Timing the break-up of the Baltica and Laurentia connection in the Nuna supercontinent indications for rapid plate motion oscillation and tectonic regime

Johanna Salminen, University of Helsinki, Department of Geosciences and Geography, Helsinki, Finland; Geological Survey of Finland, Espoo, Finland and Sten-Ake Elming, LuleƄ University of Technology, Department of Civil, Environmental and Natural Resources Engineering, LuleƄ, Sweden