Magneto- and biostratigraphy of the Tithonian–Berriasian pelagic sediments in the Tatra Mountains (central Western Carpathians, Poland): sedimentary and rock magnetic changes at the Jurassic/Cretaceous boundary

Grabowski, Jacek; Pszczółkowski, Andrzej

doi:10.1016/j.cretres.2005.07.007

Cited by 37 publications

(60 citation statements)

References 25 publications

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“…Microbiostratigraphic callibration of Late Tithonian/Berriasian magnetozones was successfully performed in south Tethyan sections of the Apennines and Southern Alps Ogg et al 1991). Detailed magnetostratigraphic studies in the Apennines, Tatra Mts and Transdanubian Mts were published recently (Houša et al 2004;Speranza et al 2005;Grabowski & Pszczółkowski 2006;Grabowski et al 2010) and pilot results were reported from the Eastern Alps (Pruner et al 2009). The Brodno section in the Pieniny Klippen Belt (PKB) is currently proposed as the J/K regional stratotype in the Carpathians ).…”

Section: Introductionmentioning

confidence: 88%

Magneto-, and isotope stratigraphy around the Jurassic/Cretaceous boundary in the Vysoká Unit (Malé Karpaty Mountains, Slovakia): correlations and tectonic implications

Grabowski¹,

Michalı́k²,

Pszczółkowski³

et al. 2010

Geologica Carpathica

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Magneto-and isotope stratigraphic studies in the Vysoká Nappe (Hlboča section, Fatric Unit, Malé Karpaty Mts, Slovakia) were performed. A generally decreasing δ 13 C isotope curve is interpreted as a primary trend from the Late Oxfordian (3.3 ‰ V-PDB) to the Late Tithonian (1.8-1.4 ‰ V-PDB). Data from the Tithonian part of the Tegernsee Formation probably reflect "local" basin processes connected with the breccia formation in the latest Tithonian/earliest Berriasian and/or with possible diagenetic overprint. The C-isotope record of the Berriasian Padlá Voda Formation is more homogeneous (1.4-1.8 ‰ V-PDB) and assumed to be primary. Magnetostratigraphic investigations were focused on the Jurassic/Cretaceous (J/K) boundary strata. Upper Tithonian nodular limestones of the Tegernsee Formation differ substantially from Lower Berriasian calpionellid limestones of the Padlá Voda Formation in rock magnetic properties. Hematite is present in the Tegernsee Formation, while magnetite is the only magnetic mineral of the Padlá Voda Formation. Additionally, the latter formation contains superparamagnetic magnetite, which significantly influences its magnetic susceptibility. Correlation of normal and reversed magnetic intervals with the Late Tithonian global polarity time scale was supported by microfossil stratigraphy. M21n to M20n magnetozones were distinguished, including the short reversed Kysuca (M20n1r) Subzone within M20n. Interpretation of Lower Berriasian magnetostratigraphy was more complex due to presence of breccia horizons and a stratigraphic gap at the J/K boundary in the lower part of the Padlá Voda Formation embracing M19r and most of M19n magnetozones. This formation was also partially affected by remagnetization. Detailed correlation between the isotope-and magnetic stratigraphy of the Tithonian-Berriasian interval between Hlboča and Brodno sections is also complex due to J/K stratigraphical gap within the Hlboča section. The primary B component accounts for counter-clockwise rotation of the Vysoká Unit with a magnitude of ca. 50°. Since the paleodeclination of Paleogene and Karpatian-Eggenburgian rocks in the area is similar, the rotation must have taken place after Early Miocene. The paleoinclinations of several Upper Tithonian-Berriasian sections of the Central Western Carpathians and western part of the Pieniny Klippen Belt are consistent and indicate paleolatitude of 27-30°N.

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Section: Introductionmentioning

confidence: 88%

Magneto-, and isotope stratigraphy around the Jurassic/Cretaceous boundary in the Vysoká Unit (Malé Karpaty Mountains, Slovakia): correlations and tectonic implications

Grabowski¹,

Michalı́k²,

Pszczółkowski³

et al. 2010

Geologica Carpathica

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“…Pszczółkowski et al (2005) identified the NJK-c Subzone with the Late Tithonian Nannoconus wintereri Subzone. Grabowski & Pszczółkowski (2006) located the Jurassic/Cretaceous boundary (between the A and B calpionellid biozones of Remane 1971;Remane et al 1986) within the M19n Magnetochron, below the Brodno (M19n-1r) Subchron.…”

Section: The J/k Boundary Line: a Historical Reviewmentioning

confidence: 99%

The Brodno section — a potential regional stratotype of the Jurassic/Cretaceous boundary (Western Carpathians)

Michalı́k¹,

Reháková²,

Halásová³

et al. 2009

Geologica Carpathica

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Compared to coeval successions from the Carpathians, the continuous Jurassic-Cretaceous (J/K) pelagic limestone succession of the Brodno section offers the best possibility to document the J/K passage in a wide area. This section comprises a complete calpionellid, and nannofossil stratigraphic record, that supports the older paleomagnetic data. Moreover, the sequence stratigraphy and stable isotope (δ 18 O, δ 13 C) data gave important results, too, enabling comparison with known key sections from the Mediterranean Tethys area.Key words: J/K boundary, Western Carpathians, regional stratotype, stable isotopes, biostratigraphy, microfossils, pelagic carbonates. Geological context of the Brodno section: an overviewThe Brodno section is situated in an abandoned quarry on the eastern side of the narrow straits of the Kysuca River Valley north of the town of Žilina (known as the "Kysuca Gate", Fig. 1). It yields a record of hemipelagic marine sedimentation in a marginal zone (the Pieniny Klippen Belt) of the Outer Western Carpathians. The lithology, fossil record (including ammonites and aptychi) and stratigraphy were studied by Andrusov (1938Andrusov ( , 1950Andrusov ( , 1959, Scheibner (1961, 1962, 1967), Borza (1969, Scheibnerová (1969), andSamuel et al. (1988). A more detailed description of the Upper Jurassic and Lower Cretaceous litho-and biostratigraphy was provided by Michalík et al. (1990), Vašíček et al. (1992). Houša et al. (1996) introduced the magnetostratigraphy of the Jurassic/Cretaceous (J/K) boundary beds correlated with the microbiostratigraphic data.This paper discusses the results of an integrated biostratigraphic study using three microplankton groups (calpionellids, calcareous dinoflagellates and nannofossils), as well as stable isotope data (δ 18 O, δ 13 C) in the Brodno section, which is proposed here as the candidate for a West Carpathian regional J/K boundary stratotype. The distribution of the stratigraphically important planktonic organisms revealed several coeval calpionellid and nannofossil bioevents recorded in the pelagic carbonate sequence of the Jurassic/Cretaceous boundary age. The stable isotope data underline environmental changes during the interval studied.According to the International Commission on Jurassic Stratigraphy, it is necessary to search for complete sections, which can provide continuous records of both sedimentation and biotic events across stage boundaries. Although the Brodno section lacks ammonite record, it is presented here as a potential candidate considering its continuously well exposed and biostratigraphically properly documented succession, at least for the West Carpathian region. Material and methodsThe Jurassic/Cretaceous boundary succession was studied using an integrated sequence-, bio-and isotope stratigraphy approach from the detailed rock section sampled. A quantitative microfacies analysis was carried in thin sections for the sequence stratigraphic pattern of these pelagic limestones (see Reháková 2000a; Michalík 2007). The calpionellids an...

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“…This is an ap prox i mate value as there is no data for the stud ied sec tions con cern ing the ex act po si tion of the Oxfordian/Kimmeridgian bound ary at the base of the M26 magnetozone pro posed by Ogg et al (2012). In any case, it seems that the es ti mated sed i men ta tion rate for the Kimmeridgian lime stones ex ceeded the value cal cu lated for the (partly) co eval Jasenina For ma tion of the Lower Sub-Tatric (Krížna) Suc ces sion (6.6 to 7 mm/ka af ter Vašíèek et al, 1994: p. 20; 3 to 7 m/my, af ter Grabowski and Pszczó³kowski 2006;and 3.7 m/My, af ter Jach et al, 2012). A rel a tively higher sed imen ta tion rate of the car bon ate de pos its was prob a bly an advan ta geous fac tor for the gen era Spirillina, Lenticulina and Reophax, as re ported ear lier from the Oxfordian of the Prebetic Zone in the south ern Spain (Reolid et al, 2008b).…”

Section: Sedimentary Environment and Palaeobathymetric Interpretationsmentioning

confidence: 86%

“…Ear lier, how ever, N. globulus mi nor was re ported from the Boneti Subzone in the Kryta Val ley of the Sub-Tatric Suc cession of the West ern Tatra Moun tains (Pszczó³kowski, 2009), within the lower in ter val of the M20n magnetozone (Grabowski and Pszczó³kowski, 2006). In the Brodno sec tion (Pieniny Klippen Belt, Slovakia), the Malmica Zone cor re sponds to the M21r and M21n (lower in ter val) magnetozones .…”

Section: Microfossil Zonesmentioning

confidence: 92%

Integrated biostratigraphy and carbon isotope stratigraphy of the Upper Jurassic shallow water carbonates of the High-Tatric Unit (Mały Giewont area, Western Tatra Mountains, Poland)

Pszczółkowski

Grabowski²,

Wilamowski³

2017

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Magneto- and biostratigraphy of the Tithonian–Berriasian pelagic sediments in the Tatra Mountains (central Western Carpathians, Poland): sedimentary and rock magnetic changes at the Jurassic/Cretaceous boundary

Cited by 37 publications

References 25 publications

Magneto-, and isotope stratigraphy around the Jurassic/Cretaceous boundary in the Vysoká Unit (Malé Karpaty Mountains, Slovakia): correlations and tectonic implications

Magneto-, and isotope stratigraphy around the Jurassic/Cretaceous boundary in the Vysoká Unit (Malé Karpaty Mountains, Slovakia): correlations and tectonic implications

The Brodno section — a potential regional stratotype of the Jurassic/Cretaceous boundary (Western Carpathians)

Integrated biostratigraphy and carbon isotope stratigraphy of the Upper Jurassic shallow water carbonates of the High-Tatric Unit (Mały Giewont area, Western Tatra Mountains, Poland)

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