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Dive into the research topics where Volkan Karabacak is active.

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Featured researches published by Volkan Karabacak.


Geodinamica Acta | 2005

Determination of horizontal extension from fissure-ridge travertines: a case study from the Denizli Basin, southwestern Turkey

Erhan Altunel; Volkan Karabacak

Travertine deposits reflect some aspects of the regional tectonics because of the close association between travertine deposits and active fractures, that later of which provide conduits along which travertine-depositing waters may rise. Fissure-ridge travertines form above extensional fissures which are located in the hanging walls of normal faults, in step-over zones between fault segments, or in active or recently active) volcanic provinces. Numerous active and inactive fissure-ridge travertines are located in the hanging walls of normal faults in the Denizli Basin. A typical fissure-ridge comprises a central fissure along its long axis and flanking bedded travertines dipping away from the fissure. Central fissures of travertine ridges have been dilating since the initiation of the fissures. Samples from both the margins and centres of banded travertine deposits were dated by Th/U methods in order to determine dilation rates. Individual fissures have been dilating at average rates of between 0.008 and 0.1 mm yr–1 during travertine deposition, and ~ 0.001 and 0.007 mm yr–1 after cessation of travertine deposition. There is a noticable decrease in dilation rate from west to east in the Denizli Basin, and this decrease in dilation rate may be related to decrease in overall extension in southwest Turkey, which decreases eastward.


Geological Society, London, Special Publications | 2011

Formation of fault-related calcite precipitates and their implications for dating fault activity in the East Anatolian and Dead Sea fault zones

P. Nuriel; Gideon Rosenbaum; T. I. Uysal; Jian-xin Zhao; S. D. Golding; R. Weinberger; Volkan Karabacak; Y. Avni

Abstract Fault-related calcite precipitates taken from different segments along the East Anatolian (SE Turkey) and Dead Sea (Israel) fault zones were investigated structurally, geochemically and geochronologically. The results indicate major differences in the nature of calcite precipitates and temporal relationship to faulting. In the Düziçi Fault, calcite-filled veins and hydraulic fractures precipitated co-seismically during three consecutive faulting events. Calcite precipitated in veins at the Har Zefiyya Fault was controlled by near-surface karst processes. Initial opening of the veins occurred prior to about 500 ka and may represent the onset of an east–west contractional deformation. In the Carmel Fault Zone the calcite coating the fault plane precipitated by karst processes, with no evidence of subsequent deformation. Calcite fault gouge from the same site are a mix of host-rock gouge and newly formed authigenic calcite, and their overall geochemistry suggests pervasive fluid–rock interaction in the fault zone. In the Baraq Fault Zone the precipitation of calcite within syntectonic tension gashes and veins occurred prior to 540 ka by the pervasive infiltration of meteoric water into the fault zone. The results demonstrate that geochemical and structural analyses, combined with U–Th geochronology, can shed light on co-seismic and inter-seismic fault activity, and can potentially provide precise age constraints on the timing of brittle deformation.


Journal of Seismology | 2016

Seismic damage in the Lagina sacred area on the Mugla Fault: a key point for the understanding of the obliquely situated faults of western Anatolia

Volkan Karabacak

The western Anatolia extension region consists of major E-W trending normal faults and numerous subsidiary faults aligned obliquely to major fault systems. In this paper, the NW-SE trending Mugla Fault was studied through an archaeoseismological analysis of the Lagina sacred area, which was supported by geological and geomorphological field evidence collected along the fault zone. The sacred area is cut by fractures that have caused extensive deformations and displacements in ruins along the fault. The orientations of collapsed columns, folding on the grounds, dilation, and tilting of the walls are systematic. The axes of the observed deformations are perpendicular to the Mugla Fault and could be related to coseismic effects. Although there are no historical records of a large earthquake on the Mugla Fault, the results of thermoluminescence and radiocarbon dating in the Lagina sacred area indicate that a large event occurred in the 4th c.ad or slightly later. Thus, considering the field evidence that has been collected along the Mugla Fault, it can be concluded that subsidiary faults aligned obliquely to major normal fault systems have strike-slip components and may be associated with a significant portion of the recent dynamics in western Anatolia.


Earth and Planetary Science Letters | 2007

U-series dating and geochemical tracing of late Quaternary travertine in co-seismic fissures

I. Tonguç Uysal; Yuexing Feng; Jian-xin Zhao; Erhan Altunel; Dion Weatherley; Volkan Karabacak; Oya Cengiz; S. D. Golding; Michael G. Lawrence


Tectonophysics | 2006

Historical earthquake activity of the northern part of the Dead Sea Fault Zone, southern Turkey

H. Serdar Akyüz; Erhan Altunel; Volkan Karabacak; Çağlar Yalçıner


Earth and Planetary Science Letters | 2006

Clay mineralogical and isotopic (K–Ar, δ18O, δD) constraints on the evolution of the North Anatolian Fault Zone, Turkey

I. Tonguç Uysal; Halim Mutlu; Erhan Altunel; Volkan Karabacak; S. D. Golding


Tectonophysics | 2010

Field evidences from northern Dead Sea Fault Zone (South Turkey): New findings for the initiation age and slip rate

Volkan Karabacak; Erhan Altunel; Mustapha Meghraoui; Hüsnü Serdar Akyüz


Journal of Archaeological Science | 2009

New temple discovery at the archaeological site of Nysa (western Turkey) using GPR method

C.Ç. Yalçiner; Maksim Bano; Musa Kadioglu; Volkan Karabacak; Mustapha Meghraoui; Erhan Altunel


Earth and Planetary Science Letters | 2011

Monitoring aseismic surface creep along the North Anatolian Fault (Turkey) using ground-based LIDAR

Volkan Karabacak; Erhan Altunel; Ziyadin Cakir


Geophysical Journal International | 2009

Archaeological sites (Tell and Road) offset by the Dead Sea Fault in the Amik Basin, Southern Turkey

Erhan Altunel; Mustapha Meghraoui; Volkan Karabacak; Serdar Akyüz; Matthieu Ferry; Çağlar Yalçıner; Marc Munschy

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Erhan Altunel

Eskişehir Osmangazi University

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Önder Yönlü

Eskişehir Osmangazi University

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Çağlar Yalçıner

Eskişehir Osmangazi University

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Cahit Çağlar Yalçıner

Çanakkale Onsekiz Mart University

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H. Serdar Akyüz

Istanbul Technical University

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Hüsnü Serdar Akyüz

Istanbul Technical University

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Jian-xin Zhao

University of Queensland

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S. D. Golding

University of Queensland

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