Supplemental Materials about TIMA imges，major and trace geochemistry of typical minerals， and zircon U-Pb age for kyanite-bearing pelitic granulite.

Fig. S1 Thin-section scans of kyanite-bearing pelitic granulite (sample 22LBW19-1.3) with mineral identification performed by TIMA
Table S1 Mineral volume and mass percentages of selected thin-section (sample 22LBW19-1.3)
Table S2 XRF whole-rock compositions of kyanite-bearing pelitic granulite.
Table S3 Mineral major element compositions of kyanite-bearing pelitic granulite.
Table S4 Major element compositions of the perthite obtained from EPMA, and reintegrated compositions of feldspars (Pl and Kfs) with areal proportions.
Table S5 Zr contents of rutile determined by LA-ICP-MS, and calculated temperature by Zr-in-rutile thermometry.
Table S6 Results of LA-ICPMS zircon U–Pb dating and trace element analysis from kyanite-bearing pelitic granulite.