globalchange  > 气候变化与战略
DOI: 10.1016/j.epsl.2020.116314
论文题名:
Forearc high uplift by lower crustal flow during growth of the Cyprus-Anatolian margin
作者: Fernández-Blanco D.; Mannu U.; Bertotti G.; Willett S.D.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2020
卷: 544
语种: 英语
中文关键词: accretionary wedge ; Central Anatolian Plateau ; orogenic plateau ; outer-arc high ; plateau margin
英文关键词: Deformation ; Heat flux ; Sedimentation ; Subsidence ; Accretionary wedge ; Increased temperature ; Lower crustal flows ; Short wavelengths ; Thermally activated ; Thermomechanical model ; Vertical motions ; Viscous deformation ; Strain rate ; accretionary prism ; deformation ; forearc basin ; lower crust ; Moho ; sedimentation ; uplift ; Anatolia ; Cyprus ; Turkey
英文摘要: We present a model for the dynamic formation of the forearc high of southern Anatolia where sedimentation in the forearc basin leads to thermally-activated deformation in the lower crust. Our thermo-mechanical models demonstrate that forearc sedimentation increases the temperature of the underlying crust by “blanketing” the heat flux and increasing Moho depth. Deformation switches from frictional to viscous with a higher strain rate led by increased temperature. Viscous deformation changes large-wavelength subsidence into coeval, short-wavelength uplift and subsidence. Models show that forearc highs are intrinsic to accretionary wedges and can grow dynamically and non-linearly at rates dependent on sediment accretion, sedimentation and temperature. The mechanism explains the uplift of the southern margin of the Central Anatolian Plateau and the Neogene vertical motions and upper-plate strain in the Anatolian margin along Central Cyprus. This system is analogous to forearc highs in other mature accretionary margins, like Cascadia, Lesser Antilles or Makran. © 2020 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/164959
Appears in Collections:气候变化与战略

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作者单位: Geological Institute, Swiss Federal Institute of Technology, Zurich, 8092, Switzerland; Earthquake and Volcano Information Center, Earthquake Research Institute, Tokyo University, Japan; Department of Earth & Climate Science, Indian Institute of Science Education and Research, Pune, India; Department of Geoscience and Engineering, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Netherlands

Recommended Citation:
Fernández-Blanco D.,Mannu U.,Bertotti G.,et al. Forearc high uplift by lower crustal flow during growth of the Cyprus-Anatolian margin[J]. Earth and Planetary Science Letters,2020-01-01,544
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