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Late/Post Variscan Orocline Formation and Widespread Magmatism

  • Arlo WeilEmail author
  • D. Pastor-Galán
  • S. T. Johnston
  • G. Gutiérrez-Alonso
Chapter
Part of the Regional Geology Reviews book series (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.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Arlo Weil
    • 1
    Email author
  • D. Pastor-Galán
    • 2
  • S. T. Johnston
    • 3
  • G. Gutiérrez-Alonso
    • 4
    • 5
  1. 1.Department of GeologyBryn Mawr CollegeBryn MawrUSA
  2. 2.Center for Northeast Asian Studies, Tohoku UniversitySendaiJapan
  3. 3.Earth and Atmospheric Sciences, University of AlbertaEdmontonCanada
  4. 4.Departamento de GeologíaUniversidad de SalamancaSalamancaSpain
  5. 5.Geology and Geography DepartmentTomsk State UniversityTomskRussian Federation

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