Revision and Update of the Stratigraphic Nomenclature of Netherlands

Boogaert, Van Adrichem; Albert,; Geol,

doi:10.1306/bdff866e-1718-11d7-8645000102c1865d

Cited by 34 publications

(26 citation statements)

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“…During the earliest stages of chalk sedimentation, significant quantities of clay still entered the chalk sea, but these decreased as the sea level continued to rise throughout the Cenomanian, as is illustrated by steadily declining GR values in this interval (Fig. 8; Hancock, 1975; Van Adrichem Boogaert & Kouwe, 1994). The climax of the early Late Cretaceous transgression led to anoxic bottom conditions in the chalk sea, leading to the formation of the Plenus Marl Member at the end of the Cenomanian (Fig.…”

Section: Discussionmentioning

confidence: 89%

“…The climax of the early Late Cretaceous transgression led to anoxic bottom conditions in the chalk sea, leading to the formation of the Plenus Marl Member at the end of the Cenomanian (Fig. 3; Hancock, 1975; Van Adrichem Boogaert & Kouwe, 1994). During the Cenomanian, the uplift of the inversion zone and salt diapirs in the Dutch Central Graben was already under way, as is indicated by the onlapping of CKCG 1 onto these structures (Fig.…”

Section: Discussionmentioning

confidence: 99%

“…Lithological variations include small amounts of clay in the lower part of the Chalk Group sequence, which is often developed as marl‐chalk alternations (Hancock, 1975; Van Adrichem Boogaert & Kouwe, 1994). Dissolution and reprecipitation of biogenic silica has locally led to the formation of chert layers.…”

Section: Chalk Characteristicsmentioning

confidence: 99%

“…Consequently, both cored sections and biostratigraphical data are scarce, leaving a subdivision into three lithostratigraphical units: the Cenomanian Texel Marl Formation , the Turonian to Maastrichtian Ommelanden Formation and the Danian Ekofisk Formation (Fig. 3; Van Adrichem Boogaert & Kouwe, 1994).…”

Section: Introductionmentioning

confidence: 99%

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The influence of tectonic regime on chalk deposition: examples of the sedimentary development and 3D‐seismic stratigraphy of the Chalk Group in the Netherlands offshore area

2005

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The sediments of the Upper Cretaceous to lower Palaeogene Chalk Group were deposited through a wide range of depositional processes. Chalk was originally formed by settlement of coccolithophorid skeletal remains from suspension in the water column, with bottom currents redistributing the sediment shortly after deposition. Locally, tilting of the sea‐floor resulted in mass‐movement of chalk at scales varying from decimetre‐thick turbidites to slumps and slide sheets that were up to hundreds of metres thick. Syn‐depositional tectonic activity, therefore, constituted an important control on chalk facies. To study this relation in more detail, a three‐dimensional (3D)‐seismic stratigraphical analysis was carried out, comparing two study areas that experienced contrasting syn‐depositional tectonic evolutions. The Vlieland offshore area, which underwent gradual subsidence and westward tilting during deposition of the Chalk Group, is characterised by parallel and continuous reflections thought to represent pelagic chalk deposits. In the Dutch Central Graben, which was tectonically inverted during the Late Cretaceous to early Palaeogene, discontinuous and irregular seismic reflections that indicate large‐scale reworking of sediment are found. The improved image quality of 3D‐ vs. 2D‐seismic data allowed us to study the detailed geometry of allochthonous chalk bodies and aided the identification and tracing of the often subtle intra‐Chalk Group unconformities, resulting in a subdivision of the Chalk Group into seven seismic sequences.

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Section: Discussionmentioning

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Section: Chalk Characteristicsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The influence of tectonic regime on chalk deposition: examples of the sedimentary development and 3D‐seismic stratigraphy of the Chalk Group in the Netherlands offshore area

2005

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“…The A-BM is present at the surface in incised river valleys in central Belgium and its top gradually deepens towards the Belgian-Dutch border where it is covered by 800 m of soft sediments (Legrand, 1968). In The Netherlands, the top of bedrock coincides with the base of the Lower North Sea Group (Van Adrichem Boogaert andKouwe, 1993-1997) and reaches a maximum depth of 1500 m in the centre of the LRG below Eindhoven and 's Hertogenbosch (NL). In Germany, the seismogenic bedrock corresponds to the base of 15 the Tertiary sediments in the LRG.…”

Section: Of the 35mentioning

confidence: 99%

Path and site effects deduced from transfrontier internet macroseismic data of two recent M4 earthquakes in NW Europe

Noten¹,

Lecocq²,

Sira³

et al. 2016

Preprint

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Abstract. The online collection of earthquake testimonies in Europe is strongly fragmented across numerous seismological agencies. This paper demonstrates how collecting and merging “Did You Feel It?” (DYFI) institutional macroseismic data strongly improves the quality of real-time intensity maps. Instead of using ZIP code Community Internet Intensity Maps we geocode individual response addresses for location improvement, assign intensities to grouped answers within 100 km2 grid cells, and generate intensity attenuation relations from the grid cell intensities. Grid cell intensity maps are less subjective and illustrate a more homogeneous intensity distribution than the ZIP code intensity maps. Using grid cells for ground motion analysis offers an advanced method for exchanging transfrontier equal-area intensity data without sharing any personal’s information. The applicability of the method is demonstrated on the DYFI responses of two well-felt earthquakes: the 8 September 2011 ML 4.3 (MW 3.7) Goch (Germany) and the 22 May 2015 ML 4.2 (MW 3.7) Ramsgate (UK) earthquakes. Both events resulted in non-circular distribution of intensities which is not explained by geometrical amplitude attenuation alone but illustrates an important low-pass filtering due the sedimentary cover above the Anglo-Brabant Massif and in the Lower Rhine Graben. Our study illustrates the effect of increasing bedrock depth on intensity attenuation and the importance of the WNW-ESE Caledonian structural axis of the Anglo-Brabant Massif on seismic wave propagation: seismic waves are less attenuated – high Q – along the strike of the massif but are stronger attenuated – low Q – perpendicular to this structure, especially when they cross rheologically different seismotectonic units that are separated by crustal-rooted faults.

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Real-Time Optimum Drilling Mud Weight Prediction by New 3D Criterion to Manage Wellbore Stability in Challenging Environments

Mahetaji,

Brahma,

Vij

2024

Advances in Science, Technology &Amp; Innovation

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Revision and Update of the Stratigraphic Nomenclature of Netherlands

Cited by 34 publications

References 0 publications

The influence of tectonic regime on chalk deposition: examples of the sedimentary development and 3D‐seismic stratigraphy of the Chalk Group in the Netherlands offshore area

The influence of tectonic regime on chalk deposition: examples of the sedimentary development and 3D‐seismic stratigraphy of the Chalk Group in the Netherlands offshore area

Path and site effects deduced from transfrontier internet macroseismic data of two recent M4 earthquakes in NW Europe

Real-Time Optimum Drilling Mud Weight Prediction by New 3D Criterion to Manage Wellbore Stability in Challenging Environments

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