Rhyacian (2.23–2.20 Ga)juvenile accretion in the southern São Francisco craton, Brazil: geochemical and isotopic evidence from the Serrinha magmatic suite, Mineiro belt - Ávila, Ciro Alexandre; Teixeira, Wilson; Cordani, Umberto G.; Moura, Cândido Augusto Veloso; Pereira, Ronaldo Mello (Journal of South American Earth Sciences, 2010)