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<title lang=en>Plate acceleration: The obduction trigger?</title>
<creator>Agard, Philippe</creator>
<creator>Jolivet, Laurent</creator>
<creator>Vrielynck, Bruno</creator>
<creator>Burov, Evgenii, </creator>
<creator>Monie, Patrick</creator>
<contributor>Laboratoire de tectonique (LT) ; Université Pierre et Marie Curie - Paris 6 (UPMC) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Cergy Pontoise - 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>
<source>ISSN: 0012-821X</source>
<source>Earth and Planetary Science Letters</source>
<publisher>Elsevier</publisher>
<identifier>hal-00407960</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00407960</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00407960</source>
<source>Earth and Planetary Science Letters, Elsevier, 2007, 258 (3-4), pp.428-441. 〈10.1016/j.epsl.2007.04.002〉</source>
<identifier>DOI : 10.1016/j.epsl.2007.04.002</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.epsl.2007.04.002</relation>
<language>en</language>
<subject lang=fr>obduction</subject>
<subject lang=fr>plate velocities</subject>
<subject lang=fr>subduction</subject>
<subject lang=fr>blueschists</subject>
<subject lang=fr>supeplume</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>Obduction processes, though spectacular (dense oceanic ophiolites are emplaced on top of light, continental rocks along thousands of km), have been little elucidated since the advent of plate tectonics. Based on convergence velocities and blueschist formation, we show that the two recent large-scale, Upper Jurassic and Upper Cretaceous obductions coincided with periods during which velocities increased abruptly and more than doubled. The latter obduction also modified the interplate coupling across adjacent subduction zones. We critically propose a mechanism in which large-scale obductions are triggered by intraplate instabilities resulting from sharp plate accelerations, possibly in response to superplume events</description>
<date>2007</date>
</dc>
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