TY - JOUR T1 - New high-precision 40Ar/39Ar ages for the Serra do Mar alkaline magmatism in the São Sebastião Island, SE Brazil, and implications JO - Brazilian Journal of Geology A1 - Giraldo-Arroyave, Maria Isabel A1 - Vlach, Silvio Roberto Farias A1 - Vasconcelos, Paulo Marcos SN - 2317-4889 UL - 10.1590/2317-4889202120210046 VL - 51 Y1 - 2021 PB - Brasil ER -