Articles | Volume 9, issue 6
Research article
21 Dec 2018
Research article |  | 21 Dec 2018

From widespread Mississippian to localized Pennsylvanian extension in central Spitsbergen, Svalbard

Jean-Baptiste P. Koehl and Jhon M. Muñoz-Barrera

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Cited articles

Anell, I., 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.
Balashov, Yu. A., Larionov, A. N., Gannibal, L. F., Sirotkin, A. N., Tebenkov, A. M., Ryüngenen, G. I., and Ohta, Y.: An Early Proterozoic U–Pb zircon age from an Eskolabreen Formation gneiss in southern Ny Friesland, Spitsbergen, Polar Res., 12, 147–152, 1993.
Bastesen, E. and Braathen, A.: Extensional faults in fine grained carbonates – analysis of fault core lithology and thickness–displacement relationships, J. Struct. Geol., 32, 1609–1628, 2010.
Bergh, S. G. and Grogan, P.: Tertiary structure of the Sørkapp–Hornsund Region, South Spitsbergen, and implications for the offshore southern continuation of the fold-thrust Belt, Norsk Geol. Tidsskr., 83, 43–60, 2003.
Bergh S. G., Braathen, A., and Andresen, A.: Interaction of Basement-Involved and Thin-Skinned Tectonism in the Tertiary Fold-Thrust Belt of Central Spitsbergen, Svalbard, AAPG Bulletin, 81, 637–661, 1997.
Short summary
This research is dedicated to the study of poorly understood coal-bearing Mississippian (ca. 360–325 Ma) sedimentary rocks in central Spitsbergen. Our results suggest that these rocks were deposited during a period of widespread extension involving multiple fault trends, including faults striking subparallel to the extension direction, while overlying Pennsylvanian rocks (ca. 325–300 Ma) were deposited during extension localized along fewer, larger faults.