%0 Conference Paper %A Rapela, Carlos W. %A Pankhurst, R.J. %A Baldo, Edgardo G. %A Casquet Martín, César %A Galindo Francisco, María Del Carmen %A Fanning, C.M. %A Saavedra, Julio %T Ordovician metamorphis in the Sierras Pampeanas: New U-Pb shrimp ages in Central-East Valle Fértil and the Velasco Batholith. %D 2001 %U https://hdl.handle.net/20.500.14352/61111 %~