Cretaceous Oceanic Red Beds in the Outer Western Carpathians, Czech Republic

Skupien, Petr; Bubík, Miroslav; Švabenická, Lilian; Mikuláš, Radek; Vašíček, Zdeněk; Matýsek, Dalibor

doi:10.2110/sepmsp.091.099

Cited by 8 publications

(16 citation statements)

References 4 publications

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“…In the study section, R. fissistomata first occurs in sample Gaj 5.7A, together with the first appearance of the nannofossil Ceratolithoides kamptneri, which is the index species of the upper Late Maastrichtian nannofossil UC20c TP Zone. This is consistent with reports pointing out the Maastrichtian origin of R. fissistomata and similar to its stratigraphic position in respect to the calcareous nannofossil biostratigraphy by Skupien et al (2009).…”

Section: Benthic Foraminiferal Biostratigraphy Around the K/pg Boundarysupporting

confidence: 92%

“…Moreover, R. fissistomata is also commonly accepted as the Paleocene age indicator in the Carpathians (Geroch & Koszarski 1988;Bubík 1995;Bąk & Wolska 2005; However, there are some discrepancies concerning the time of the first appearance of R. fissistomata. For instance, according to Skupien et al (2009, fig. 6), the first occurrence of this species is marked below the K/Pg boundary, within the uppermost part of the Upper Maastrichtian between the first occurrences of the nannofossils Cruciplacolithus primus (which appears a little above the K/Pg boundary in that study) and Micula prinsii, the index species of the Upper Maastrichtian nannofossil UC20d TP Zone.…”

Section: Benthic Foraminiferal Biostratigraphy Around the K/pg Boundarymentioning

confidence: 99%

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Last occurrence of Abathomphalus mayaroensis (Bolli) foraminiferid index of the Cretaceous–Paleogene boundary: the calcareous nannofossil proof

Kędzierski¹,

Gasiński²,

Uchman³

2015

Geologica Carpathica

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Abstract:In the Gaj section (Polish Carpathians, Skole Nappe, Ropianka Formation), the Late Maastrichtian calcareous nannofossil biostratigraphy is compared with foraminiferal zonation based on the occurrence of the planktonic foraminiferid index species Abathomphalus mayaroensis. It appears that the LO of A. mayaroensis, which has been used previously in the studied section as the possible K/Pg boundary indicator is located below the boundary. The disappearance of A. mayaroensis along with other planktonic foraminiferids before the Cretaceous-Paleogene (K/Pg) boundary mass extinction event may be a consequence of the Late Maastrichtian rapid warming pulses. Moreover, the Paleogene age cannot be supported by the FO of the benthic foraminiferid Rzehakina fissistomata, because it first appears together with the nannofossil Ceratolithoides kamptneri (zonal marker for the latest Maastrichtian UC20c TP Zone). According to the present study, the whole studied section represents the lower Upper to the upper Upper Maastrichtian UC20b TP and UC20c TP nannofossil zones, so that it corresponds to the lower-middle part of the planktonic foraminiferal A. mayaroensis Zone, which, according to the scheme by Caron (1985), should extend up to the K/Pg boundary.

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Section: Benthic Foraminiferal Biostratigraphy Around the K/pg Boundarysupporting

confidence: 92%

Section: Benthic Foraminiferal Biostratigraphy Around the K/pg Boundarymentioning

confidence: 99%

Last occurrence of Abathomphalus mayaroensis (Bolli) foraminiferid index of the Cretaceous–Paleogene boundary: the calcareous nannofossil proof

Kędzierski¹,

Gasiński²,

Uchman³

2015

Geologica Carpathica

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“…Intensively bioturbated rocks have been reported from some units underlying the CORB (Skupien & Vašíček 2003), and simple characteristics of the CORB ichnology have been provided from some sections of the Silesian and Rača Units (Skupien et al 2009). However, detailed studies have not been presented.…”

Section: Previous Ichnological Studies In the Oceanic Red Bedsmentioning

confidence: 99%

“…Identification of more or less complete sections as well as mutual correlation between isolated outcrops are complicated by the nappe structure, minor tectonic deformations and locally also by the high thicknesses of the red beds. The correlation is also hampered by the considerable lateral diversity of the CORBs and the existence of transitional facies (Skupien et al 2009). Field and laboratory studies were conducted in years [2005][2006][2007] with the aim to solve the persisting correlation problems and to lay the basis for a more detailed interpretation.…”

Section: Introductionmentioning

confidence: 99%

“…Field and laboratory studies were conducted in years [2005][2006][2007] with the aim to solve the persisting correlation problems and to lay the basis for a more detailed interpretation. These studies were focused on integrated biostratigraphy (foraminifers, dinoflagellates, calcareous nannoplankton), sedimentology, mineralogy and ichnology (Skupien et al 2009). …”

Section: Introductionmentioning

confidence: 99%

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Ichnology of the Cretaceous Oceanic Red Beds (Outer Western Carpathians, Czech Republic)

Mikuláš¹,

Skupien²,

Bubík³

et al. 2009

Geologica Carpathica

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Large differences in the intensity and overall character of bioturbational structures were found in five facies containing hemipelagic red beds. Red beds (CORB) of the Godula facies of the Silesian Unit and their equivalents (mostly not red) in the Kelč facies of the Silesian Unit and the CORB in the non-calcareous sediments of the Rača Unit display a very low degree of bioturbation. The CORB facies of the Rača Unit, containing calcareous intercalations, displays a very high degree of bioturbation as expressed by a high ichnofabric index. They contain trace fossils Chondrites, Zoophycos, Planolites, Thalassinoides, Palaeophycus, Teichichnus and Phycosiphon. The supply of food obviously acted as the controlling factor. The "calcareous" facies of the CORB of the Rača Unit has a considerably higher proportion of sand-dominated interbeds and also carbonates than the non-calcareous facies. This (especially the presence of carbonates) suggests a relative proximity of food-rich environments and an easy transport of nutrition-rich substrate by turbidite currents into the basin directly, not only by periodical fall-out of dead plankton (which is probably responsible for the rhythmicity of poor colonization horizons in weakly bioturbated units).

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The Kapanboğazı formation: A key unit for understanding Late Cretaceous evolution of the Pontides, N Turkey

Tüysüz

Yılmaz

Kirici³

et al. 2016

Palaeogeography, Palaeoclimatology, Palaeoecology

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Cretaceous Oceanic Red Beds in the Outer Western Carpathians, Czech Republic

Cited by 8 publications

References 4 publications

Last occurrence of Abathomphalus mayaroensis (Bolli) foraminiferid index of the Cretaceous–Paleogene boundary: the calcareous nannofossil proof

Last occurrence of Abathomphalus mayaroensis (Bolli) foraminiferid index of the Cretaceous–Paleogene boundary: the calcareous nannofossil proof

Ichnology of the Cretaceous Oceanic Red Beds (Outer Western Carpathians, Czech Republic)

The Kapanboğazı formation: A key unit for understanding Late Cretaceous evolution of the Pontides, N Turkey

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