Ductile and brittle shortening, extension‐parallel folds and maintenance of crustal thickness in the central Aegean (Cyclades, Greece)

Avigad, Dov; Ziv, A.; Garfunkel, Zvi

doi:10.1029/2000tc001190

Cited by 102 publications

(135 citation statements)

References 39 publications

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“…At the same time, the stress regime in the Cyclades changed rapidly with the development of a distributed strike-slip then compressional deformation [Ring et al, 1999a;Avigad et al, 2001;Menant et al, 2013]. The exact reason for this late Miocene E-W compression recorded in the Cyclades is unclear.…”

Section: Accepted Manuscriptmentioning

confidence: 99%

“…About 12 Ma ago, the whole Anatolide-Tauride block started to move westward, mostly accommodated by the dextral strike-slip NAF that propagated throughout the Pontides and reached the Dardanelle Strait 6-5 Ma ago (figures 8t-w) [Armijo et al, 1999;Şengör et al, 2005;Melinte-Dobrinescu et al, 2009]. However, as early as the late Miocene, distributed strike-slip then E-W compressive tectonics developed, probably as a result of this westward extrusion notably in western Anatolia along the Izmir-Balıkesir Transfer Zone [Ersoy et al, 2011] and in the Cyclades with the folding and local reactivation of detachments with a reverse movement [Avigad et al, 2001;Menant et al, 2013].…”

mentioning

confidence: 99%

“…Following this extensional tectonic regime, distributed strike-slip tectonics then E-W compression developed in the Cyclades in the late Miocene inducing folding and local reactivation of detachment planes as reverse faults (figure 5) [Ring et al, 1999a;Avigad et al, 2001;Menant et al, 2013].…”

mentioning

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%

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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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“…Angelier, 1977;Avigad et al, 2001;Gautier et al, 1993;Lecomte et al, 2010;Menant et al, 2013;Papanikolaou, 1980;Philippon et al, 2011Philippon et al, , 2012Urai et al, 1990). However, driving mechanisms, timing and amount of shortening in the E-W direction in the Aegean remain an ongoing matter of debate, and different hypotheses have been suggested.…”

Section: E-w Shorteningmentioning

confidence: 99%

Multiphase boudinage: a case study of amphibolites in marble in the Naxos migmatite core

2018

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Abstract. In multiply deformed terrains multiphase boudinage is common, but identification and analysis of these is difficult. Here we present an analysis of multiphase boudinage and fold structures in deformed amphibolite layers in marble from the migmatitic centre of the Naxos metamorphic core complex. Overprinting between multiple boudinage generations is shown in exceptional 3-D outcrop. We identify five generations of boudinage, reflecting the transition from high-strain high-temperature ductile deformation to medium-to low-strain brittle boudins formed during cooling and exhumation. All boudin generations indicate E-W horizontal shortening and variable direction of bedding parallel extension, evolving from subvertical extension in the earliest boudins to subhorizontal N-S extension during exhumation. Two phases of E-W shortening can be inferred, the first associated with lower crustal synmigmatic convergent flow and the second associated with exhumation and N-S extension, possibly related to movement of the North Anatolian Fault.

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“…Angelier, 1977;Avigad et al, 2001;35 Gautier et al, 1993;Lecomte et al, 2010;Menant et al, 2013;Papanikolaou, 1980;Philippon et al, 2011Philippon et al, , 2012Urai et al, 1990). However, driving mechanisms, timing and amount of shortening in E-W direction in the Aegean remain an ongoing matter of debate, and different hypotheses have been suggested.…”

Section: E-w Shorteningmentioning

confidence: 99%

Multiphase Boudinage: a case study of Amphibolites in Marble in the Naxos Migmatite core

Virgo

Hagke

Urai

2017

Solid Earth Discuss.

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In multiply deformed terrains, multiphase boudinage should be common, but identification and analysis of these is difficult.Here we present an analysis of multiphase boudinage and fold structures in deformed amphibolite layers in marble from the migmatitic center of the Naxos metamorphic core complex. Reconstruction of multiple boudinage generations is possible due to the exceptional 3D outcrop conditions. We identify five distinct generations of boudinage, reflecting the transition 10 from high-strain -high-temperature ductile deformation to medium to low strain brittle boudins on the retrograde path during cooling and exhumation. All boudin generations indicate E-W horizontal shortening and variable directions of bedding parallel extension, evolving from subvertical extension in the earliest boudins to subhorizontal N-S extension during exhumation. Two phases of E-W shortening can be inferred, indicating E-W shortening in the Aegean before activity of the brittle North Anatolian Fault. This study highlights the wealth of information that can be gained from detailed analysis of 15 multiphase boudinage structures.

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Ductile and brittle shortening, extension‐parallel folds and maintenance of crustal thickness in the central Aegean (Cyclades, Greece)

Cited by 102 publications

References 39 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

Multiphase boudinage: a case study of amphibolites in marble in the Naxos migmatite core

Multiphase Boudinage: a case study of Amphibolites in Marble in the Naxos Migmatite core

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