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Datación Sm-Nd del metamorfismo en ía Sierra de las Imanas (Sierras Pampeanas Occidentales, Argentina)
Galindo, Carmen; Murra, J.; Baldo, Edgardo G.; Casquet Martín, César; Rapela, C.; Pankhurst, R. J.; Dahlquist, J. A. (Sociedad Geológica de España, 2003)Sm-Nd garnet geochronology of a migmatite gneiss from the Sierra de las Imanas (Western Sierras Pampeanas) has provided a peak metamorphic age of 464.6 ± 4.5 Ma, i.e., Middle Ordovician, corresponding to the Famatinian ...