Ophiolite is fragments of oceanic lithosphere formed by obduction and its formation age is very important for reconstructing the formation and evolution of an-cient oceanic basin and the configuration of ancient plate tectonics. The Yarlung Zangbo suture Ophiolite is fragments of oceanic lithosphere formed by obduction and its formation age is very important for reconstructing the formation and evolution of an-cient oceanic basin and the configuration of ancient plate tectonics. The Yarlung Zangbo suture