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<datestamp>2018-01-11</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Two successive crustal melting events resulting from extensionalexhumation and then thrusting of the Ronda Peridotites (South Spain)</title>
<creator>Frasca, Gianluca</creator>
<creator>Gueydan, Frédéric</creator>
<creator>Poujol, Marc</creator>
<creator>Brun,, Jean-Pierre</creator>
<creator>Parat, Fleurice</creator>
<creator>Al., Et</creator>
<contributor>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)</contributor>
<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>Collège de France (CdF)</contributor>
<description>International audience</description>
<source>European Geosciences Union General Assembly 2017</source>
<coverage>Vienne, Austria</coverage>
<contributor>European Geosciences Union</contributor>
<identifier>insu-01510393</identifier>
<identifier>https://hal-insu.archives-ouvertes.fr/insu-01510393</identifier>
<source>https://hal-insu.archives-ouvertes.fr/insu-01510393</source>
<source>European Geosciences Union General Assembly 2017, Apr 2017, Vienne, Austria. Geophysical Research Abstracts, 19, pp.EGU2017-5644, 2017</source>
<language>en</language>
<subject>[SDU.STU.TE] Sciences of the Universe [physics]/Earth Sciences/Tectonics</subject>
<type>info:eu-repo/semantics/conferenceObject</type>
<type>Poster communications</type>
<description lang=en>The Alboran Domain, situated at the western end of the Mediterranean subduction system, is characterized by theRonda Peridotites, one of the world largest exposures of sub-continental mantle. Using U-Pb (LA-ICP-MS) and Ar-Ar dating, we precisely dated two tectonic events associated with the Tertiary exhumation of the Ronda Peridotites.First, shearing along the Crust-Mantle Extensional Shear Zone caused, at ca. 22.5 Ma, mantle exhumation, localpartial melting in the deep crust and coeval cooling in the upper crust. Second, the Ronda Peridotites Thrusttriggered the final crustal emplacement of the peridotites onto the continental crust at ca. 21 Ma, as testified bygranitic intrusions in the thrust hanging-wall. The tectonic evolution of the western Alboran Domain is thereforecharacterized by a fast switch from a continental lithosphere extension in a backarc setting, with sub-continentalmantle exhumation, to a rift inversion by thrusting driven by shortening of the subduction upper plate</description>
<date>2017-04-23</date>
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