Tracking Late Cretaceous environmental change: Geochemical environment of the upper Campanian to lower Maastrichtian chalks at Kronsmoor, northern Germany

Engelke, Julia; Linnert, Christian; Niebuhr, Birgit; Schnetger, Bernhard; Brumsack, Hans‐Jürgen; Mutterlose, Jörg; Wilmsen, Markus

doi:10.1016/j.cretres.2017.10.001

Cited by 10 publications

(6 citation statements)

References 74 publications

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“…Vandenberghe et al (2004) interpreted strata in the Maastricht area in terms of sequence-stratigraphic concepts and regarded the so-called belemnite lag deposit ('belemnite graveyard') at the base of the Vijlen Member in the so-called 'Beutenaken area' as a separate sequence, followed by the next sequence starting in the Bovenste Bos quarry with the 'typical' Vijlen Member with the 'conglomerate' at the base. The beginning of the sedimentation of the 'belemnite graveyard' with Belemnella obtusa Schulz, 1979 as the dominating belemnite species may thus correlate with the lower transgressive system tract identified by Engelke et al (2018) in the Belemnella obtusa Zone of the Kronsmoor section. Keutgen et al (2010) summarised the belemnite sequence in the burrows that pipe down into the topmost Beutenaken Member typical of the 'belemnite graveyard' at the base of the Vijlen Member in the Bovenste Bos quarry as follows.…”

Section: Discussionmentioning

confidence: 95%

“…This numerical age marks the beginning of the sedimentation of the Vijlen Member within the channel-like structures and, hence, a transgressive event. For the sake of completeness, it should be mentioned that the sequence boundary at KMa1 (72 Ma) may correspond to that identified by Engelke et al (2018) in the uppermost Campanian (Belemnella lanceolata Zone) of the Kronsmoor section (northern Germany). In the Maastricht area it might be linked with the formation of the 'belemnite graveyard' at the basis of the Vijlen Member in the so-called 'Beutenaken area', which may be regarded as a transgressive event as well, but further studies are needed to settle this matter.…”

Section: Sea-level Fluctuations and Sequence Stratigraphymentioning

confidence: 95%

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A bioclast-based astronomical timescale for the Maastrichtian in the type area (southeast Netherlands, northeast Belgium) and stratigraphic implications: the legacy of P.J. Felder

Keutgen

2018

Netherlands Journal of Geosciences

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The present paper, dedicated to the legacy of local geologist–engineer Peter Jozef (Sjeuf) Felder, who died in 2009, confirms his view that bioclasts constitute a valuable tool in the correlation of outcrops and borehole cores across the type area of the Maastrichtian Stage in the vicinity of Maastricht. His approach of interpreting changes in bioclast contents as having been influenced by Milankovitch cyclicity has here been applied successfully to the entire sedimentary complex of Maastrichtian (latest Cretaceous) age in the study area. In the present approach, results are corroborated by index fossils, mainly dinoflagellate cysts but also calcareous nannofossils, which allow correlation with the Stevns-1 core reference section in eastern Denmark. With the exception of local remnants ofBelemnella obtusaZone age, the Maastrichtian Stage in its type area encompasses the last 4.6 Ma of the Cretaceous Period (i.e. theBelemnella sumensis/Acanthoscaphites tridensZone up to the K/Pg boundary). P.J. Felder's bioclast analyses have enabled the detection of twelve 400 kyr eccentricity cycles of Milankovitch cyclicity in the area. However, the section is not continuous; there is a hiatus ofc.700 kyr between the Gulpen and Maastricht formations at the ENCI-HeidelbergCement Group quarry. In addition, smaller hiatuses, usually in the range of several 20 kyr cycles, have been detected in the upper Maastricht Formation.

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Section: Discussionmentioning

confidence: 95%

Section: Sea-level Fluctuations and Sequence Stratigraphymentioning

confidence: 95%

A bioclast-based astronomical timescale for the Maastrichtian in the type area (southeast Netherlands, northeast Belgium) and stratigraphic implications: the legacy of P.J. Felder

Keutgen

2018

Netherlands Journal of Geosciences

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“…The most common element ratios that have been used as proxies for terrigenous supplies are Ti/Al, Zr/Al, K/Al, Mg/Al, Rb/Al, and Si/Al (e.g., Hild and Brumsack, 1998;Niebuhr, 2005;Calvert and Pedersen, 2007;Engelke et al, 2018).…”

Section: Elemental Geochemistrymentioning

confidence: 99%

Complex and protracted environmental and ecological perturbations during OAE 1a - Evidence from an expanded pelagic section from south Spain (Western Tethys)

Jiménez

Gea

Quijano

et al. 2019

Global and Planetary Change

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The early Aptian Oceanic Anoxic Event (OAE) 1a represents a major perturbation in the global carbon cycle associated with significant environmental, biotic and sedimentary changes. The signature of this event is a global negative followed by a positive stable carbon isotope excursion (CIE), associated with the input of light-carbon into the climate system and subsequent widespread deposition of organic-rich sediments. This study uses biostratigraphy, C-isotope stratigraphy, biomarkers, and elemental geochemistry to stratigraphically and geochemically characterize OAE 1a at an expanded pelagic marine section from the western Tethys.The high-resolution δ 13 Corg analysis of the section highlights several successive negative CIEs during the onset of OAE 1a (isotope segment C3), pointing to rapid changes in global carbon cycling. The biomarker data indicate that the organic matter is thermally mature and is mainly of marine origin. The biomarker assemblage together with records of redox-sensitive trace elements suggest that sedimentation took place under generally well oxygenated waters punctuated by three short episodes of sea floor anoxia/dysoxia. The two first episodes of anoxia/dysoxia correlate with enhanced organic productivity during the main negative C-isotope excursion that represents the onset of the OAE 1a. They occurred at the final part of C-isotope negative excursions, likely as a response to C-release, increased temperatures and associated hydrological change and weathering, which resulted in increased fertilization-driven oxygen consumption. This was followed by the positive carbon isotope excursion, due to the burial of OM outpacing carbon input. The third episode of anoxia-dysoxia, which occurred later during the major positive C-isotope excursion, is not associated with fertilization, and perhaps instead reflects a general progressive depletion of oxygen during OAE 1a, linked to stagnation of marine waters. Interestingly, although the environmental parameters return to pre-OAE values at the end of the event, a biotic (especially microbial) perturbation persisted after OAE 1a. Our results suggest that instability in environmental conditions was the 2 main feature during OAE 1a in the western Tethys with notable changes extending from the onset to the post-OAE 1a interval.

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“…Palaega carteri or Cardiaster granulosus). However, such a predominance of epibenthic taxa in macrobenthic offshore assemblages from Upper Cretaceous chalks has also been demonstrated by Engelke et al (2016), without any palaeoecological (Engelke et al 2017) or geochemical (Engelke et al 2018) evidence for oxygen restriction.…”

Section: Discussionmentioning

confidence: 97%

The early Cenomanian crippsi Event at Lüneburg (Germany): palaeontological and stratigraphical significance of a widespread Late Cretaceous bioevent

Wilmsen

Schumacher²,

Niebuhr

2021

Palaeobio Palaeoenv

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The early Cenomanian crippsi Event comprises a 1–3-m-thick interval characterised by mass occurrences of the early Cenomanian inoceramid Gnesioceramus crippsi, identified in the uppermost Sharpeiceras schlueteri Subzone (lower lower Cenomanian Mantelliceras mantelli Zone), below an interregional sequence boundary (SB Ce 1). At Lüneburg, the event is characterised by densely packed, very large, disc-like valves of G. crippsi. Taphonomy as well as bio- and microfacies suggest an event formation in a deeper shelf setting below the storm-wave base as primary biogenic concentration, the inoceramids living as recumbent forms on a soft substrate in dense populations. When tracked between basins, the stratigraphic pattern of the crippsi Event suggests a moderately prolonged phase (< 100 kyr) of increased shell production with rapid deposition aiding in preserving the shell-rich event strata. Towards the basin margins, it grades into storm wave-reworked bioclastic concentrations. The crippsi Event formed by an interregional population bloom and provides, as an proliferation epibole, an important marker for intra- and interbasinal correlation. The first record of G. mowriensis within the crippsi Event at Lüneburg, hitherto endemic to the US Western Interior Seaway, and the occurrence of the ammonite Metengonoceras teigenense, likewise an endemic North American faunal element, from the level of the crippsi Event in northern France indicate faunal exchange between the New and Old worlds during the early Cenomanian. This faunal dispersal and contemporaneous occurrence of warm-water biofacies in Western Europe during the early Cenomanian is explained by the existence of a perpetual NE-directed current transporting warm surface waters from the Gulf of Mexico towards Europe. The occurrence of short-lived M. teigenense in France allows for the calibration of the uppermost schlueteri Subzone of the mantelli Zone in Europe to the lowermost Neogastroplites muelleri Zone in North America and to assign an age of ~ 98.6–98.7 Ma to the crippsi Event.

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Tracking Late Cretaceous environmental change: Geochemical environment of the upper Campanian to lower Maastrichtian chalks at Kronsmoor, northern Germany

Cited by 10 publications

References 74 publications

A bioclast-based astronomical timescale for the Maastrichtian in the type area (southeast Netherlands, northeast Belgium) and stratigraphic implications: the legacy of P.J. Felder

A bioclast-based astronomical timescale for the Maastrichtian in the type area (southeast Netherlands, northeast Belgium) and stratigraphic implications: the legacy of P.J. Felder

Complex and protracted environmental and ecological perturbations during OAE 1a - Evidence from an expanded pelagic section from south Spain (Western Tethys)

The early Cenomanian crippsi Event at Lüneburg (Germany): palaeontological and stratigraphical significance of a widespread Late Cretaceous bioevent

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