Drip tectonics and the enigmatic uplift of the Central Anatolian Plateau

Oğuz H. Göğüş (), Russell N. Pysklywec, A. M. C. Şengör and Erkan Gün
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Oğuz H. Göğüş: Istanbul Technical University, Maslak
Russell N. Pysklywec: University of Toronto
A. M. C. Şengör: Istanbul Technical University, Maslak
Erkan Gün: Istanbul Technical University, Maslak

Nature Communications, 2017, vol. 8, issue 1, 1-9

Abstract: Abstract Lithospheric drips have been interpreted for various regions around the globe to account for the recycling of the continental lithosphere and rapid plateau uplift. However, the validity of such hypothesis is not well documented in the context of geological, geophysical and petrological observations that are tested against geodynamical models. Here we propose that the folding of the Central Anatolian (Kırşehir) arc led to thickening of the lithosphere and onset of “dripping” of the arc root. Our geodynamic model explains the seismic data showing missing lithosphere and a remnant structure characteristic of a dripping arc root, as well as enigmatic >1 km uplift over the entire plateau, Cappadocia and Galatia volcanism at the southern and northern plateau margins since ~10 Ma, respectively. Models show that arc root removal yields initial surface subsidence that inverts >1 km of uplift as the vertical loading and crustal deformation change during drip evolution.

Date: 2017
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DOI: 10.1038/s41467-017-01611-3

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