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首页> 外文期刊>Earth and Planetary Science Letters: A Letter Journal Devoted to the Development in Time of the Earth and Planetary System >Forearc high uplift by lower crustal flow during growth of the Cyprus-Anatolian margin
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Forearc high uplift by lower crustal flow during growth of the Cyprus-Anatolian margin

机译：在塞浦路斯 - 阿纳托利亚边缘的生长期间，前臂高隆起

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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 thermomechanical 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. (C) 2020 Elsevier B.V. All rights reserved.
机译：我们展示了南部南部南部的前臂高的动态形成模型，其中前臂盆地的沉降导致下外壳中的热激活变形。我们的热机械模型表明，前臂沉降通过“覆盖”热通量和增加Moho深度的底层的温度。变形从摩擦到粘性的开关，通过提高温度，较高的应变速率。粘性变形将大波长沉降变为群体，短波高波长升起和沉降。模型表明，前臂高度为粘度楔形，并且可以在依赖于沉积物增生，沉降和温度的速率下动态和非线性地生长。该机制沿着塞浦路斯中部沿着塞浦路斯中央边缘的南部南部隆起的南部边缘和Neogene垂直运动和上板应变。该系统类似于其他成熟增生利润的前臂高，如Cascadia，较小的安妥尔斯或Makran。 （c）2020 Elsevier B.v.保留所有权利。

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