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Naust Formation

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Journal Article
Published: 01 January 2007
Journal of the Geological Society (2007) 164 (1): 129-141.
... of the overlying Naust Formation (upper Pliocene–Present). The faults abruptly terminate upward below a thick interval of debris flows. We propose a dynamic model in which: (1) the development of polygonal faults discontinues temporarily as a result of a change in regional sedimentation, leading to inactive...
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Series: Geological Society, London, Special Publications
Published: 01 January 2002
DOI: 10.1144/GSL.SP.2002.196.01.09
EISBN: 9781862394445
... geohazards, including slides. At the Vøring margin in the north, there has been the build-out of a huge prograding wedge of sediment in Plio-Pleistocene times. The sediments of the wedge are assigned to the Naust Formation, which has been subdivided into eight units (A-H), and includes only a few...
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Figure 2. Seismic stratigraphy of upper ∼0.5 m.y. of <b>Naust</b> <b>Formation</b> deposi...
in > Geology
Published: 01 April 2006
Figure 2. Seismic stratigraphy of upper ∼0.5 m.y. of Naust Formation deposited on mid-Norwegian shelf. Sediment thickness is calculated using sound velocity of 2000 m s −1 . Seismic line (IKU B81–208) is located as N-S in Figure 3 . Note erosion of underlying units by recent ice-stream flow
Journal Article
Journal: Geology
Published: 01 January 2010
Geology (2010) 38 (1): 3-6.
...Julian A. Dowdeswell; Dag Ottesen; Leif Rise Abstract Sediment delivery rates through an entire ice age are investigated using seismic records of glacial erosion products from the Fennoscandian Ice Sheet deposited offshore of mid-Norway in the 2.7 m.y. old Naust Formation (volume 100,000 km 3...
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Journal Article
Journal: Geology
Published: 01 April 2007
Geology (2007) 35 (4): 359-362.
... of the 2.7 Ma Naust Formation is relatively well understood (e.g., Ottesen et al., 2005 ; Rise et al., 2005 ). We then consider the preservation potential of paleoshelf surfaces containing diagnostic glacial landforms within large-scale sedimentary depocenters on continental margins. We show examples...
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Seismic profile CD produced from the 3D seismic dataset. The Kai <b>Formation</b> ...
Published: 01 January 2007
ms TWT (from Horizon C to Horizon D). Although the base of the Naust Formation (below the debris-flow interval and over Horizon C) does not seem affected by such faulting on the seismic profile, polygonal faults have been clearly identified on Horizons A and B, using curvature maps.
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Best-fitting exponential porosity–depth trends for the Cretaceous mudrocks ...
Published: 18 December 2014
Fig. 15. Best-fitting exponential porosity–depth trends for the Cretaceous mudrocks after subtracting the thickness of the Naust Formation in each well (i.e. depths are relative to the base of the Naust Formation). Colours of trend lines for the respective wells are as for Figure 6 .
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Schematic model summarizing the processes of <b>formation</b> and reactivation of ...
Published: 01 January 2007
offsets along the faults. The deposition of the debris-flow deposit is also responsible for partial reactivation of polygonal faults within the underlying Kai Formation, and some of them propagate upward within the base of the Naust Formation. This helps fluids to ascend from deeper levels through
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Schematic illustration of <b>formation</b> of injectites and extrudites in the nor...
Published: 01 March 2016
Fig. 1. Schematic illustration of formation of injectites and extrudites in the northern North Sea with interpreted fluid pressure (F1 and F2) and lithostatic pressure (L1 and L2) below points P1 and P2 at the time of sand extrusion (E2). Differential loading of the prograding Naust Formation
Journal Article
Journal: Interpretation
Published: 16 May 2017
Interpretation (2017) 5 (3): SK103-SK120.
... of sediments are eroded by the glacial activity from mainland Norway and deposited on the continental shelf in the form of westward-dipping clinoforms (Naust Formation) (Figure  4 ). Depressions are present at the level of URU developed by the glacial erosion of Plio-Pleistocene age ( Hafeez, 2011 ; Faleide...
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Journal Article
Journal: Interpretation
Published: 09 May 2017
Interpretation (2017) 5 (3): SK65-SK81.
... are the Lower Miocene to recent Nordland group that is subdivided into the Kai Formation and the upper Pliocene Naust Formation ( Dalland et al., 1988 ). The Kai Formation consists of alternating claystone, siltstone, and sandstone with interbedded limestone, and the Naust Formation mainly comprises claystone...
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Three interpreted seismic sections (locations shown in  Fig. 4 ) with posit...
Published: 18 December 2014
Fig. 9. Three interpreted seismic sections (locations shown in Fig. 4 ) with positions of nearby wells projected onto the line of section. Interpreted horizons are: cream, base of Naust T (unconformity); blue, base of Naust A; green, base of Naust N unit and of Naust Formation; and yellow, base
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Section through 10 wells. The line of section is shown in  Figure 7 . N, Na...
Published: 18 December 2014
Fig. 8. Section through 10 wells. The line of section is shown in Figure 7 . N, Naust Formation; K, Kvitnos Formation; L, Lange Formation. The unlabelled interval between the Kvitnos and Naust formations comprises the whole sequence from the Late Cretaceous Nise Formation to the Miocene–Pliocene
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Map showing the 100 wells from the mid-Norwegian shelf included in this stu...
Published: 01 June 2008
) of the Pliocene/Pleistocene Naust Formation (modified from Rise et al., 2005) is displayed in the background. The Naust Formation was formed by westward prograding glaciogenic debris flows along the entire mid-Norwegian margin (Hjelstuen et al., 2005). The most voluminous of these debris flow sequences, the North
Series: Geological Society, London, Petroleum Geology Conference series
Published: 01 January 2005
DOI: 10.1144/0060845
EISBN: 9781862394124
... reflections and onlap of internal Kai Formation reflections ( Fig. 3 ). The top of the Kai Formation is defined by downlap of low angle westward-prograding clinoforms of the glaciomarine and intraglacial Naust Formation ( Fig. 5 ). The downlap surface defines a regional marine flooding surface that can...
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Figure 2. A: Seismic-stratigraphic section (GMNR-94–105) across shelf and s...
in > Geology
Published: 01 April 2007
Figure 2. A: Seismic-stratigraphic section (GMNR-94–105) across shelf and slope on the mid-Norwegian margin showing sedimentary wedge making up the glacier-influenced 2.7 Ma Naust Formation (twt—two-way traveltime; 1 s is ∼1000 m of sediment thickness). Letters represent five sequences within
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A: Map of mid-Norwegian margin, including source catchment area of glacial ...
in > Geology
Published: 01 January 2010
Figure 1. A: Map of mid-Norwegian margin, including source catchment area of glacial erosion (yellow dashed line) and area of offshore deposition (isopach map of thickness of Naust Formation in milliseconds of two-way traveltime, where 1 ms is ∼1 m). White box in isopach map locates Figure 2
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Schematic sections from sink to source along profiles A and B in  Figure 1....
in > Geology
Published: 01 December 2013
Figure 4. Schematic sections from sink to source along profiles A and B in Figure 1. Sediment geometry indicates missing cover rocks in land area. Reworking of Molo and Utsira Formations into base of Naust Formation is indicated by dashed yellow lines. Jurassic outliers are shown schematically
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NW–SE-striking seismic section crossing the position of well 34/8-3A (locat...
Published: 01 January 2013
glauconitic sand and base of the glaciomarine prograding Naust Formation are shown as interpreted by Eidvin & Rundberg (2001) . Much of the lower Miocene unit is eroded west of the escarpment.
Journal Article
Published: 18 December 2014
Petroleum Geoscience (2014) 21 (1): 17-34.
...Fig. 15. Best-fitting exponential porosity–depth trends for the Cretaceous mudrocks after subtracting the thickness of the Naust Formation in each well (i.e. depths are relative to the base of the Naust Formation). Colours of trend lines for the respective wells are as for Figure 6 . ...
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