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<title lang=en>Geological record of flat slab-induced extension in the southern Peruvian forearc</title>
<creator>NOURY, Mélanie</creator>
<creator>PHILIPPON, Melody</creator>
<creator>Bernet, Matthias</creator>
<creator>Paquette, Jean-Louis</creator>
<creator>Sempere, Thierry</creator>
<contributor>Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Institut des Sciences de la Terre (ISTerre) ; Université Joseph Fourier - Grenoble 1 (UJF) - Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux (IFSTTAR) - Institut national des sciences de l'Univers (INSU - CNRS) - Institut de recherche pour le développement [IRD] : UR219 - PRES Université de Grenoble - Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry]) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Laboratoire Magmas et Volcans (LMV) ; Université Jean Monnet [Saint-Étienne] (UJM) - Institut de Recherche pour le Développement et la société - Université Clermont Auvergne (UCA) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<description>International audience</description>
<source>ISSN: 0091-7613</source>
<source>EISSN: 0091-7613</source>
<source>Geology</source>
<publisher>Geological Society of America</publisher>
<identifier>hal-01685553</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01685553</identifier>
<source>https://hal.archives-ouvertes.fr/hal-01685553</source>
<source>Geology, Geological Society of America, 2017, 45 (8), pp.723-726. 〈10.1130/G38990.1〉</source>
<identifier>DOI : 10.1130/G38990.1</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1130/G38990.1</relation>
<language>en</language>
<subject lang=en>Peruvian forearc</subject>
<subject lang=en>flat-slab induced</subject>
<subject>[SDU.STU.TE] Sciences of the Universe [physics]/Earth Sciences/Tectonics</subject>
<subject>[SDE.MCG] Environmental Sciences/Global Changes</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>The long-lived Andean subduction zone underwent several flat slab episodes and is therefore ideal to study the consequences of a complete cycle of slab flattening and steepening on the upper plate deformation pattern. In the modern Peruvian forearc (15°–17°S), slab flattening caused a Paleogene (52–30 Ma) landward migration of volcanic activity. Combining structural geology and a source-to-sink thermochronological study, we show that the flat slab period is contemporaneous with uplift accommodated by large-scale crustal extension in the forearc. In this light, we argue that the study area is an ancient analog to the modern Mexican and northern Peruvian forearcs located above modern flat slab segments and currently undergoing widespread extension.</description>
<date>2017-08-01</date>
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