Supplemental Material: Ultrahigh-pressure mantle metasomatism in continental collision zones recorded by post-collisional mafic rocks

EPMA analytical condition. Calculation of melting trajectories in Fig. 7B. Table S1: EPMA determined mineral compositions in the Shidao mafic dikes. Table S2: Major and trace compositions of the Early Cretaceous mafic rocks in Dabie–Sulu. Table S3: Major and trace compositions of the Alpine–Himalayan ultrapotassic rocks. Table S4: Partition coefficients for Rb and Sr between minerals and potassium-rich melts. Table S5: Run conditions, products and K2O, Na2O, Rb, Sr contents of the melt in the experiments of Foley et al. (1999, 2022). Table S6: Phase proportions and melting modes used in the non-modal fractional melting modelling. Table S7: Partition coefficients used in the non-modal fractional melting modelling.