Regional structure and polyphased Cretaceous-Paleocene rift and basin development of the mid-Norwegian volcanic passive margin

Zastrozhnov, Dmitry; Gernigon, Laurent; Gogin, I.; Abdelmalak, Mohamed Mansour; Polteau, S.; Faleide, Jan Inge; Manton, Ben; Myklebust, R.

doi:10.1016/j.marpetgeo.2020.104269

Cited by 57 publications

(94 citation statements)

References 97 publications

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“…The Halten Terrace is a c. km wide by c. 130 km long, normal fault-bounded structural platform that is located between 64° and 65° 30'N on the mid-Norwegian continental shelf ( Figure 1) (Blystad et al, 1995;Zastrozhnov et al, 2020). The area has been subject to a complex, long-lived, multi-phase extensional history, from the Devonian through to the opening of the NE Atlantic in the Cenozoic; the Late Jurassic-Early Cretaceous extensional phase forms the focus of this paper (e.g.…”

Section: Structural Framework Of the Halten Terracementioning

confidence: 99%

Tectono-stratigraphic development of a salt-influenced rift margin: Halten Terrace, offshore Mid-Norway

Elliott¹,

Jackson²,

Gawthorpe³

et al. 2022

Preprint

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Pre-rift salt controls structural style variability within rifts by decoupling sub- and supra-salt faults. However, the way in which this variability controls sediment erosion and dispersal, and facies distributions within the coeval syn-rift stratigraphic succession, remains poorly known. We here use 3D seismic reflection and borehole data to study the tectono-stratigraphic development of the Halten Terrace, offshore Mid-Norway, a salt-influenced rifted margin formed during Middle to Late Jurassic extension. On the eastern basin margin the rift structural style passes southwards from an unbreached extensional growth fold dissected by numerous horst and graben (Bremstein Fault Complex), into a single, through-going normal fault (Vingleia Fault Complex). This southwards change in structural style is likely related to the pinch-out of or a change in the dominant lithology (and thus rheology) within a pre-rift (Triassic) evaporite layer, which was thick and/or mobile enough in the north to decouple basement- and cover-involved faulting, and to permit extensional forced folding. As a result, the salt-influenced Bremstein Fault Complex underwent limited footwall uplift, with minor erosion of relatively small horsts supplying only limited volumes of sediment to the main downdip depocentre. In contrast, the Vingleia Fault Complex, which was directly coupled to basement, experienced significant uplift and extensive footwall erosion. The footwall of this structure also locally underwent salt-detached gravity gliding and collapse as the pre-rift detachment was tilted. Our results show that where through-going normal faults develop along the rift flanks, the presence of a pre-rift salt layer will suppress the topographic expression of the footwall. The pre-rift salt layer may however facilitate footwall collapse and limit the volume of sediment supplied to downdip basins. Our results also show that variable topography along the rift flanks facilitated the development of relatively small, localised, intra-rift flank accommodation that trapped flank-derived sediment, and which meant basins nearer the rift axis were starved of sediment.

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Section: Structural Framework Of the Halten Terracementioning

confidence: 99%

Tectono-stratigraphic development of a salt-influenced rift margin: Halten Terrace, offshore Mid-Norway

Elliott¹,

Jackson²,

Gawthorpe³

et al. 2022

Preprint

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“…The northeast Atlantic rift system developed as a result of a series of rift episodes succeeding the Caledonian orogeny that ultimately led to continental breakup and passive margin formation in the Paleocene-Eocene (Talwani and Eldholm, 1977;White and McKenzie, 1989;Skogseid et al, 2000;Abdelmalak et al, 2016a;Zastrozhnov et al, 2020). The mid-Norwegian margin is well covered by 2-D and 3-D reflection and refraction seismic surveys, potential field and heat flow data, and borehole data that allow a refined structural and stratigraphic framework ( Figure F4) (Brekke, 2000;Gernigon et al, 2003Gernigon et al, , 2020Mjelde et al, 2005;Breivik et al, 2006;Theissen-Krah et al, 2017;Zastrozhnov et al, 2018Zastrozhnov et al, , 2020Polteau et al, 2020).…”

Section: Geological Settingmentioning

confidence: 99%

“…margin, focusing on volcanic seismic facies units (italics; see Planke et al, 2000) and intrusive magmatic complexes. Modified from Millett et al (2020), Zastrozhnov et al (2020), and. SDR = seaward-dipping reflector, COB = continent/ocean boundary, LCB = lower crustal body, TR = T-reflection, sed.…”

Section: Expedition Scientists and Scientific Participantsmentioning

confidence: 99%

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Expedition 396 Scientific Prospectus: Mid-Norwegian Continental Margin Magmatism

Berndt¹,

Zarikian²

2021

International Ocean Discovery Program Scientific Prospectus

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Portions of this work may have been published in whole or in part in other IODP documents or publications. This IODP Scientific Prospectus is based on precruise JOIDES Resolution Facility advisory panel discussions and scientific input from the designated Co-Chief Scientists on behalf of the drilling proponents. During the course of the cruise, actual site operations may indicate to the Co-Chief Scientists, the Expedition Project Manager/Staff Scientist, and the Operations Superintendent that it would be scientifically or operationally advantageous to amend the plan detailed in this prospectus. It should be understood that any substantial changes to the science deliverables outlined in the plan presented here are contingent upon the approval of the IODP JRSO Director and/or JOIDES Resolution Facility Board.

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“…The map shows the location of the VTMS00 (Vøring Transform Margin Sampling 2000) and additional VBPR/TGS sampling sites in the NE Atlantic (yellow dots). B. Nomenclature map (modified after Zastrozhnov et al, 2020) showing sampling sites, scientific wells and the location of the well 6504/5-1S (Gemini) along a regional seismic profile (Fig. 3).…”

Section: Figmentioning

confidence: 99%

Upper Cretaceous-Paleogene stratigraphy and development of the Mímir High, Vøring Transform Margin, Norwegian Sea

Polteau

Zastrozhnov

Abdelmalak

et al. 2020

Marine and Petroleum Geology

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Regional structure and polyphased Cretaceous-Paleocene rift and basin development of the mid-Norwegian volcanic passive margin

Cited by 57 publications

References 97 publications

Tectono-stratigraphic development of a salt-influenced rift margin: Halten Terrace, offshore Mid-Norway

Tectono-stratigraphic development of a salt-influenced rift margin: Halten Terrace, offshore Mid-Norway

Expedition 396 Scientific Prospectus: Mid-Norwegian Continental Margin Magmatism

Upper Cretaceous-Paleogene stratigraphy and development of the Mímir High, Vøring Transform Margin, Norwegian Sea

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