Interaction between halokinesis and faulting: structuring of the margins of the Nordkapp Basin, Barents Sea region

Gabrielsen, Roy H.; Kløvjan, O.S.; Rasmussen, Arne Redsted; Stølan, T.

doi:10.1016/b978-0-444-88607-1.50013-9

Cited by 9 publications

(9 citation statements)

References 14 publications

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“…In well 7124/3-1 (Fig. 2), Asselian evaporite deposits typically include thin layers of anhydrite and gypsum, but thicker, halite-rich end-members are found along the flanks of the Nordkapp Basin and southwesternmost Nordkapp basin where large pillows of upper Carboniferouslower Permian salt were observed (Gabrielsen et al, 1992;Jensen and Sørensen, 1992;Koyi et al, 1993;Nilsen et al, 1995;Gudlaugsson et al, 1998;Koehl et al, 2017). In the Nordkapp Basin, pre-Permian deposits may in places reach a thickness of up to 7-8 km (Gudlaugsson et al, 1998).…”

Section: Offshore Sedimentary Successions and Well Tiesmentioning

confidence: 99%

“…In the Nordkapp Basin, pre-Permian deposits may in places reach a thickness of up to 7-8 km (Gudlaugsson et al, 1998). These deposits are composed of thick clastic sedimentary rocks and of upper Carboniferous to lower Permian evaporite deposits characterized by mobile salt that was involved in salt tectonism in the southwesternmost Nordkapp basin (Gudlaugsson et al, 1998;Koehl et al, 2017) and in the Nordkapp Basin (Gabrielsen et al, 1992;Jensen and Sørensen, 1992;Koyi et al, 1993;Nilsen et al, 1995).…”

Section: Offshore Sedimentary Successions and Well Tiesmentioning

confidence: 99%

“…5c). We interpret the lensoidal bodies on the basin edges as pillows of mobile salt and the chaotic bodies near the basin center as small salt diapirs based on similarities with large salt diapirs and evaporite deposits observed in the Nordkapp Basin (Gabrielsen et al, 1992;Jensen and Sørensen, 1992;Koyi et al, 1993;Nilsen et al, 1995). We consider that the presence of analog late Paleozoic evaporite deposits in the southwesternmost Nordkapp basin and in the Nordkapp Basin (Jensen and Sørensen, 1992;Koyi et al, 1993;Gudlaugsson et al, 1998) and the absence of such deposits in the Hammerfest Basin constitute strong arguments to justify a change of name for the "easternmost Hammerfest basin" (Omosanya et al, 2015) into the "southwesternmost Nordkapp basin".…”

Section: Seismic Units and Stratigraphymentioning

confidence: 99%

“…1; Gayer et al, 1985;Lippard and Roberts, 1987;Rice, 2013). The TKFZ is believed to continue farther west, off the coast, where it is thought to interact with and merge into the WNW-ESE-trending segment of the TFFC (Gabrielsen, 1984;Vorren et al, 1986;Townsend, 1987b;Gabrielsen and Faerseth, 1989;Gabrielsen et al, 1990;Roberts et al, 2011;Bergø, 2016;Lea, 2016).…”

Section: Introductionmentioning

confidence: 99%

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Middle to Late Devonian–Carboniferous collapse basins on the Finnmark Platform and in the southwesternmost Nordkapp basin, SW Barents Sea

et al. 2018

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Abstract. The SW Barents Sea margin experienced a pulse of extensional deformation in the Middle-Late Devonian through the Carboniferous, after the Caledonian Orogeny terminated. These events marked the initial stages of formation of major offshore basins such as the Hammerfest and Nordkapp basins. We mapped and analyzed three major fault complexes, (i) the Måsøy Fault Complex, (ii) the Rolvsøya fault, and (iii) the Troms-Finnmark Fault Complex. We discuss the formation of the Måsøy Fault Complex as a possible extensional splay of an overall NE-SW-trending, NW-dipping, basement-seated Caledonian shear zone, the Sørøya-Ingøya shear zone, which was partly inverted during the collapse of the Caledonides and accommodated top-NW normal displacement in Middle to Late Devonian-Carboniferous times.

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Section: Offshore Sedimentary Successions and Well Tiesmentioning

confidence: 99%

Section: Offshore Sedimentary Successions and Well Tiesmentioning

confidence: 99%

Section: Seismic Units and Stratigraphymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Middle to Late Devonian–Carboniferous collapse basins on the Finnmark Platform and in the southwesternmost Nordkapp basin, SW Barents Sea

et al. 2018

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“…On the eastern section of the study area i.e. southwest of the Nordkapp Basin, the history of halokinesis has been documented by several workers (e.g., Gabrielsen et al, 1992;Jensen and Sørensen, 1992;Koyi et al, 1993a,b;Talbot et al, 1993). However, effects of halokinesis on basin fill in the Hammerfest Basin are sparingly reported.…”

Section: Timing Of Salt Growth In the Study Areamentioning

confidence: 91%

Evolution and character of supra-salt faults in the Easternmost Hammerfest Basin, SW Barents Sea

Omosanya

Johansen

Harishidayat

2015

Marine and Petroleum Geology

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a b s t r a c tThis study investigates the evolution of supra-salt faults in the Eastern Hammerfest Basin using high equality seismic reflection data. Traditional techniques of displacement analysis, including the variation of fault displacement (throw) against distance (x), depth (z), expansion and growth indices were adopted. Fault reactivation was assessed using bivariate plots of a) cumulative throw vs. age and b) throw (t) vs. depth of nine (9) representative faults.The interpreted faults are supra-salt crestal and synclinal faults striking NE, E and SE. These faults have complicated t-x and t-z plots and are characterized by considerable stratigraphic thickening in their downthrown section. Faults in the study area have developed over the salt structure since latest Paleozoic times; some of them were reactivated by Early to Middle Triassic through dip linkage of initially isolated fault sets. Along strike, the fault exhibit complex segmentation through coalescence of several subunits linked by local throw/displacement minima. Expansion and growth indices show that the faults of the study area developed during the deposition of Paleozoic to Early Cretaceous sediments by polycyclic growth involving both blind and syn-sedimentary activity.An important piece of information from this study is that fault propagation is controlled by lithological heterogeneity and that both lateral and vertical segmentation of faults are important for hydrocarbon migration within the Triassic to Late Cretaceous interval.

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Impact Geophysics and Modelling

Tsikalas

Faleide

Werner

et al. 2010

The Mjølnir Impact Event and Its Consequences

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Interaction between halokinesis and faulting: structuring of the margins of the Nordkapp Basin, Barents Sea region

Cited by 9 publications

References 14 publications

Middle to Late Devonian–Carboniferous collapse basins on the Finnmark Platform and in the southwesternmost Nordkapp basin, SW Barents Sea

Middle to Late Devonian–Carboniferous collapse basins on the Finnmark Platform and in the southwesternmost Nordkapp basin, SW Barents Sea

Evolution and character of supra-salt faults in the Easternmost Hammerfest Basin, SW Barents Sea

Impact Geophysics and Modelling

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