The Planalto da Serra Alkaline-rock Complex: new 40Ar/30Ar ages and paleomagnetic results, and implications for the Gondwana formation - D'Agrella Filho, Manoel Souza; Trindade, Ricardo Ivan Ferreira da; Garcia, Mariana S. R.; Ruiz, Amarildo Salina; Bispo-Santos, Franklin; Hollanda, Maria Helena Bezerra Maia de (South American Symposium on Isotope Geology, 2018)