Articles | Volume 12, issue 5
https://doi.org/10.5194/se-12-1025-2021
https://doi.org/10.5194/se-12-1025-2021
Research article
 | 
10 May 2021
Research article |  | 10 May 2021

Early Cenozoic Eurekan strain partitioning and decoupling in central Spitsbergen, Svalbard

Jean-Baptiste P. Koehl

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Cited articles

Aakvik, R.: Fasies analyse av Undre Karbonske kullførende sedimenter, Billefjorden, Spitsbergen, PhD Thesis, University of Bergen, Bergen, Norway, 219 pp., 1981. 
Allen, K. C.: Lower and Middle Devonian spores of north and central Vestspitsbergen, Palaeontology, 8, 678–748, 1965. 
Allen, K. C.: Further information on the Lower and Middle Devonian spores from Dickson Land, Spitsbergen, Norsk Polarinstitutt Årbok 1971, 7–15, 1973. 
Andresen, A.: Geology of Svalbard – A Window into the Barents Sea Hydrocarbon Province, Svalex 2009 cruise report, Statoil, 2009. 
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. 
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Short summary
By using seismic data and fieldwork, this contribution shows that soft, coal-rich sedimentary rocks absorbed most of early Cenozoic, Eurekan, contractional deformation in central Spitsbergen, thus suggesting that no contractional deformation event is needed in the Late Devonian to explain the deformation differences among late Paleozoic sedimentary rocks. It also shows that the Billefjorden Fault Zone, a major crack in the Earth's crust in Svalbard, is probably segmented.