globalchange  > 气候变化与战略
DOI: 10.1016/j.earscirev.2021.103700
论文题名:
The Mid-Variscan Allochthon: Keys from correlation, partial retrodeformation and plate-tectonic reconstruction to unlock the geometry of a non-cylindrical belt
作者: Martínez Catalán J.R.; Schulmann K.; Ghienne J.-F.
刊名: Earth Science Reviews
ISSN: 00128252
出版年: 2021
卷: 220
语种: 英语
中文关键词: Late Variscan restoration ; Mid-Variscan suture ; North Gondwana ; Paleozoic ; Variscan Belt ; Zone correlation
英文关键词: allochthon ; correlation ; Gondwana ; Hercynian orogeny ; numerical model ; Paleozoic ; plate motion ; plate tectonics ; Bohemia ; Czech Republic ; Morocco
英文摘要: The non-cylindrical character of the Variscan Belt is established via a description of its most salient geological characteristics and correlations among the main and relatively minor massifs from Bohemia to Morocco on the basis of a bibliographical synthesis. Using the firmly established tectonostratigraphic domains, the continuity of Variscan zones is discussed, as well as the western termination of the one that occupies most of the central part of the belt. This zone is characterized by its allochthony, and breaks the continuity of the zonation, that is, the cylindrism of the belt. A proposal is made to call this zone the Mid-Variscan Allochthon and its wedge shape in map view is explained performing a step by step restoration of late Variscan deformation. Once the geometry of the belt is interpreted by a succession of regionally significant deformation events, a kinematic reconstruction is proposed. It is based on recent developments on the knowledge of Paleozoic plate tectonics and intended to show that the deformation model is compatible with current paleogeographical developments. © 2021 The Authors
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166462
Appears in Collections:气候变化与战略

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作者单位: Departamento de Geología, Universidad de Salamanca, Salamanca, 37008, Spain; Center for Lithospheric Research, Czech Geological Survey, Klárov 3, Prague 1, 11821, Czech Republic; Institut Terre et Environnement de Strasbourg, UMR 7063 Université de Strasbourg — CNRS, 1 Rue Blessig, Strasbourg, Cedex 67084, France

Recommended Citation:
Martínez Catalán J.R.,Schulmann K.,Ghienne J.-F.. The Mid-Variscan Allochthon: Keys from correlation, partial retrodeformation and plate-tectonic reconstruction to unlock the geometry of a non-cylindrical belt[J]. Earth Science Reviews,2021-01-01,220
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