Crustal thickness of Turkey determined by receiver function

Tezel, Timur; Shibutani, Takuo; Kaypak, Bülent

doi:10.1016/j.jseaes.2013.06.016

Cited by 70 publications

(57 citation statements)

References 29 publications

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“…The average thickness of the crust is determined as about 37 km in this study. These Moho depths, estimated from both the equation of Wollard (1959) and the equation of Riad et al (1981), are more consistent with the more recent studies performed in central Anatolia by Tezel et al (2013) and Kind et al (2015). Tezel et al (2013) , respectively, in central Anatolia by receiver technique applied to 120 broadband seismic stations.…”

Section: Discussionsupporting

confidence: 90%

“…These Moho depths, estimated from both the equation of Wollard (1959) and the equation of Riad et al (1981), are more consistent with the more recent studies performed in central Anatolia by Tezel et al (2013) and Kind et al (2015). Tezel et al (2013) , respectively, in central Anatolia by receiver technique applied to 120 broadband seismic stations. Kind et al (2015) calculated the thickness of the lithosphere and Moho depths beneath Turkey from S-receiver function and suggested that the lithosphere Figure 6.…”

Section: Discussionsupporting

confidence: 90%

“…The earthquake data set was taken from the catalogue of the General Directorate Saunders et al (1998) 38 P and S-wave receiver function Çakır and Erduran (2011) 31-38 Receiver functions Tezel et al (2013) 25-40 S-receiver function Kind et al (2015) 37…”

Section: Discussionmentioning

confidence: 99%

“…Tezel et al (2013) determined the crustal thickness in the central Anatolia to be 31-38 km determined by receiver function. Although Saunders et al (1998) and Çakır and Erduran (2011) found it to be about 38 km beneath central Anatolia, Kind et al (2015) determined the Moho depths to vary between 25 and 40 km by receiver function.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Investigating Moho depth, Curie Point, and heat flow variations of the Yozgat Batholith and its surrounding area, north central Anatolia,Turkey, using gravity and magnetic anomalies

Bilim¹

2017

Turkish J Earth Sci

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This paper proposes an interpretation of the Bouguer gravity and magnetic anomaly map of the Yozgat Batholith and its surrounding area (north central Anatolia) for determination of crustal and geothermal structures. In the study area, the Moho and Conrad depths based on a relationship between Bouguer gravity anomaly and seismically determined crustal thickness were estimated as 34-39 km and 19.5-21.5 km, respectively. The crustal thickness of the study area increases from west to east. The estimated Curie point depths in the study area by means of spectral analysis of the magnetic data vary between 10.4 and 19.5 km. The shallow depths indicate that the magnetization is restricted to the upper crust in the study area. In addition, the heat flow values calculated for a thermal conductivity of 2.7 W m -1 K -1 range from about 80 to 150 mWm -2 . The shallow velocity structures in central Anatolia are consistent with the estimated high heat flow values in the upper crust and associated with comparatively high negative Bouguer gravity anomalies.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Investigating Moho depth, Curie Point, and heat flow variations of the Yozgat Batholith and its surrounding area, north central Anatolia,Turkey, using gravity and magnetic anomalies

Bilim¹

2017

Turkish J Earth Sci

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“…Vanacore et al (2013) indicate that the Moho depth beneath Central Anatolia is approximately 37 km in their study based on receiver function analysis. In a similar study by Tezel et al (2013), the crustal thickness in Central Anatolia varies between 31 km and 38 km. Uluocak et al (2016) determined the crustal thickness in our study region to be between 35 km and 36 km.…”

Section: Introductionmentioning

confidence: 71%

Estimation of the crustal structure in Central Anatolia (Turkey) using receiver functions

Çıvgın¹,

Kaypak²

2017

Turkish J Earth Sci

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IntroductionThe region called Central Anatolia is a part of the Anatolian plate, bordered between the North Anatolian Fault zone (NAFZ) and the East Anatolian Fault zone (EAFZ) (Figure 1a). The Anatolian plate moves westwards, turning counterclockwise along the Bitlis-Zagros suture zone (BSZS) due to the north-northwest movement of the Arabian plate and the northward movement of the African plate relative to the Eurasian plate (e.g., McKenzie, 1972;Ergün et al., 1995;McClusky et al., 2000).The crustal structure of Central Anatolia has been studied by various researchers and several models have been developed. Some of them assert that the crustal thickness of the Anatolian plate gets thinner from east to west (e.g.,

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Crustal thickness variations and isostatic disequilibrium across the North Anatolian Fault, western Turkey

Frederiksen

Thompson

Rost

et al. 2015

Geophysical Research Letters

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We use teleseismic recordings from a dense array of seismometers straddling both strands of the North Anatolian Fault Zone to determine crustal thickness, P/S velocity ratio and sedimentary layer thickness. To do this, we implement a new grid search inversion scheme based on the use of transfer functions, removing the need for deconvolution for source normalization and therefore eliminating common problems associated with crustal‐scale receiver function analysis. We achieve a good fit to the data except at several stations located in Quaternary sedimentary basins, where our two‐layer crustal model is likely to be inaccurate. We find two zones of thick sedimentary material: one north of the northern fault branch, and one straddling the southern branch. The crustal thickness increases sharply north of the northern strand of the North Anatolian Fault Zone (NAFZ), where the fault nearly coincides with the trace of the Intra‐Pontide Suture; the velocity ratio changes across the southern fault strand, indicating a change in basement composition. We interpret these changes to indicate that both strands of the NAFZ follow preexisting geological boundaries rather than being ideally aligned with the stress field. The thick crust north of the northern NAFZ strand is associated with low topography and so is inconsistent with simple models of isostatic equilibrium, requiring a contribution from mantle density variations, such as possible loading from underthrust Black Sea oceanic lithosphere.

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Crustal thickness of Turkey determined by receiver function

Cited by 70 publications

References 29 publications

Investigating Moho depth, Curie Point, and heat flow variations of the Yozgat Batholith and its surrounding area, north central Anatolia,Turkey, using gravity and magnetic anomalies

Investigating Moho depth, Curie Point, and heat flow variations of the Yozgat Batholith and its surrounding area, north central Anatolia,Turkey, using gravity and magnetic anomalies

Estimation of the crustal structure in Central Anatolia (Turkey) using receiver functions

Crustal thickness variations and isostatic disequilibrium across the North Anatolian Fault, western Turkey

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