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<title lang=en>Transpressional tectonics and Carboniferous magmatism in the Limousin, Massif Central, France:structural and 40Ar/39Ar investigations.</title>
<creator>Gébelin, Aude</creator>
<creator>Brunel, Maurice</creator>
<creator>Monié, Patrick</creator>
<creator>Faure, Michel</creator>
<creator>Arnaud, Nicolas</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 d'Orléans (ISTO) ; Institut national des sciences de l'Univers (INSU - CNRS) - Université d'Orléans (UO) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<source>ISSN: 0278-7407</source>
<source>Tectonics</source>
<publisher>American Geophysical Union (AGU)</publisher>
<identifier>hal-00104212</identifier>
<identifier>https://hal-insu.archives-ouvertes.fr/hal-00104212</identifier>
<identifier>https://hal-insu.archives-ouvertes.fr/hal-00104212/document</identifier>
<identifier>https://hal-insu.archives-ouvertes.fr/hal-00104212/file/2005TC001822.pdf</identifier>
<source>https://hal-insu.archives-ouvertes.fr/hal-00104212</source>
<source>Tectonics, American Geophysical Union (AGU), 2007, 26 (2), pp.TC2008. 〈10.1029/2005TC001822〉</source>
<identifier>DOI : 10.1029/2005TC001822</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1029/2005TC001822</relation>
<language>en</language>
<subject lang=en>French Massif Central.</subject>
<subject lang=en>40Ar/39Ar dating</subject>
<subject lang=en>microtectonics</subject>
<subject lang=en>mylonite</subject>
<subject lang=en>granite</subject>
<subject lang=en>Variscan orogeny</subject>
<subject lang=en>French Massif Central</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>New structural, microstructural, and 40Ar/39Ar data from the NW Massif Central (France) provide additional constraints on the timing and tectonic setting of late Variscan granite magmatism. Previous studies had emphasized the role of late orogenic extension in the emplacement of granite plutons in the Limousin region. In contrast, the new data set is consistent with syntectonic emplacement of magma in a dextral simple shear active from 350 to 300 Ma in a transpressional regime. As an alternative hypothesis to late orogenic extension, we propose that magmas migrated into tensional bridges between active P shears associated with a lithospheric shear zone comparable to a pop-up structure. The Galician region, in the western end of the Ibero-Armorican tectonic arc, exhibits major left-lateral ductile shear zones which can be interpreted as conjugate structures to the Limousin and Armorican shear zones. Citation: Ge´belin, A., M. Brunel, P. Monie´, M. Faure, and N. Arnaud (2007), Transpressional tectonics and Carboniferous magmatism in the Limousin, Massif Central, France: Structural and 40Ar/39Ar investigations</description>
<date>2007</date>
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