SHRIMP U-PB zircon geochronology of the felsic igneous rocks of the Costa Marques Region, SW Rondônia State, Brazil: magmatic and tectonic implications - Bettencourt, Jorge Silva; Leite Junior, Washington Barbosa; Payolla, Bruno Leonelo; Sato, Kei (South American Symposium on Isotope Geology, 2012)