Some issues related to the Svalbardian tectonic event (Ellesmerian Orogeny) in Svalbard

IF 1.9 4区 地球科学 Q3 ECOLOGY
Winfried Kurt Dallmann, Karsten Piepjohn
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引用次数: 0

Abstract

Svalbard has long been thought to represent the easternmost realm of the Ellesmerian Orogeny in the late Devonian or early Mississippian (Svalbardian tectonic event). Several authors do not agree and present alternative interpretations of the observed structures in older and more recent articles. This article discusses a number of issues that, in our opinion, are not sufficiently considered in those works, but which are essential for the understanding of the Svalbardian tectonic event: (1) the possibility of re-deposited palynomorphs in the discussion of the deformational ages, (2) the age and structural setting of the crucial Adriabukta Formation in southern Spitsbergen, and (3) the presence and nature of the Svalbardian angular unconformity in central and southern Spitsbergen.

与斯瓦尔巴特群岛斯瓦尔巴特构造事件(埃尔斯梅里造山运动)有关的一些问题
长期以来,人们一直认为斯瓦尔巴特群岛是泥盆纪晚期或密西西比早期埃尔斯梅里造山运动(斯瓦尔巴特构造事件)的最东端地区。一些作者并不同意这一观点,并在较早和较新的文章中对观测到的构造提出了其他解释。本文讨论了我们认为在这些著作中没有充分考虑到的一些问题,这些问题对于理解斯瓦尔巴第构造事件至关重要:(1) 在讨论变形年龄时重新沉积古生物的可能性,(2) 斯匹次卑尔根岛南部重要的阿德里安布克塔地层的年龄和构造环境,以及 (3) 斯匹次卑尔根岛中部和南部斯瓦尔巴第角不整合的存在和性质。
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来源期刊
Polar Research
Polar Research 地学-地球科学综合
CiteScore
3.20
自引率
5.30%
发文量
22
审稿时长
>12 weeks
期刊介绍: Since 1982, Polar Research has been the international, peer-reviewed journal of the Norwegian Polar Institute, Norway''s central institution for research, environmental monitoring and mapping of the polar regions. Aiming to promote the exchange of scientific knowledge about the Arctic and Antarctic across disciplinary boundaries, Polar Research serves an international community of researchers and managers. As an open-access journal, Polar Research makes its contents freely available to the general public. Original primary research papers comprise the mainstay of Polar Research. Review articles, brief research notes, letters to the editor and book reviews are also included. Special issues are published from time to time. The scope of Polar Research encompasses research in all scientific disciplines relevant to the polar regions. These include, but are not limited to, the subfields of biology, ecology, geology, oceanography, glaciology and atmospheric science. Submissions from the social sciences and those focusing on polar management and policy issues are welcome. Contributions about Antarctica are particularly encouraged.
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