Supplemental Material: Tectonic burial of sedimentary rocks drives the building of juvenile crust of magmatic arc

Table S1: Chemical compositions of garnet from the studied pelitic migmatites (wt%). Table S2: Representative chemical compositions of main minerals from the studied pelitic migmatites (wt%). Table S3: Whole rock Sr-Nd isotopes and major element compositions of the studied pelitic migmatites, the Late Cretaceous arc magmatic rocks and Neo-Tethyan ophiolites. Table S4: Zircon U-Pb dating and trace element compositions of the pelitic migmatites and zircon standards. Table S5: Zircon Lu-Hf isotope and oxygen isotope compositions of the pelitic and mafic migmatites.