Abstract:
Table S1. Representative chemical compositions of minerals in the UHT granulites from the Grove Mountains, East Antarctica.
Table S2. LA-ICP-MS U-Pb isotope and trace element data for zircons of UHT granulites from the Grove Mountains.
Table S3. LA-ICP-MS U-Pb isotope and trace element data for monazites of UHT granulites from the Grove Mountains.
Table S4. LA-ICP-MS in situ biotite Rb-Sr analysis results for the UHT samples and standard sample ZBH-25.
Figure S1. Melt and garnet content variation diagrams for (a–b) MSW59J-3A2, (c–d) MSW24-1A, and (e–f) MSW22-3A.
Figure S2. Microstructural characterisation of representative zircon in BSE and CL images for UHT pelitic granulites (a) MSW59J-3A2, (b) MSW24-1A, and (c) MSW22-3A. These images show complex internal textures, including fractures, dissolution pits along grain boundaries (yellow arrows), spherical to irregular porosity (green arrows), mineral inclusions (blue arrows), and zircon replacement fronts.
Figure S3. Representative zircon CL images for (a) MSW59J-3A2, (b) MSW24-1A, and (c) MSW22-3A. Yellow arrows indicate evidence of melt-mediated coupled dissolution–precipitation replacement reactions.
User Contributed Keyword(s):
UHT metamorphism; P-T-t path; petrochronology; Gondwana assembly; East Antarctica