@article{article4d091620, title = {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}, author = {Almeida, Vidyã Vieira and Janasi, Valdecir de Assis and Heaman, Larry M. and Shaulis, Barry J. and Hollanda, Maria Helena Bezerra Maia de and Renne, Paul R.}, year = {2018}, doi = {10.1016/j.jvolgeores.2017.01.018}, journal = {Journal of Volcanology and Geothermal Research} }