Palaeoreconstruction of Pangea During the Early Cretaceous, and Location of Volcanism in Córdoba and Misiones Provinces with Respect to Seismic Structures in the Lower Mantle

  • Silvia Leonor LagorioEmail author
  • Haroldo Vizán
  • Silvana Evangelina Geuna
Part of the SpringerBriefs in Earth System Sciences book series (BRIEFSEARTHSYST)


To analyse the possible geodynamical processes that caused the volcanism in Misiones Province (north-eastern Argentina) involved in the context of Paraná Magmatic Province and the Early Cretaceous basalts of Córdoba Province (central Argentina), an absolute reconstruction of Pangea was performed on the basis of 7 high-quality palaeomagnetic poles of South America and Africa that belong to the localities with aged volcanic rocks about 130 Ma. The rest of the continents that formed Pangea were reconstructed on the basis of reliable parameters that have been published by other authors. It was considered that Africa had not significant longitudinal movements from at least the Early Cretaceous since there was not any margin of subduction during the history of this continent which slabs could have determined a large convective cell causing a longitudinal drift of this plate. The palaeogeographic reconstruction was analysed in the framework of a well-known model of seismic anomalies in the lowermost mantle. Cratons and other continental domains older than the Late Palaeozoic were also considered, taking into account that the Early Cretaceous volcanism in South America and Africa could have been also conditioned by the old lithospheric architecture of these continental plates.


Early cretaceous Absolute palaeoreconstruction Pangea Volcanism Lowermost mantle Córdoba Misiones Argentina 


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© The Author(s) 2016

Authors and Affiliations

  • Silvia Leonor Lagorio
    • 1
    Email author
  • Haroldo Vizán
    • 2
  • Silvana Evangelina Geuna
    • 2
  1. 1.Instituto de Geología y Recursos MineralesServicio Geológico Minero Argentino (IGRM-SEGEMAR), Parque Tecnológico MigueleteSan Martín, Buenos AiresArgentina
  2. 2.IGEBA (CONICET-UBA)Departamento de Ciencias Geológicas. Facultad de Ciencias Exactas y Naturales, Universidad de Buenos AiresCiudad Autónoma de Buenos AiresArgentina

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