age migration
2.In the light of rock association, origin, age, deformation and metamorphism, disintegration and collage, migration and displacement, the "Litang Ophiolite Group" is redefined as the "Litang Ophiolitic Melange Group", which may be redivided into two formation complexes, i.e. the Kar Ophiolite Formation and Waneng Ophiolite Formation and five types of exotic blocks composed of clastics and marbles.
