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Cromer Knoll Group

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Journal Article
Journal: AAPG Bulletin
Published: 01 August 2013
AAPG Bulletin (2013) 97 (8): 1227–1248.
... the geomorphology of a deep-water, Lower Cretaceous wedge (Cromer Knoll Group) within the hanging wall of a rift-related half graben formed on the Halten Terrace offshore mid-Norway. Seismic attribute extractions taken within this Lower Cretaceous wedge reveal the presence of several lobate to elongated bodies...
FIGURES | View All (11)
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Isochore maps in feet for the (a) <span class="search-highlight">Cromer</span> <span class="search-highlight">Knoll</span> <span class="search-highlight">Group</span>; (b) Captain Sandstone...
Published: 11 October 2017
Figure 14. Isochore maps in feet for the (a) Cromer Knoll Group; (b) Captain Sandstone Member; and (c) Chalk Group (Bosies Bank Fault [BBF], Halibut Horst [HH], Smith Bank Fault [SBF], and West Bank Fault [WBF]).
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Porosity and pore-pressure history for (a) the <span class="search-highlight">Cromer</span> <span class="search-highlight">Knoll</span> <span class="search-highlight">Group</span> and (b) t...
Published: 01 February 2004
Figure 8 Porosity and pore-pressure history for (a) the Cromer Knoll Group and (b) the Viking Group in well 34/10-35, modeled by a combination of stress-sensitive (mechanical) and pressure-insensitive chemical compaction (dashed lines). The numbers indicate the time (in million years before
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Porosity and pore-pressure history for (a) the <span class="search-highlight">Cromer</span> <span class="search-highlight">Knoll</span> <span class="search-highlight">Group</span> and (b) t...
Published: 01 February 2004
Figure 5 Porosity and pore-pressure history for (a) the Cromer Knoll Group and (b) the Viking Group in well 34/10-35, modeled solely by effective stress-driven compaction (dashed lines). The numbers indicate the time (in million years before present) when the modeled formations reached
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—Interval velocities of the Lower Cretaceous (<span class="search-highlight">Cromer</span> <span class="search-highlight">Knoll</span> <span class="search-highlight">Group</span>) in the Da...
Published: 01 February 1993
Figure 4 —Interval velocities of the Lower Cretaceous (Cromer Knoll Group) in the Danish Central Trough measured in 27 wells where the penetrated thickness exceeds 20 m.
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—The Lower Cretaceous (<span class="search-highlight">Cromer</span> <span class="search-highlight">Knoll</span> <span class="search-highlight">Group</span>) of the Danish Central Trough. (a...
Published: 01 February 1993
Figure 6 —The Lower Cretaceous (Cromer Knoll Group) of the Danish Central Trough. (a) Isochore of the Lower Cretaceous (after Vejbaek, 1986 ). (b) Depth to base Upper Cretaceous. (c) Velocity anomaly of the Lower Cretaceous. (d) Interval velocity of the Lower Cretaceous.
Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/PGC8.24
EISBN: 9781786203151
... since the introduction of the informal seismic units by Lieberkind et al. (1982) and an addition to the lithostratigraphy of the Lower Cretaceous Cromer Knoll Group as defined by Jensen et al. (1986) . The distinction of different lithostratigraphic units in the Chalk Group of the Danish...
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Journal Article
Journal: Clay Minerals
Published: 01 March 2006
Clay Minerals (2006) 41 (1): 47–150.
...). Eastern England – Cromer Knoll Group (Ryazanian–Upper Albian; Speeton Clay, Spilsby Sandstone, Sandringham Sands, Claxby Ironstone, Tealby, Roach Ironstone, Dersingham, Carstone and Red Chalk (or Hunstanton Red Limestone) formations). Scotland – Inner Hebrides Group (Cenomanian–Campanian; Morvern...
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Top structure maps (in ms two-way travel time; TWT) for the following six k...
Published: 01 November 2009
Fig. 10 Top structure maps (in ms two-way travel time; TWT) for the following six key stratigraphic horizons: ( a ) top Rotliegend (Leman Sandstone Formation); ( b ) top Brockelschiefer (near top Zechstein Supergroup); ( c ) top Bacton Group; ( d ) Base Cretaceous (base Cromer Knoll Group/top
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Sonic traveltime from logging data of wells Bo-1, NJens-1, Val-1P, and Val-...
Published: 01 May 2005
Figure A2. Sonic traveltime from logging data of wells Bo-1, NJens-1, Val-1P, and Val-2P have distinct porosity trends for the Chalk Group interval and the Cromer Knoll Group interval. The Cromer Knoll Group data define a trend-line which reaches the velocity of the pore water at a critical
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Isochron maps depicting the major variations in sedimentary thickness withi...
Published: 01 November 2010
the Wissey Field bounding faults) fault trends, indicating significant active extension prior to deposition of the Lower Cretaceous Cromer Knoll Group. ( b ) Cromer Knoll Group isochron, depicting active extensional faulting to the west of the study area resultant upon décollement of faults at Zechstein
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Semiregional well-log correlation for the Lower Cretaceous (<span class="search-highlight">Cromer</span> <span class="search-highlight">Knoll</span> Gr...
Published: 01 August 2013
Figure 9 Semiregional well-log correlation for the Lower Cretaceous (Cromer Knoll Group). Datum top of Shetland Group. Gp = Group; GR = gamma ray; BCU = base Cretaceous unconformity; MD = measure depth; TVDSS = true vertical depth subsea.
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Westernmost north-northwest/south-southeast-striking well-log correlation p...
Published: 11 October 2017
Figure 5. Westernmost north-northwest/south-southeast-striking well-log correlation panel corresponding to the seismic line used in Figure  4 highlighting the effect that syn- and postdepositional faulting had on the thickness distribution of the Cromer Knoll Group in general and the Captain
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Easternmost north-northwest/south-southeast-striking well-log correlation p...
Published: 11 October 2017
Figure 9. Easternmost north-northwest/south-southeast-striking well-log correlation panel corresponding to the seismic line used in Figure  8 highlighting the effect that syn- and postdepositional faulting had on the thickness distribution of the Cromer Knoll Group in general and the Captain
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Central north-northwest/south-southeast-striking well-log correlation panel...
Published: 11 October 2017
Figure 7. Central north-northwest/south-southeast-striking well-log correlation panel corresponding to the seismic line used in Figure  6 highlighting the effect that syn- and post-depositional faulting had on the thickness distribution of the Cromer Knoll Group in general and Captain Sandstone
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Contoured top Two-way travel time (TWTT) structure maps for key horizons in...
Published: 01 August 2009
Fig. 8 Contoured top Two-way travel time (TWTT) structure maps for key horizons in the immediate vicinity of the SC: ( a ) Top Chalk Group; ( b ) Base Chalk Group (Top Cromer Knoll Group); ( c ) Top Zechstein Supergroup; ( d ) Top Rotliegend Group. The location of the Murdoch–Cavendish Ridge (MCR
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( a ) Palaeowater depth map and ( b ) isopach map (in milliseconds) for the...
Published: 01 June 2001
Fig. 5. ( a ) Palaeowater depth map and ( b ) isopach map (in milliseconds) for the earliest development of the early post-rift stage (unit K-1) of the northern North Sea, corresponding to the earliest Ryazanian–intra Aptian sequence (142–117.7 Ma; Åsgard–Mime formations of the Cromer Knoll Group).
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( a ) Palaeowater depth map and ( b ) isopach map (in milliseconds) for the...
Published: 01 June 2001
Fig. 5. ( a ) Palaeowater depth map and ( b ) isopach map (in milliseconds) for the earliest development of the early post-rift stage (unit K-1) of the northern North Sea, corresponding to the earliest Ryazanian–intra Aptian sequence (142–117.7 Ma; Åsgard–Mime formations of the Cromer Knoll Group).
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Isopach maps. (A) Tectonosequence T2 containing the postrift <span class="search-highlight">Cromer</span> <span class="search-highlight">Knoll</span> G...
Published: 01 August 2013
Figure 5 Isopach maps. (A) Tectonosequence T2 containing the postrift Cromer Knoll Group presents wedgelike geometry constrained to the east of fault A. The unit thickens toward the southeast. (B) Tectonosequence T3 containing the postrift Shetland Group; the isopach map shows how this interval
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North-northwest–south-southeast–striking seismic line through well 49/29-2 ...
Published: 01 July 2008
Figure 9 North-northwest–south-southeast–striking seismic line through well 49/29-2 (Tristan field) showing the pronounced seismic effect resulting from the presence of two major Werrahalit pods. CG = Chalk Group; CKG = Cromer Knoll Group; WAF = Werraanhydrit Formation; WH = Werrahalit; RG