Diverse crustal components in pyroxenite xenoliths from Junan, Sulu orogenic belt: Implications for lithospheric modification invoked by continental subduction

Detailed mineralogical and geochemical studies have been carried out on a suite of pyroxenite xenoliths captured in a late Mesozoic basaltic dike from Junan, eastern Shandong, which is tectonically situated in the Sulu ultrahigh pressure orogenic belt. Two types of pyroxenites, namely websterite and garnet pyroxenite were identified according to their mineral assemblages. The equilibrium temperatures (828–935 °C) of websterite and garnet...