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首页> 外文期刊>Terra Nova >Regional impact of Early Cretaceous tectono-magmatic uplift in the Arctic: Implications of new data from eastern North Greenland
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Regional impact of Early Cretaceous tectono-magmatic uplift in the Arctic: Implications of new data from eastern North Greenland

机译：北极初期白垩纪岩浆隆起的区域影响：新数据从北格陵兰东部的影响

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摘要

Evaluation of the regional geotectonic impact of the High Arctic Large Igneous Province (HALIP) in the present-day northern Atlantic region has been hindered by poor correlation between the Svalbard-Barents Shelf region and eastern North Greenland. New sedimentological and biostratigraphic data from Peary Land and Kronprins Christian Land (Kilen), North Greenland reveal that the Lower Cretaceous palaeogeographic and sequence stratigraphic development of this area is closely comparable to that of Svalbard. The succession records Hauterivian - early Barremian regional uplift and emergence followed by fluvial sedimentation and subsequent transgression in the late Barremian - early Aptian. Recognition of this tectonically forced regression in North Greenland provides a link to a coeval well-known tectonostratigraphic event in the Svalbard region, and hence to regional tectono-magmatic uplift heralding the HALIP and the initiation of the Amerasia Basin.
机译：由于斯瓦尔巴特-巴伦支大陆架地区和格陵兰岛北部东部之间的相关性较差，目前北大西洋地区高北极大型火成岩省（HALIP）区域大地构造影响的评估受到阻碍。格陵兰岛北部Peary Land和Kronprins Christian Land（Kilen）的最新沉积学和生物地层学数据表明，该地区的下白垩统古地理和层序地层发育与斯瓦尔巴特群岛的古地理和层序地层发育非常相似。演替记录了豪特里夫期-巴雷米安早期区域隆起和出露，随后是巴雷米安晚期-阿普第早期的河流沉积和随后的海侵。对格陵兰岛北部这种构造强迫回归的认识，与斯瓦尔巴特地区同时代著名的构造地层事件，以及预示哈利普和阿米拉西亚盆地形成的区域构造岩浆隆升有关。

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  • 来源
    《Terra Nova》 |2021年第3期|共9页
  • 作者

    Ineson Jon R.; Hovikoski Jussi; Sheldon Emma; Piasecki Stefan; Alsen Peter; Fyhn Michael B. W.; Bjerager Morten; Dybkjaer Karen; Guarnieri Pierpaolo; Lauridsen Bodil W.; Nohr-Hansen Henrik; Pedersen Gunver K.; Svennevig Kristian; Therkelsen Jens; Weibel Rikke; Bojesen-Koefoed Jorgen A.;

  • 作者单位

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

    Univ Copenhagen Geol Museum Copenhagen Denmark;

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

    Geol Survey Denmark &

    Greenland GEUS Oster Voldgade 10 DK-1350 Copenhagen K Denmark;

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  • 中图分类 天文学、地球科学;
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