Editorial

Evandro Klein

Presidential message

Esteves Pedro Colnago

A hydrothermal karst-hosted U-P deposit related to Pangea break-up: Itataia deposit, Borborema Province, Northeastern Brazil - a review

José Adilson D. Cavalcanti, Maria Dulcinea M.R. Bessa, Roberto Ventura Santos, Cesar U.V. Veríssimo, Clovis Vaz Parente

p. 43-60

Neoarchean, Rhyacian and Neoproterozoic units of the Saquinho region, eastern Rio Piranhas-Seridó domain, Borborema Province (northeastern Brazil): implications for the stratigraphic model

Rogério Cavalcante, Vladimir Cruz Medeiros, Alan Pereira Costa, Jaziel Martins Sá, Roberto Ventura Santos, Joseneusa Brilhante Rodrigues, Alexandre Ranier Dantas, Marcos Antonio Leite Nascimento, André Luiz Carneiro Cunha

p. 11-29

The Novo Progresso Formation, Tapajós Gold Province, Amazonian Craton: zircon U-Pb and Lu-Hf constraints on the maximum depositional age, reconnaissance provenance study, and tectonic implications

Evandro Klein, Stella Bijos Guimarães, Joseneusa Brilhante Rodrigues, Cesar Lisboa Chaves, Sulsiene Machado Souza-Gaia, Elem Cristina dos Santos Lopes, João Marcelo Rodrigues Castro

p. 31-42