Late Cenozoic tectonics and stratigraphy of northwestern Anatolia: the effects of the North Anatolian Fault to the region

Elmas, Ali̇

doi:10.1007/s00531-003-0322-2

Cited by 43 publications

(52 citation statements)

References 62 publications

(89 reference statements)

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“…The presence of a Quaternary waterway on the line of Izmit Gulf-Lake Sapanca-Lower Sakarya valley has also been considered by recent studies (e.g. Meriç, 1995bMeriç, ,c, 1997Meriç, , 2000Meriç et al, 1995;Ryan and Pitman, 1998;Ç agatay et al, 2000, 2003Kerey et al, 2004a,b). Moreover, over the past 2500 years, information about natural and artificial water connections between the Marmara Sea and Lake Sapanca in the Izmit-Sapanca part of the claimed route has been reported by several ancient writers (e.g.…”

Section: Introductionmentioning

confidence: 94%

Science versus myth: was there a connection between the Marmara Sea and Lake Sapanca?

Gürbüz

Leroy

2010

J Quaternary Science

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The existence of an alternative strait between the Black and Marmara Seas, east of today's Istanbul Strait, on the route of Izmit Gulf-Lake Sapanca-Lower Sakarya Valley, was already claimed at the end of the 19th century and has also been considered in several recent studies. Firstly, in historical documents over the last 2500 years, some natural and artificial waterways between the Marmara Sea and Lake Sapanca have been reported. Secondly, according to the present geomorphological research between the Izmit Gulf and Lake Sapanca, the gutter-like morphology, which was formed by the tectonics of the North Anatolian Fault in the centre of the plain, is suggested as a suitable geomorphic feature for a possible waterway between the gulf and the lake. Thirdly, the Izmit Plain that lies between the Izmit Gulf and Lake Sapanca is studied in this paper through its sedimentology. The facies associations of the basin-fill deposits are examined here through the lithological descriptions and fossil assemblages in nine cores drilled in the plain. All these data suggest that the shoreline in the Quaternary did not lie much further landward from its current position, that the inner part of the plain was covered by a lagoon/coastal-swamp environment and that a connection may have existed at an unknown time (perhaps for the last time during the Middle/Late Pleistocene) with perhaps only partial reuse during the last millennia in the course of catastrophic seismic movements and consecutive floods.

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Section: Introductionmentioning

confidence: 94%

Science versus myth: was there a connection between the Marmara Sea and Lake Sapanca?

Gürbüz

Leroy

2010

J Quaternary Science

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“…To the south, in the area to the northwest of Tekirdag, the existence of another fault is observed on the magnetotelluric profile of Bayrak et al (2004). The fault, which is overlain by the Late Neogene-Quaternary deposits of the basin (Burke et al, 1974), and has mainly a south-verging thrust component (Perinçek, 1991), is evaluated as a southern fault system on the Central Thrace strike-slip fault zone (Elmas, 2003(Elmas, , 2012 Fig. 1(a)).…”

Section: Structural Elements In Southwestern Thracementioning

confidence: 99%

Imaging of subsurface lineaments in the southwestern part of the Thrace Basin from gravity data

Aydoğan¹,

Pınar²,

Elmas³

et al. 2013

Earth Planet Sp

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Linear anomalies, as an indicator of the structural features of some geological bodies, are very important for the interpretation of gravity and magnetic data. In this study, an image processing technique known as the Hough transform (HT) algorithm is described for determining invisible boundaries and extensions in gravity anomaly maps. The Hough function implements the Hough transform used to extract straight lines or circles within twodimensional potential field images. It is defined as image and Hough space. In the Hough domain, this function transforms each nonzero point in the parameter domain to a sinusoid. In the image space, each point in the Hough space is transformed to a straight line or circle. Lineaments are depicted from these straight lines which are transformed in the image domain. An application of the Hough transform to the Bouguer anomaly map of the southwestern part of the Thrace Basin, NW Turkey, shows the effectiveness of the proposed approach. Based on geological data and gravity data, the structural features in the southwestern part of the Thrace Basin are investigated by applying the proposed approach and the Blakely and Simpson method. Lineaments identified by these approaches are generally in good accordance with previously-mapped surface faults.

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“…The modern morphology of the Marmara region, which consists of the Marmara Sea and its surroundings, including the Biga and Gelibolu peninsulas, mostly reflects remnants of a mature horizontal erosion surface termed the ThraceKocaeli peneplain (Cvijic 1908;Pamir 1938;Emre et al 1998;Erinç 2000;Elmas 2003;Gökaşan et al 2005Gökaşan et al , 2008Yılmaz et al 2010). According to Yılmaz et al (2010), the erosion of this peneplain took place from the Late Oligocene to the end of the Late Miocene.…”

Section: Morpho-tectonic Situation In the Marmara Regionmentioning

confidence: 99%

“…1). This elongated basin contains Late Miocene-Quaternary sediments, and is tectonically bounded by pre-Late Miocene volcanic-sedimentary rocks of the Biga and Gelibolu peninsulas (Erol 1968(Erol , 1992Erol and Nuttal 1973;Saner 1985;Sümengen et al 1987;Siyako et al 1989;Okay et al 1990;Elmas and Meriç 1998;Tüysüz et al 1998;Yaltırak et al 1998Yaltırak et al , 2000Elmas 2003;Gökaşan et al 2008Gökaşan et al , 2010Ustaömer et al 2008). The Çanakkale Strait (Dardanelles), which connects the Marmara and Aegean seas, passes longitudinally through the Çanakkale Basin (Fig.…”

Section: Introductionmentioning

confidence: 99%

Morpho-tectonic evolution of the Çanakkale Basin (NW Anatolia): evidence for a recent tectonic inversion from transpression to transtension

et al. 2011

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Late Cenozoic tectonics and stratigraphy of northwestern Anatolia: the effects of the North Anatolian Fault to the region

Cited by 43 publications

References 62 publications

Science versus myth: was there a connection between the Marmara Sea and Lake Sapanca?

Science versus myth: was there a connection between the Marmara Sea and Lake Sapanca?

Imaging of subsurface lineaments in the southwestern part of the Thrace Basin from gravity data

Morpho-tectonic evolution of the Çanakkale Basin (NW Anatolia): evidence for a recent tectonic inversion from transpression to transtension

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