Under the action of "Emei mantle plume" and the extension of "Emei Taphrogeny",the Tarim-Yangtze Paleocontinent diverged and separated.

后经"峨嵋地幔柱"作用和二叠纪"峨嵋地裂运动"拉张,"塔里木—扬子古大陆"裂解、分离。