Sr-Nd constraints and trace-elements geochemistry of selected Paleo and Mesoproterozoic mafic dikes and related intrusions from the South American Platform: Insights into their mantle sources and geodynamic implications - Girardi, Vicente Antonio Vitorio; Teixeira, Wilson; Mazzucchelli, Maurizio; Corrêa da Costa, Paulo Cesar (Journal of South American Earth Sciences, 2013)