Contemporaneous alkaline and tholeiitic magmatism in the Ponta Grossa Arch, Paraná-Etendeka Magmatic Province: Constraints from U–Pb zircon/baddeleyite and 40 Ar/ 39 Ar phlogopite dating of the José Fernandes Gabbro and mafic dykes - Almeida, Vidyã Vieira; Janasi, Valdecir de Assis; Heaman, Larry M.; Shaulis, Barry; Hollanda, Maria Helena Bezerra Maia de; Renne, Paul (Journal of Volcanology and Geothermal Research, 2018)