Supplementary data

This supporting information provides: (1) Analytical Methods for whole-rock major and trace element compositions, titanite BSE imaging and major element analysis, titanite trace element analysis; (2) Figures S1-S5 to show whole-rock geochemistry and titanite U-Pb dating, trace elements and Sm-Nd isotopes of the syn-exhumation granites; (3) Tables S1-S6 of whole-rock major and trace element compositions, titanite major-trace element compositions, U-Pb isotope compositions and Nd isotope compositions.