Molčan Matejová M., Józsa Š., Halásová E. & Aubrecht R., 2019: Interpretation of the geological structure of an atypical klippe in the Orava sector of the Pieniny Klippen Belt near Revišné. Acta Geologica Slovaca, 11, 2, 75–89.

Interpretation of the geological structure of an atypical klippe in the Orava sector of the Pieniny Klippen Belt near Revišné

Marína Molčan Matejová1, Štefan Józsa1, Eva Halásová1 & Roman Aubrecht1,2

1Department of Geology and Paleontology, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovičova 6, SK-842 15 Bratislava, Slovakia;,, roman.aubrecht,
2Earth Science Institute – Geophysical Division, Slovak Academy of Sciences, Dúbravská cesta 9, SK-845 28 Bratislava, Slovakia


Pieniny Klippen Belt is a mélange zone situated between the internides and externides of the Western Carpathians. This complex zone consists of blocks of sedimentary rocks of various provenance. Most of them belonged to a crustal segment called Oravicum, which was surrounded by branches of Ligurian-Penninic-Vahic Ocean (Pieniny and Magura basins). The Pieniny Klippen Belt underwent several compressional and transpressional phases that caused expressive crustal shortening and mixing of blocks belonging to different tectonic units. At Revišné, in Orava sector of the Pieniny Klippen Belt, a klippe including Bajocian crinoidal limestones (Smolegowa and Krupianka limestone formations), accompanied with synsedimentary Krasín Breccia was found. These formations belong to the Czorsztyn Succession which was the shallowest of all the Oravic units. Occurrences of this unit are rare in the Orava territory and the occurrence of Krasín Breccia is the first outside the middle Váh Valley. On the other hand, the lower part of the klippe is formed by tectonically overturned succession ranging from Kimmeridgian red nodular limestone (Czorsztyn Limestone Formation), Lower Tithonian greenish-grey nodular limestone (Revišné Limestone), through Upper Tithonian to Hauterivian marly white Calpionella-Nannoconus limestone (Pieniny Limestone Formation) and Barremian-Aptian grey spotted marls (Kapuśnica Formation) up to Lower Albian marly shales (Wronine Formation). This succession does not fit to the Czorsztyn Unit which characteristically lacks Hauterivian to Aptian strata due to emersion and karstification. Lithology of this part of the klippe, together with strong condensation of the succession indicates that it may belong to the externmost, deep-water Grajcarek Unit which was deposited north of the Czorsztyn Unit. Contact of these two units is most likely tectonic. The Czorsztyn Unit is thrust onto the Grajcarek Unit providing two possible ways of interpretation: 1) Grajcarek Unit was thrust onto the Czorsztyn Unit and later both were overturned, 2) Czorsztyn Unit was thrust over the overturned Grajcarek Unit.

Key words: Western Carpathians, Pieniny Klippen Belt, Jurassic, Cretaceous, stratigraphy, tectonics, microfacies analysis, calcareous nannoplankton, foraminifers

Manuskript doručený: 2019-03-26

Manuskript revidovaný: 2019-11-29

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