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首页> 外文期刊>International Journal of Earth Sciences >Salt kinematics and regional tectonics across a Permian gas field:a case study from East Frisia, NW Germany
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Salt kinematics and regional tectonics across a Permian gas field:a case study from East Frisia, NW Germany

机译：二叠纪气田的盐运动学和区域构造：以德国西北部东弗里西亚为例

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摘要

This study presents a reconstruction of the tectonic history of an Upper Rotliegend tight gas field in Northern Germany. Tectonism of the greater study area was influenced by multiple phases of salt movement, which produced a variety of salt-related structural features such as salt walls, salt diapirs as well as salt glaciers (namakiers). A sequential 2D retro-deformation and stratal backstrip-ping methodology was used to differentiate mechanisms inducing salt movement and to discuss their relation to regional tectonics. The quantitative geometric restoration included sedimentary balancing, decompaction, fault-related deformation, salt movement, thermal subsidence, and isostasy to unravel the post-depositional tectonic overprint of the Rotliegend reservoir rock. The results of this study indicate that reactive salt diapirism started during an Early Triassic interval of thin-skinned extensional tectonics, followed by an active diapirism stage with an overburden salt piercement in the Late Triassic, and finally a period of intensive salt surface extrusion and the formation of salt glaciers (namakiers) in Late Triassic and Jurassic times. Since the Early Cretaceous, salt in the study area has been rising by passive diapirism.
机译：这项研究提出了德国北部上罗特里根德致密气田的构造历史重建。研究范围较大的构造受到盐运动的多个阶段的影响，这些阶段产生了许多与盐相关的结构特征，例如盐壁，盐底盘以及盐冰川（纳木奇人）。连续的二维逆向变形和地层反剥方法被用来区分引起盐运动的机制，并讨论它们与区域构造的关系。定量的几何复原包括沉积平衡，解压缩，断层相关的变形，盐运动，热沉陷和等静压，以解开罗特里根德储层岩石的沉积后构造叠印。这项研究的结果表明，活性盐成岩作用始于三叠纪薄层伸展构造的早三叠世间期，随后是活跃的成岩作用期，三叠纪末期出现了透盐覆盖层，最后是一段密集的盐面挤压和成岩作用。在三叠纪和侏罗纪晚期形成了盐冰川（纳马基埃）。自白垩纪早期以来，研究区的盐分一直由于被动底辟作用而上升。

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  • 来源
    《International Journal of Earth Sciences》 |2013年第6期|1701-1716|共16页
  • 作者

    Anna Alexandra Vackiner; Philipp Antrett; Frank Strozyk; Stefan Back; Peter Kukla; Harald Stollhofen;

  • 作者单位

    Geological Institute, Energy and Mineral Resources Group,RWTH Aachen University, Wullnerstrasse 2,52062 Aachen, Germany,Wintershall Holding GmbH, Friedrich-Ebert-StraBe 160,34119 Kassel, Germany;

    Geological Institute, Energy and Mineral Resources Group,RWTH Aachen University, Wullnerstrasse 2,52062 Aachen, Germany,Wintershall Holding GmbH, Friedrich-Ebert-StraBe 160,34119 Kassel, Germany;

    Geological Institute, Energy and Mineral Resources Group,RWTH Aachen University, Wullnerstrasse 2,52062 Aachen, Germany;

    Geological Institute, Energy and Mineral Resources Group,RWTH Aachen University, Wullnerstrasse 2,52062 Aachen, Germany;

    Geological Institute, Energy and Mineral Resources Group,RWTH Aachen University, Wullnerstrasse 2,52062 Aachen, Germany;

    North Bavarian Center of Earth Sciences,FAU Erlangen-Nuernberg, Schlossgarten 5,91054 Erlangen, Germany;

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  • 正文语种 eng
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  • 关键词

    Salt tectonics; Sequential restoration; Backstripping; Tectonics and sedimentation; Salt namakiers/glaciers;

    机译：盐构造;顺序恢复;回条;构造和沉积;盐纳马基耶/冰川;

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