@article{article7c45bc78, title = {Geology, petrography and geochemistry of the acid volcanism of the Paraná Magmatic Province in the Piraju-Ourinhos region, SE Brazil}, author = {Janasi, Valdecir de Assis and Montanheiro, Tarcísio José and Freitas, Vivian Azor de and Reis, Pedro Moraes and Negri, Francisco de Assis and Dantas, Fernanda Amaral}, year = {2007}, doi = {10.25249/0375-7536.2007374745759}, journal = {Revista Brasileira de Geociências} }