@inproceedings{inproceedings188595c2, title = {U/Pb zircon age and litogeochemistry of the Rio Negro complex tonalitic gneiss: evidence of a 630 Ma magmatic arc at the costeiro domain of the ribeira belt}, author = {Tupinamba, Miguel and Teixeira, Wilson and Heilbron, Monica and Basei, Miguel Angelo Stipp}, year = {1998}, publisher = {SBG-MG}, booktitle = {Congresso Brasileiro de Geologia} }