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A palaeomagnetic study of Mesoproterozoic basic dykes from the Ukrainian Shield and the amalgamation of the shield with Fennoscandia
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.
Geophysical Institute, Academy of Sciences of Ukraine, Kiev.
2005 (English)In: "Dyke swarms - time markers of crustal evolution": Fifth International Dyke Conference, Pohtimolampi Wilderness Hotel, Polar Circle, Rovaniemi, Finland, 31 June - 3 August 2005 ; abstracts and programme / [ed] Jouni Vuollo; Satu Mertanen, Espoo: Geological Survey of Finland , 2005, p. 12-Conference paper, Meeting abstract (Other academic)
Abstract [en]

A palaeomagnetic study has been performed on Palaeo-Mesoproterozoic basic intrusions from three crustal blocks of the Ukrainian Shield. At least three different generations of dykes has been identified and positive field tests can be demonstrated for some of them. A sequence of 2.1 to 1.72 Ga apparent polar wander has been defined on basis of the new palaeomagnetic and Ar/Ar data presented here and on basis of old data from anorthosites. The calculated poles are significantly different from poles of similar age from the Fennoscandian Shield. Although the poles are not perfectly coeval the tectonic reconstructions demonstrate that the Ukrainian Shield collided with Fennoscandia at 1.80-1.85 Ga and then rotated some 45° into its present relative position.

Place, publisher, year, edition, pages
Espoo: Geological Survey of Finland , 2005. p. 12-
National Category
Geophysics
Research subject
Applied Geophysics
Identifiers
URN: urn:nbn:se:ltu:diva-32596Local ID: 72389ef0-6896-11de-9f57-000ea68e967bISBN: 951-690-926-4 (print)OAI: oai:DiVA.org:ltu-32596DiVA, id: diva2:1005830
Conference
International Dyke Conference : 31/07/2005 - 03/08/2005
Note
Godkänd; 2005; 20090704 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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Output format
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  • asciidoc
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