Lithosphere-asthenosphere interaction and the origin of Cretaceous tholeiitic magmatism in Northeastern Brazil: Sr-Nd-Pb isotopic evidence - Hollanda, Maria Helena Bezerra Maia de; Pimentel, Márcio Martins; Oliveira, Diógenes Custódio de; Jardim de Sá, Emanuel Ferraz (Lithos, 2006)