Slab detachment beneath eastern Anatolia: A possible cause for the formation of the North Anatolian fault

Faccenna, Claudio; Bellier, Olivier; Martinod, Joseph; Piromallo, Claudia; Regard, Vincent

doi:10.1016/j.epsl.2005.11.046

Cited by 367 publications

(259 citation statements)

References 59 publications

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“…The exact reason for this late Miocene E-W compression recorded in the Cyclades is unclear. Models of backarc extension simply driven by slab roll-back do not predict compression in this region [Gautier et al, 1999;Faccenna et al, 2006;Philippon et al, 2014;Sternai et al, 2014]. Competition between slab roll-back, extrusion and mantle flow may render the distribution of stresses in the back-arc lithosphere quite complex, warranting new investigations on the interactions between extrusion tectonics and back-arc extension.…”

Section: Accepted Manuscriptmentioning

confidence: 99%

“…Tethyan active margin and do not specifically focus on the smaller-scale eastern Mediterranean region, where subduction, collision, obduction, slab roll-back and tearing processes have occurred since the Mesozoic [Le Pichon and Angelier, 1979;Şengör and Yilmaz, 1981;Jolivet and Faccenna, 2000;Jolivet et al, 2003;Faccenna et al, 2006Faccenna et al, , 2013Brun and Faccenna, 2008;Ring et al, 2010;Brun and Sokoutis, 2010;Jolivet and Brun, 2010]. Detailed kinematic reconstructions…”

Section: Introductionmentioning

confidence: 99%

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Kinematic reconstructions and magmatic evolution illuminating crustal and mantle dynamics of the eastern Mediterranean region since the late Cretaceous

2016

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Section: Accepted Manuscriptmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Kinematic reconstructions and magmatic evolution illuminating crustal and mantle dynamics of the eastern Mediterranean region since the late Cretaceous

2016

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“…[43] Advocates of mantle-controlled 2-D models for back-arc basin opening have proposed shortlived mechanisms that could produce the observed style of episodic opening, namely, (1) slab detachment [Faccenna et al, 2006] or (2) the intersection of the subducted slab with the 660-km-deep transition zone between the upper and lower mantle [Faccenna et al, 2001a[Faccenna et al, , 2001bSchellart, 2004]. However, it is not yet proven that these mechanisms actually are responsible for back-arc episodicity.…”

Section: Review Of Previous Models Formentioning

confidence: 99%

Collisional model for rapid fore‐arc block rotations, arc curvature, and episodic back‐arc rifting in subduction settings

Wallace

Ellis

Mann

2009

Geochem Geophys Geosyst

104

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[1] We review geophysical and geological data from 23 active and ancient plate boundaries to document a compelling spatial and temporal relationship between collision, plate boundary curvature, rapid tectonic rotations, and the occurrence of back-arc rifting. Our observations support a conceptual model where the change from subduction to collision causes rapid fore-arc rotation (when viewed in a reference frame relative to the bounding tectonic plates), leading to marked plate boundary curvature. Our global compilation reveals that most active back-arc rifts are associated with rapidly rotating fore arcs and nearby collisions. Thus, we propose that collision and rapid fore-arc rotations play a major role in the evolution and kinematics of back-arc basins. We conduct numerical modeling to better understand the physical processes behind these observed rapid tectonic rotations at convergent margins. Our results suggest that the presence of an indentor or choke point in the subduction system (e.g., collision) can generate rapid rotation of the fore arc about a nearby pole and lead to back-arc rifting. The rate of fore-arc rotation and back-arc rifting depends on the incoming indentor velocity and can be greatly enhanced by slab rollback and the presence of a low-viscosity back arc. Where viscosity of the back arc is low, fore-arc rotation dominates; where back-arc viscosity is high, the formation of strike-slip faults and tectonic escape dominates. Our observational and model-derived results illustrate that shallow crustal forces produced by the entry of buoyant features into subduction zones are a fundamental mechanism for the generation of fore-arc block rotations, plate boundary curvature, back-arc rift evolution, and tectonic escape in subduction systems. Rollback of the subducting slab within the mantle will certainly enhance the processes we describe but it is not the only driving force. Wallace, L. M., S. Ellis, and P. Mann (2009), Collisional model for rapid fore-arc block rotations, arc curvature, and episodic back-arc rifting in subduction settings, Geochem. Geophys. Geosyst., 10, Q05001,

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“…Mascle and Martin, 1990;Brun and Sokoutis, 2010), combined with the propagation of the North Anatolian fault into the Aegean region since about ca. 5 Ma (Armijo et al, 1996;Faccenna et al, 2006). Recent studies showed that stretching of the Aegean lithosphere took place in a distinctly episodic fashion, not in a manner that can be described as continuous or progressive (e.g.…”

mentioning

confidence: 99%

Receiver function images of the Hellenic subduction zone and comparison to microseismicity

et al. 2015

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Slab detachment beneath eastern Anatolia: A possible cause for the formation of the North Anatolian fault

Cited by 367 publications

References 59 publications

Kinematic reconstructions and magmatic evolution illuminating crustal and mantle dynamics of the eastern Mediterranean region since the late Cretaceous

Kinematic reconstructions and magmatic evolution illuminating crustal and mantle dynamics of the eastern Mediterranean region since the late Cretaceous

Collisional model for rapid fore‐arc block rotations, arc curvature, and episodic back‐arc rifting in subduction settings

Receiver function images of the Hellenic subduction zone and comparison to microseismicity

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