Early Paleozoic high-Mg diorite-granodiorite in the eastern Kunlun Orogen, western China: Response to continental collision and slab break-off

Phanerozoic high-Mg diorites and granodiorites are known to be related to diverse subduction styles at convergent margin settings but have not been linked to collision processes. The Santonggou complex in the eastern Kunlun Orogen is composed of a dominant granodiorite intruded by small stocks and dykes of porphyritic granodiorites and diorites, which are all characterized by high MgO and Ni but low Yb and Y contents. Mafic microgranular...