The North China continental block and the Yangtze continental block are separated by the Xiangshuikou-Qianliyan deep fracture.

These patterns of extensional structures suggested that deformations of the Qinling continental block with special continental dynamics had been undergone shearing extension.

The Tarim basin was formed under control of the continental contage of Tarim block in Paleo-Asia continent and the open of Paleo-Tethys ocean. And rifting belt was formed in Tienshan-Jihei(C1-P1);