Deep Structure of the West Spitsbergen Margin from Deep Seismic Investigation

P125 TITLE DEEP STRUCTURE OF THE WEST SPITSBERGEN MARGIN FROM DEEP SEISMIC INVESTIGATION SUMMARY 1 Spitsbergen and its continental margin is located in the NW corner of the Eurasian Plate in a key area for the reconstruction of geological history in the North Atlantic and Artic regions. According to the modern interpretation Spitsbergen was assembled during Caledonian orogeny from four different terranes with own pre-Caledonian history. They are separated by N-S faults and a Devonian Graben and overlain by Carboniferous to Tertiary platform sediments. The Tertiary fault fold-and-trust belt as results of Atlantic opening occurs around western margin of archipelago.