Journal
COMPTES RENDUS GEOSCIENCE
Volume 348, Issue 3-4, Pages 333-341Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crte.2015.11.006
Keywords
Central Pyrenees; Axial zone; Permian; Transtension; Pull-apart basin
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Funding
- Science and Innovation Ministry [MICINN], Spain [CGL2010-14869BTE, CGL2011-23755]
- Basque Country Government [POS 2014 2 56]
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The Anayet Basin, in the central Pyrenees, records a Stephanian-Permian continental succession including three Permian volcanic episodes. The absolute chronology of these rocks has allowed us to better constrain the early post-Variscan evolution of the Pyrenees. The transtensional regime responsible for the formation of the pull-apart Anayet Basin began at least in Stephanian times, the age of the first post-Variscan deposits in the area, and lasted until Late Permian. During Middle Eocene times, the Alpine Orogeny inverted the Anayet Basin and led to the formation of south-vergent chevron folds and axial plane penetrative cleavage. (C) 2015 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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