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https://doi.org/10.5194/se-2017-66
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
Research article
03 Jul 2017
Review status
This discussion paper is a preprint. A revision of the manuscript is under review for the journal Solid Earth (SE).
Paleomagnetic constraints on the timing and distribution of Cenozoic rotations in Central and Eastern Anatolia
Derya Gürer1, Douwe J. J. van Hinsbergen1, Murat Özkaptan2, Iverna Creton1, Mathijs R. Koymans1, Antonio Cascella3, and Cornelis G. Langereis1 1Department of Earth Sciences, University of Utrecht, Utrecht 3584 CD, the Netherland
2Department of Geophysical Engineering, Karadeniz Technical University, Trabzon 61080, Turkey
3Istituto Nazionale di Geofisica e Vulcanologia (INGV), Pisa 56126, Italy
Abstract. To quantitatively reconstruct the kinematic evolution of Central and Eastern Anatolia within the framework of Neotethyan subduction accommodating Africa-Eurasia convergence, we paleomagnetically assess timing and amount of vertical axis rotations across the Ulukışla and Sivas regions. We show paleomagnetic results from ~ 30 localities identifying a coherent rotation of a block – comprising the southern Kırşehir Block, the Ulukışla basin, the Central and Eastern Taurides, and the southern part of the Sivas basin. This block experienced a ~ 30° counter-clockwise vertical axis rotation since Oligocene time. Sediments in the northern Sivas region show clockwise rotations. We use the rotation patterns together with known fault zones to argue that the counter-clockwise rotating domain of south-central Turkey was bounded by the Savcılı Thrust Zone and Deliler-Tecer Fault Zone in the north and by the African-Arabian trench in the south, the western boundary of which is poorly constrained and requires future study. Our new paleomagnetic constraints provide a key ingredient for future kinematic restorations of the Anatolian tectonic collage.

Citation: Gürer, D., van Hinsbergen, D. J. J., Özkaptan, M., Creton, I., Koymans, M. R., Cascella, A., and Langereis, C. G.: Paleomagnetic constraints on the timing and distribution of Cenozoic rotations in Central and Eastern Anatolia, Solid Earth Discuss., https://doi.org/10.5194/se-2017-66, in review, 2017.
Derya Gürer et al.
Derya Gürer et al.
Derya Gürer et al.

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Short summary
Central and Eastern Anatolia (present day Turkey) accommodated Africa-Eurasia convergence in Cenozoic times. As a result, the region underwent distributed deformation and rotation. We provide a paleomagnetic dataset from sedimentary basins and assesses timing and amount of rotations. The obtained rotation patterns together with known fault zones suggest that south-central Turkey represents a coherently counter-clockwise rotating domain.
Central and Eastern Anatolia (present day Turkey) accommodated Africa-Eurasia convergence in...
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