DOI: 10.1016/j.epsl.2018.06.022
Scopus记录号: 2-s2.0-85049495704
论文题名: Paleomagnetic evidence for upper plate response to a STEP fault, SW Anatolia
作者: Kaymakcı N. ; Langereis C. ; Özkaptan M. ; Özacar A.A. ; Gülyüz E. ; Uzel B. ; Sözbilir H.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2018
卷: 498 起始页码: 101
结束页码: 115
语种: 英语
英文关键词: Fethiye Burdur Fault Zone
; paleomagnetism
; Pliny-Strabo Trench
; STEP fault
; SW Anatolia
; vertical axis rotation
Scopus关键词: Clocks
; Geomagnetism
; Plates (structural components)
; Tectonics
; Anatolia
; Continuous deformations
; Counter clockwise rotation
; Fault zone
; Paleomagnetic evidence
; paleomagnetism
; Subduction-transform edge propagator
; Vertical-axis rotation
; Rotation
; convergent margin
; deformation
; fault zone
; geometry
; Neogene
; paleomagnetism
; plate tectonics
; shear zone
; subduction
; tectonic rotation
; Anatolia
; Turkey
; Cypria
英文摘要: Pliny-Strabo Trench is a Subduction Transform-Edge Propagator (STEP) Fault developed on the northern edge of the subducted African Oceanic Lithosphere. It connects the Aegean and Cyprian trenches in the Eastern Mediterranean convergent system. Although, deep geometry of the STEP fault and associated slab tear in mantle are imaged, its shallow vertical and lateral continuation in the crust and impact on the over-riding plate are still unknown. Thus, we have studied SW Anatolia, the candidate site where this structure could propagate laterally and vertically, for its vertical axis rotations using paleomagnetic tools. In this study, more than 2000 paleomagnetic samples were collected and analysed from 86 different sites which were later classified into 11 separate geographic domains displaying similar tectonic characteristics. Moreover, available paleomagnetic data in the literature were parametrically resampled, analysed and combined with our data. In the region, there is a positive correlation between rotation amounts and sample ages supporting continuous deformation throughout the Neogene period. The spatial variations of results indicated that the study area can be divided into three main domains based on vertical axis rotations. From the south to the north these domains include SW Anatolian domain with ∼20° counter-clockwise rotation, Burdur–Dinar–Ulubey domain with ∼4° counter-clockwise rotation and northern areas characterized by clockwise rotations. The identified domains of counter-clockwise rotation are separated by a well-defined NW-SE striking Acıpayam Transfer Zone and there is no differential rotation in agreement with the presence of NE-SW striking shear zone in the region. Therefore, we concluded that the Pliny-Strabo STEP Fault have not propagated into the over-riding plate as a shear zone. This implies that there is no evidence to support the presence of alleged Fethiye–Burdur Fault Zone as suggested, and its existence is dubious. © 2018 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/109756
Appears in Collections: 影响、适应和脆弱性 气候变化事实与影响
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作者单位: Department of Geological Engineering, Middle East Technical University (METU/ODTU), Dumlupinar Bulvari 1, Ankara, 06800, Turkey; Department of Earth Sciences, Utrecht University, Budapestlaan 17, Utrecht, CD 3584, Netherlands; Department of Geophysical Engineering, Karadeniz Technical University, Trabzon, TR-61080, Turkey; Department of Geological Engineering, Van Yüzüncüyıl University, Van, TR-65080, Turkey; Department of Geological Engineering, Dokuz Eylül University, Tınaztepe Campus, İzmir, 35160, Turkey
Recommended Citation:
Kaymakcı N.,Langereis C.,Özkaptan M.,et al. Paleomagnetic evidence for upper plate response to a STEP fault, SW Anatolia[J]. Earth and Planetary Science Letters,2018-01-01,498