Crust-mantle interaction in the central North China Craton during the Mesozoic: Evidence from zircon U-Pb chronology, Hf isotope and geochemistry of syenitic-monzonitic intrusions from Shanxi province

► In-situ zircon U-Pb dating results reveal that the syenitic-monzonitic complexes from Shanxi province, North China Craton were active in two episodes in the Triassic and Cretaceous. ► Whole-rock Sr, Nd and zircon Hf isotopic compositions prove that the parental magmas to these monzonites were produced through mixing of enriched mantle-derived and lower crustal-derived magmas. ► The Triassic and Cretaceous syenitic-monzonitic complexes were formed in extensional environments under different geodynamic settings.