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Palaeozoic Basement of the Pyrenees


In the Pyrenees, the Cambrian-Lower Ordovician strata represent a quiescent time span with no remarkable tectonic activity, followed by a late Early-Mid Ordovician episode of uplift and erosion that led to the formation of the Sardic unconformity. Silurian sedimentation was widespread and transgressive followed by a Devonian succession characterized by a complex mosaic of sedi-mentary facies. Carboniferous pre-Variscan sediments (Tournaisian-Viséan cherts and limestones) precede the arrival of the synorogenic siliciclastic supplies of the Culm flysch at the Late Serpukhovian. All this succession was subsequently affected by the Serpukhovian-Bashkirian (Variscan) collision, as a result of which, the Palaeozoic rocks were incorporated into the northeastern branch of the Ibero-Armorican Arc.
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hal-02309572 , version 1 (09-10-2019)



Josep Maria Casas, J. J Álvaro, S. Clausen, Maxime Padel, C. Puddu, et al.. Palaeozoic Basement of the Pyrenees. Palaeozoic Basement of the Pyrenees, Springer, Cham, pp 229-259, 2019, Part of the Regional Geology Reviews book series (RGR), Print ISBN 978-3-030-10518-1 / Online ISBN 978-3-030-10519-8. ⟨10.1007/978-3-030-10519-8_8⟩. ⟨hal-02309572⟩
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