Józsa Š., Boorová D. & Filo I., 2016: Aptian planktonic foraminiferal biostratigraphy and smaller benthic foraminifera from the Párnica Formation (Choč Mts., Western Carpathians). Acta Geologica Slovaca, 8, 1, 15–26.


Aptian planktonic foraminiferal biostratigraphy and smaller benthic foraminifera from the Párnica Formation (Choč Mts., Western Carpathians)

Štefan Józsa1, Daniela Boorová2 & Ivan Filo2

1Department of Geology and Paleontology, Comenius University in Bratislava, Mlynská dolina, Ilkovičova 6, 842 15 Bratislava, Slovakia; jozsa@fns.uniba.sk
2Slovak Geological Institute of Dionýz Štúr, Mlynská dolina 1, 817 04, Bratislava, Slovakia; daniela.boorova@geology.sk

Abstract

A section through shaly marlstones, marls, layers of bioclastic limestones and Vlkolínec Breccia with carbonate paraconglomerates of Párnica Formation were recently studied near Lúčky Spa in the Hlboké Valley (Choč Mts.). Samples from the marlstones on the right side of the section showed the occurrence of well–preserved rich associations of Aptian microfauna, mainly planktonic foraminifera. Detailed sampling shows the distribution of planktonic and benthic foraminifera through the section belonging to uppermost Bedoulian – Lower Gargasian zones: Leupoldina cabri, Hedbergella luterbacheri, Globigerinelloides ferreolensis zones and to Middle Gargasian Globigerinelloides barri Zone. Composition of assemblages with different morphotypes of planktonic and benthic foraminifera casts light on changing paleoecological settings during the deposition of Párnica Formation.


Key words: Aptian, Foraminifera, Párnica Formation, Fatricum, Krížna Nappe, Zliechov Basin, Western Carpathians


Manuskript doručený: 2016-03-02

Manuskript revidovaný: 2016-05-10


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