Geochemical and Sr–Nd–Pb isotope constraints on the petrogenesis of the K-rich Pedra Branca Syenite: implications for the neoproterozoic post-collisional magmatism in SE Brazil - Carvalho, Bruna Borges; Janasi, Valdecir de Assis; Henrique-Pinto, R. (Lithos, 2014)