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Evidence for the Unroofing History of Hercynian Granitoids in Central Portugal Derived from Late Palaeozoic and Mesozoic Sedimentary Zircons

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Advances in Fission-Track Geochronology

Part of the book series: Solid Earth Sciences Library ((SESL,volume 10))

Abstract

The Lusitanian Basin on the western Iberian margin comprises Mesozoic and Cenozoic sediments derived from the surrounding Precambrian to Lower Palaeozoic and Hercynian basement. Apatite fission-track data from Hercynian granitoids to the east of the basin show that the intrusives were being actively eroded throughout the Jurassic and Cretaceous; however, exactly when these rocks first became exposed and eroded is not clear. In this study we have attempted to reconstruct the erosional history of the granitoids of Central Portugal by examining the detrital zircon fission-track signatures contained within post-granite emplacement sediments.

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Authors and Affiliations

  1. Departamento de Ciências da Terra, Universidade de Coimbra, 3049, Coimbra Codex, Portugal

    A. J. S. C. Pereira, L. J. P. F. Neves & M. M. Godinho

  2. London Fission Track Research Group, Department of Geological Sciences, Birkbeck and University College London, Gower Street, London, WC1E 6BT, UK

    A. Carter & A. J. Hurford

Authors
  1. A. J. S. C. Pereira
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  2. A. Carter
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  3. A. J. Hurford
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  4. L. J. P. F. Neves
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  5. M. M. Godinho
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Editor information

Editors and Affiliations

  1. Geological Institute, University of Ghent, Belgium

    Peter van den Haute

  2. Institute for Nuclear Sciences, University of Ghent, Belgium

    Frans de Corte

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© 1998 Springer Science+Business Media Dordrecht

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Pereira, A.J.S.C., Carter, A., Hurford, A.J., Neves, L.J.P.F., Godinho, M.M. (1998). Evidence for the Unroofing History of Hercynian Granitoids in Central Portugal Derived from Late Palaeozoic and Mesozoic Sedimentary Zircons. In: van den Haute, P., de Corte, F. (eds) Advances in Fission-Track Geochronology. Solid Earth Sciences Library, vol 10. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-9133-1_11

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  • DOI: https://doi.org/10.1007/978-94-015-9133-1_11

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-4977-3

  • Online ISBN: 978-94-015-9133-1

  • eBook Packages: Springer Book Archive

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