The marine sector of the North German Basin and the Tornquist Zone: Structural evolution and fluid flow

北德盆地和托恩奎斯特区的海洋部分:构造演化和流体流动

基本信息

项目摘要

This project aims at reconstructing and understanding the structural evolution and related fluid expulsion in the marine sector (Baltic, Skagerrak and Kattegat) of the North German Basin and the most prominent and longest pre-Alpine tectonic lineament of Europe, the Tornquist Zone. The Tornquist Zone includes the Sorgenfrei-Tornquist and the Teisseyre-Tornquist Zones, both representing the transition area from the Precambrian Baltic Shield to the Caledonian-Variscan Europe.The major objectives are: 1) quantifying structural deformation since the Rotliegend to recent; 2) investigating ice-load induced tectonism; 3) re-assessing salt tectonics in the North German Basin; and 4) exploring sea floor directed fluid escape from Mesozoic and Paleozoic source and reservoir rocks.The related hypotheses are: 1) inversion tectonics lasts until today; 2) with the onset of glacial periods in the middle Pleistocene differential ice load induced tectonism reactivated inherited and created new fault systems, which partly pierce the present day seafloor; 3) gravity gliding was the dominant process that controlled salt deformation along the northern margin of the North German Basin; 4) that the petroleum system in the study area is partly leaky. The goals will be achieved by geophysical and geological methods. The unique core data set comprises ca. 2500 (out of 3500) km of reflection seismic data collected in 2016 with a 2700 km long streamer and eight GI-Guns as seismic source in the Baltic Sea. The short initial offset of 30 m allows for the very first time and in spite of the shallow water depth gapless subsurface imaging from Paleozoic strata up to the seafloor. Depth section with yet unparalleled resolution will be created, enabling us for an accurate fault slip analysis. Based on that we will restore balanced sections, which is necessary to unravel and quantify the mechanisms behind observed structural deformation. The tectono-stratigraphic evolution of the north-western end of the Tornquist Zone in the Skagerrak and Kattegat will be addressed by the integrated analyses of both ca. 1000 km of industrial and 3.200 km reflection seismic data collected during own research expeditions.We will interpret the new seismic data in the context of > 30.000 km of vintage data that image the upper kilometer only. Previous geophysical and geochemical studies provided compelling evidence that fluids escape on the seafloor origin from source and reservoir rocks. Fluid migration paths will be imaged and fluid and lithology properties will be distinguished by AVO-methods and other seismic attributes. We assume that our findings will be applicable also for the adjacent hinterland.
该项目旨在重建和了解北德盆地海洋部分(波罗的海、斯卡格拉克和卡特加特)以及欧洲最突出和最长的前阿尔卑斯构造线托恩奎斯特带的结构演化和相关流体排出。托恩奎斯特带包括索根弗雷-托恩奎斯特带和泰赛尔-托恩奎斯特带,两者都是前寒武纪波罗的海地盾到加里东-瓦里西亚欧洲的过渡区域。主要目标是:1)量化自Rotliegend以来的构造变形; 2)研究冰荷载引起的构造作用; 3)重新评估北德盆地的盐构造; 4)探索中生代和古生代烃源岩和储集岩中的海底定向流体逃逸。相关假说是:1)反转构造一直持续到今天; 2)随着中更新世冰川期的开始,差异性冰荷引起的构造作用重新激活,继承并创造了新的断层系统,部分刺穿当今的海底; 3)重力滑移是控制北德盆地北缘盐变形的主导过程; 4)研究区含油气系统存在部分泄漏。这些目标将通过地球物理和地质方法来实现。独特的核心数据集包括大约。 2016 年在波罗的海使用 2700 公里长的拖缆和八台 GI-Gun 作为震源收集了 2500 公里(共 3500 公里)反射地震数据。尽管水深较浅,但 30 m 的初始偏移量还是首次实现了从古生代地层到海底的无间隙地下成像。将创建具有无与伦比的分辨率的深度剖面,使我们能够进行准确的断层滑动分析。在此基础上,我们将恢复平衡截面,这对于揭示和量化观察到的结构变形背后的机制是必要的。斯卡格拉克海峡和卡特加特海峡托恩奎斯特带西北端的构造地层演化将通过对这两个地区约 2000 年的综合分析来解决。在自己的研究探险期间收集的 1000 公里工业数据和 3.200 公里反射地震数据。我们将在仅对上公里进行成像的 > 30.000 公里旧数据的背景下解释新的地震数据。先前的地球物理和地球化学研究提供了令人信服的证据,证明流体从源岩和储层岩石中在海底逸出。将对流体运移路径进行成像,并通过 AVO 方法和其他地震属性来区分流体和岩性特性。我们假设我们的研究结果也适用于邻近的腹地。

项目成果

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Professor Dr. Christian Hübscher其他文献

Professor Dr. Christian Hübscher的其他文献

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{{ truncateString('Professor Dr. Christian Hübscher', 18)}}的其他基金

Inversion tectonics at the northern margin of the North German Basin: Cretaceous to recent reactivation of Triassic normal faults (iTec-NGB)
北德盆地北缘的反转构造:白垩纪到三叠纪正断层的近期重新活动(iTec-NGB)
  • 批准号:
    465329435
  • 财政年份:
    2021
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Buried Quaternary valleys in the south-western Baltic Sea (BurVal-Baltic)
波罗的海西南部埋藏的第四纪山谷(BurVal-Baltic)
  • 批准号:
    262442046
  • 财政年份:
    2014
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Hotspot dominated rifting: Volcanic island evolution and collateral geo-hazards resulting from cascading geodynamic processes - The instance of Sao Miguel (south-eastern Terceira Rift, Azores)
热点主导的裂谷:火山岛演化和级联地球动力学过程造成的附带地质灾害 - 以圣米格尔岛为例(亚速尔群岛特塞拉裂谷东南部)
  • 批准号:
    193862030
  • 财政年份:
    2011
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Stratigraphy and tectonic overprint of carbonate and drift deposits in the south-western Mediterranean STRATEC (M69/1)
地中海西南部 STRATEC 碳酸盐岩和漂移沉积物的地层学和构造叠印 (M69/1)
  • 批准号:
    51359786
  • 财政年份:
    2007
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes
Structural and geophysical characterization of the Messinian evaporites and their tectonic evolution in the Levant Basin
黎凡特盆地墨西拿蒸发岩的构造和地球物理特征及其构造演化
  • 批准号:
    29591041
  • 财政年份:
    2006
  • 资助金额:
    --
  • 项目类别:
    Infrastructure Priority Programmes
Marine geophysical investigation of Post-Permian to recent structural evolution of the western Baltic Sea
二叠纪后到波罗的海西部近期结构演化的海洋地球物理调查
  • 批准号:
    5367902
  • 财政年份:
    2002
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes
Geophysik und Geologie im südöstlichen Mittelmeer (M 52/2)
地中海东南部的地球物理学和地质学(M 52/2)
  • 批准号:
    5382275
  • 财政年份:
    2002
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes
Geophysik und Geologie im südöstlichen Mittelmeer - M52/2 -
地中海东南部的地球物理和地质学 - M52/2 -
  • 批准号:
    5291774
  • 财政年份:
    2001
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes
Tektonik der Conrad Ozeantiefe und quartäre Sedimentationsgeschichte im nördlichen Roten Meer und Golf von Aqaba (M 44/3, M 52/3)
红海北部和亚喀巴湾康拉德洋深部和第四纪沉积历史的构造(M 44/3、M 52/3)
  • 批准号:
    5265054
  • 财政年份:
    2000
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes
Core-Log-Seismic Integration at an iconic volcanic arc: Unravelling the spa-tio-temporal interplay of magmatism, tectonics, and mass wasting of the Christiana-Santorini-Kolumbo volcanic field (IODP Exp. 398)
标志性火山弧处的岩心-测井-地震一体化:揭示克里斯蒂安娜-圣托里尼-科伦坡火山田的岩浆作用、构造和质量消耗的时空相互作用(IODP Exp. 398)
  • 批准号:
    506199584
  • 财政年份:
  • 资助金额:
    --
  • 项目类别:
    Infrastructure Priority Programmes

相似国自然基金

转型时期中国城市公共服务业管治模式的地理学研究
  • 批准号:
    40701051
  • 批准年份:
    2007
  • 资助金额:
    17.0 万元
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    青年科学基金项目

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博士论文研究:北美非食品农业部门可持续农业实验
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U.S. GEOTRACES North Atlantic Sector: The Fractional Solubility of Aerosol Iron in Seawater
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基于珊瑚的热带北大西洋/加勒比海古巴区亚十年到数十年尺度气候变化的重建和分析
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Collaborative Research: Linkages in Winter-Time Climate Variability and the Basis for Climate Predictability in the North Atlantic Sector
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