@inproceedings{inproceedingsb81e50cb, title = {Ash-flow caldera- and porphyry-related paleoproterozoic gold and base metal mineralizations in the Tapajós gold province: potencialities and exploration guidelines}, author = {Juliani, Caetano and Bettencourt, Jorge Silva and Monteiro, Lena Virgínia Soares}, year = {2005}, booktitle = {Simpósio Brasileiro de Metalogenia} }