globalchange  > 气候变化与战略
DOI: 10.1016/j.earscirev.2019.01.004
论文题名:
A review and reinterpretation of the architecture of the South and South-Central Scandinavian Caledonides—A magma-poor to magma-rich transition and the significance of the reactivation of rift inherited structures
作者: Jakob J.; Andersen T.B.; Kjøll H.J.
刊名: Earth Science Reviews
ISSN: 00128252
出版年: 2019
卷: 192
起始页码: 513
结束页码: 528
语种: 英语
中文关键词: (6) Scandinavian Caledonides ; Hyperextension ; Magma-poor to magma-rich transition, ocean-continent transition, tectonostratigraphy ; Rift-inheritance
英文关键词: Caledonian orogeny ; continental margin ; magma ; nappe ; ocean-continent transition ; reconstruction ; rift zone ; tectonostratigraphy ; Caledonides ; Scandinavia
英文摘要: Interpretations of the pre-Caledonian rifted margin of Baltica commonly reconstruct it as a simple, tapering, wedge-shaped continental margin dissected by half graben, with progressively more rift-related magmas towards the ocean-continent transition zone. It is also interpreted to have had that simple architecture along-strike the whole length of the margin. However, present-day rifted margins show a more complex architecture, dominated by different and partly diachronous segments both along and across strike. Here, we show that the composition and the architecture of the Baltican-derived nappes of the South and South Central Scandinavian Caledonides are to a large extend rift-inherited. Compositional variations of nappes in similar tectonostratigraphic positions can be ascribed to variations along-strike the rifted margin, including a magma-rich, a magma-rich to magma-poor transition zone, and a magma-poor segment of the margin. The architecture of the nappe stack that includes the Baltican-derived nappes was formed as a result of the reactivation of rift-inherited structures and the stacking of rift domains during the Caledonian Orogeny. © 2019 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/165834
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作者单位: The Centre for Earth Evolution and Dynamics, Department of Geosciences, University of Oslo, Norway

Recommended Citation:
Jakob J.,Andersen T.B.,Kjøll H.J.. A review and reinterpretation of the architecture of the South and South-Central Scandinavian Caledonides—A magma-poor to magma-rich transition and the significance of the reactivation of rift inherited structures[J]. Earth Science Reviews,2019-01-01,192
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