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Late/Post Variscan Orocline Formation and Widespread Magmatism

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The Geology of Iberia: A Geodynamic Approach

Part of the book series: Regional Geology Reviews ((RGR))

Abstract

The Paleozoic geology of Iberia is dominated by the tectonics of the Variscan orogeny and its aftermath. This defining geologic event was the result of large-scale collision that involved amalgamation of multiple continents and micro-continents, the closure of oceanic basins and eventual orogenic collapse, and finally modification and oroclinal bending during the waning stages of Pangea amalgamation. Existing data from the western Variscan orogen, suggests oroclinal bending of an originally near-linear convergent margin during the last stages of Variscan deformation occurred in the late Paleozoic. Earlier closure of the Rheic Ocean resulted in E-W shortening (in present-day coordinates) in the Carboniferous, producing a N-S trending, east verging belt. Subsequent deformation near the Carboniferous-Permian boundary resulted in oroclinal bending. This late-stage orogenic event remains an enigmatic part of Iberia’s Paleozoic history.

Coordinator: Arlo Weil.

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Authors and Affiliations

  1. Department of Geology, Bryn Mawr College, Bryn Mawr, PA, USA

    Arlo Weil

  2. Center for Northeast Asian Studies, Tohoku University, Sendai, Japan

    D. Pastor-Galán

  3. Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB, Canada

    S. T. Johnston

  4. Departamento de Geología, Universidad de Salamanca, Salamanca, Spain

    G. Gutiérrez-Alonso

  5. Geology and Geography Department, Tomsk State University, Lenin Street 36, Tomsk, 634050, Russian Federation

    G. Gutiérrez-Alonso

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  1. Arlo Weil
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  2. D. Pastor-Galán
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  3. S. T. Johnston
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  4. G. Gutiérrez-Alonso
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Correspondence to Arlo Weil .

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  1. Instituto Geológico y Minero de España (IGME) and Faculty of Geological Sciences, Universidade Complutense de Madrid, Madrid, Spain

    Cecilio Quesada

  2. LNEG, Amadora, Portugal

    José Tomás Oliveira

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Weil, A., Pastor-Galán, D., Johnston, S.T., Gutiérrez-Alonso, G. (2019). Late/Post Variscan Orocline Formation and Widespread Magmatism. In: Quesada, C., Oliveira, J. (eds) The Geology of Iberia: A Geodynamic Approach. Regional Geology Reviews. Springer, Cham. https://doi.org/10.1007/978-3-030-10519-8_14

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