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TITLE: New insights from U-Pb zircon dating of Early Ordovician magmatism on the northern Gondwana margin: The Urra Formation (SW Iberian Massif, Portugal)  Full Text
AUTHORS: Sola, AR; Pereira, MF ; Williams, IS; Ribeiro, ML; Neiva, AMR ; Montero, P; Bea, F; Zinger, T;
PUBLISHED: 2008, SOURCE: TECTONOPHYSICS, VOLUME: 461, ISSUE: 1-4
INDEXED IN: Scopus WOS