Trace element geochemistry and Sr-Nd characteristics of Mesoproterozoic mafic intrusive rocks from Rondônia, Brazil, SW Amazonian Craton: petrogenetic and tectonic inferences - Girardi, Vicente Antonio Vitorio; Teixeira, Wilson; Bettencourt, Jorge Silva; Andrade, Sandra; Navarro, Margareth Sugano; Sato, Kei (Episodes: Journal of International Geoscience, 2008)