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<title lang=en>The interaction between Aegean back-arc extension and Anatolia escape since Middle Miocene</title>
<creator>Philippon, Melody</creator>
<creator>Brun, Jean-Pierre</creator>
<creator>GUEYDAN, Frédéric</creator>
<creator>Sokoutis, Dimitrios</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>Sytèmes Tectoniques ; Géosciences Rennes (GR) ; Université de Rennes 1 (UR1) - Institut national des sciences de l'Univers (INSU - CNRS) - Observatoire des Sciences de l'Univers de Rennes (OSUR) - Centre National de la Recherche Scientifique (CNRS) - Université de Rennes 1 (UR1) - Institut national des sciences de l'Univers (INSU - CNRS) - Observatoire des Sciences de l'Univers de Rennes (OSUR) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Department of Geosciences and PGP ; University of Oslo (UiO)</contributor>
<description>International audience</description>
<source>ISSN: 0040-1951</source>
<source>EISSN: 1879-3266</source>
<source>Tectonophysics</source>
<publisher>Elsevier</publisher>
<identifier>insu-01066042</identifier>
<identifier>https://hal-insu.archives-ouvertes.fr/insu-01066042</identifier>
<identifier>https://hal-insu.archives-ouvertes.fr/insu-01066042/document</identifier>
<identifier>https://hal-insu.archives-ouvertes.fr/insu-01066042/file/Philippon-brun-tect-2014-HAL.pdf</identifier>
<source>https://hal-insu.archives-ouvertes.fr/insu-01066042</source>
<source>Tectonophysics, Elsevier, 2014, 631, pp.176-188. 〈10.1016/j.tecto.2014.04.039〉</source>
<identifier>DOI : 10.1016/j.tecto.2014.04.039</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.tecto.2014.04.039</relation>
<language>en</language>
<subject lang=en>Back-arc extension</subject>
<subject lang=en>Anatolia escape</subject>
<subject lang=en>Hellenic trench retreat</subject>
<subject lang=en>Reactivation of suture zone</subject>
<subject lang=en>North Anatolian fault</subject>
<subject>[SDU.STU] Sciences of the Universe [physics]/Earth Sciences</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>The Aegean domain is a key area for understanding the processes of back-arc extension. Observed deformation pattern and present day kinematics result from the interaction between the southward retreat of the Hellenic trench and the westward escape of Anatolia. Lithosphere-scale analogue models were employed to display that the overall pattern of Aegean extension requires not only the combination of trench retreat and Anatolia escape since middle Miocene but also the presence of an inherited lithosphere-scale mechanical discontinuity: the Vardar Suture Zone (VSZ). The reactivation in dextral shear of the eastern branch of the VSZ accommodates both the trench retreat (NS stretching) and the westward escape of Anatolia (EW shortening) in the Cyclades area since middle Miocene. Additionally, our model shows that the North Anatolian Fault (NAF) is a late structure in the evolution of the Aegean, initiated around 10 Ma after the onset of Anatolia escape. The displacement field at the surface of the model allows the identification of sub-domains, which result from strain partitioning instead of being "rigid microplates", directly comparable to the present-day displacement field (GPS) of the Aegean and western Anatolia. Our model provides a simple but powerful way to look at the dynamics of Aegean extension in two main stages. From middle Eocene to middle Miocene, extension was only driven by the southward retreat of the Hellenic trench at a rate lower than 1 cm*y− 1. Since middle Miocene, the combination of slab rollback with Anatolia westward escape resulted in a southwest direction of trench retreat, with an accelerating rate of up to 3 cm*y− 1.</description>
<date>2014</date>
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