Geochemistry of the Northern Paraná Continental Flood Basalt (PCFB) Province: implications for regional chemostratigraphy - Machado, Fábio Braz; Rocha Júnior, Eduardo Reis Viana; Marques, Leila Soares; Nardy, Antonio Jose Ranalli; Zezzo, Larissa Vieira; Marteleo, Natasha Sarde (Brazilian Journal of Geology, 2018)