Silurian.

• 摘要昆仑-秦岭带加里东旋回的洋盆不是从元古代继承下来的，而是由寒武纪裂谷发展而来的，它在志留纪即宣告封闭；