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Turkish Journal of Earth Sciences

DOI

10.3906/yer-2003-2

Abstract

Isotopic and thermochronological data were recently obtained from the footwall of the Büyük Menderes detachment ranges from 29.0 ± 1.9 Ma (ZFT) to 1.6 ± 0.2 Ma (Ap U - Th / He), and they can be grouped in three different time intervals. These results are well explained by the Alaşehir type-rolling hinge mechanism, which suggests active rotated initial normal fault during successive normal fault development of the graben formation. This paper suggests that the Alaşehir type-rolling hinge mechanism is applicable to the Büyük Menderes graben by using field observations, published isotopic / thermochronological and subsurface data. It also contributes to the long-lasting discussion about the activation problem on the low-angle normal faults.

Keywords

Western Anatolia, extensional tectonics, Büyük Menderes, detachment fault, seismic profile, rolling hinge

First Page

322

Last Page

340

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