Isotope geochemistry and geochronology of the Nico Pérez Terrane, Rio de la Plata Craton, Uruguay Mallmann, G. ; Chemale, F., Jr. ; Ávila, J. N. ; Kawashita, K. ; Armstrong, R. A. Abstract Publication: Gondwana Research Pub Date: November 2007 DOI: 10.1016/j.gr.2007.01.002 Bibcode: 2007GondR..12..489M