Objective The Himalaya terrain together with the ribbon terrains(e.g.,Lhasa,Qiangtang,and Sibumasu blocks)of the Gondwana supercontinent has experienced episodic tectonic events since the Neoproterozoic.However,almost not any documentation with regard to the tectonic processes links the peri-Gondwana subduction between Objective The Himalaya terrain together with the ribbon terrains (eg, Lhasa, Qiangtang, and Sibumasu blocks) of the Gondwana supercontinent has experienced episodic tectonic events since the Neoproterozoic. Still, almost not any documentation with regard to the tectonic processes links the peri-Gondwana subduction between