U-Pb shrimp zircon, Ar/ Ar geochronology and Nd isotopes from gneissic and granitoid rocks of the Illescas Massif, Peru a southern extension of a fragmented late Paleozoic orogen?
Agustin Cardona Umberto G Cordani (Umberto Giuseppe) 1938-; Allen Nutman; South American Symposium on Isotope Geology (6. 2008 Bariloche)
Proceedings, VI SSAGI - South American Symposium on Isotope Geology [Buenos Aires, Argentina]: INGEIS - Instituto de Geocronología y Geología Isotópica, 2008 Em CD-ROM
Buenos Aires, Argentina INGEIS - Instituto de Geocronología y Geología Isotópica 2008
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Application of the 40 Ar/ 39 Ar methodology in the study of tectonic reactivations of shear zones romeral fault system in the central Cordillera of Colombia
César Javier Vinasco Vallejo Umberto G Cordani (Umberto Giuseppe) 1938-; P Vasconcelos; South American Symposium on Isotope Geology (4. 2003 Salvador)
Short Papers Salvador: CBPM/IRD, 2003 p. 138-141
Salvador CBPM/IRD 2003
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Geochronological constraints for the evolution of the metamorphic complexes near the Tebicuary river, southern precambrian region of Paraguay
Umberto G. Cordani (Umberto Giuseppe) 1938- N Cubas; Kei Sato; M E Gonzales; J L B Presser; South American Symposium on Isotope Geology (3. 2001 Pucón)
Extended Abstracts Santigo: Sociedad Geológica de Chile, 2001
Santiago Sociedad Geológica de Chile 2001
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The magmatism of the Itajaí basin, SC - southern Brazil, and its importance to define the proterozoic-phanerozoic limit
Miguel Angelo Stipp Basei 1948- Oswaldo Siga Júnior 1953-; Umberto G Cordani (Umberto Giuseppe) 1938-; Kei Sato; Patricia S Lima; South American Symposium on Isotope Geology (2. 1999 Cordoba)
Actas Cordoba : SEGEMAR, 1999
Cordoba SEGEMAR 1999
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