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This study investigates the geological evolution of the Araçuaí-Ribeira Orogenic System (AROS) in southeastern Brazil, focusing on the complex history of high-grade metamorphism and magmatism during the assembly of western Gondwana. It reveals that remnants of an Early Tonian island arc and Ediacaran granitic intrusions are present in the Caxixe batholith, with significant crustal contamination indicated by isotopic data. The findings contribute to understanding the tectonic processes and accretionary event

Author

Elisandro Altoé

Language

EN