Articles | Volume 13, issue 1
Research article
12 Jan 2022
Research article |  | 12 Jan 2022

Impact of Timanian thrust systems on the late Neoproterozoic–Phanerozoic tectonic evolution of the Barents Sea and Svalbard

Jean-Baptiste P. Koehl, Craig Magee, and Ingrid M. Anell

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Cited articles

Aakvik, R.: Fasies analyse av Undre Karbonske kullførende sedimenter, Billefjorden, Spitsbergen, Ph.D. Thesis, University of Bergen, Bergen, Norway, 219 pp., 1981. 
Andresen, A., Haremo, P., Swensson, E., and Bergh, S. G.: Structural geology around the southern termination of the Lomfjorden Fault Complex, Agardhdalen, east Spitsbergen, Norsk Geol. Tidsskr., 72, 83–91, 1992. 
Anell, I., Braathen, A., Olaussen, S., and Osmundsen, P. T.: Evidence of faulting contradicts a quiescent northern Barents Shelf during the Triassic, First Break, 31, 67–76, 2013. 
Anell, I. M., Braathen, A., and Olaussen, S.: Regional constraints of the Sørkapp Basin: A Carboniferous relic or a Cretaceous depression, Mar. Petrol. Geol., 54, 123–138, 2014. 
Anell, I. M., Faleide, J. I., and Braathen, A.: Regional tectono-sedimentary development of the highs and basins of the northwestern Barents Shelf, Norsk Geol. Tidsskr., 96, 27–41, 2016. 
Short summary
The present study shows evidence of fault systems (large cracks in the Earth's crust) hundreds to thousands of kilometers long and several kilometers thick extending from northwestern Russia to the northern Norwegian Barents Sea and the Svalbard Archipelago using seismic, magnetic, and gravimetric data. The study suggests that the crust in Svalbard and the Barents Sea was already attached to Norway and Russia at ca. 650–550 Ma, thus challenging existing models.