Lačný A., Šujan M., Hók J., Csibri T., Putiška R., Dostál I. & Mojzeš A., 2018: The Komberek karst area - An example of the basement rock influence on the morphology of karst sinkholes (Malé Karpaty Mts.). Acta Geologica Slovaca, 10, 2, 151–164.
The Komberek karst area - An example of the basement rock influence on the morphology of karst sinkholes (Malé Karpaty Mts.)
Alexander Lačný1,2, Michal Šujan1, Jozef Hók1, Tamás Csibri1, René Putiška3, Ivan Dostál3
1Department of Geology and Palaeontology, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovičova 6, 842 15 Bratislava, Slovakia; alexander.lacny@uniba.sk
2State Nature Conservancy of the Slovak Republic, Little Carpathians Protected Landscape Area, Štúrova 115, 900 01, Modra, Slovakia
3Applied and Environmental Geophysics, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovičova 6, 842 15 Bratislava, Slovakia
Abstract
The studied area, as the part of the Malé Karpaty Mts., are integral parts of the Western Carpathian orogenic belt. The Komberek karst area is built up by the Tatricum and Fatricum tectonic units. The studied area belongs to the Kuchyňa-Orešany karst, where on the northeastern part the karst plain Komberek (Kŕč) hill (409 m) is situated. During the research, geological (geological mapping), geophysical (electrical resistivity tomography-ERT) and sedimentological (shallow drilling) methods were carried out. This combination of methods allows to interpret the origin and morphology of the sinkholes. The morphology depends on the nature of the basement rocks, the sedimentary cover and the tectonic influence. Funnel-shaped and pot like sinkholes are concentrated into a sinkhole line located in a linear NW-SE trending structure line. In the other side, some sinkholes were formed on the lithological boundary of the karstic and nonkarstic rocks. Moreover, the sinkholes are at the edge of the depression filled with fine-grained impermeable sediments. In addition, this study points out to the possible presence of potentional cave spaces under one of the largest sinkholes found on the karst plateau.
Key words: sinkholes, linear discontinuity, ERT method, Komberek hill, Slovak republic
Manuscript received: 2018-10-02
Revised version accepted: 2018-11-22
Information
Forthcoming articles
AGEOS 2023, Vol. 15, Issue 2
- Lačný A., Lánczos T., Hók J., Józsa Š., Rybárik M., Blaškovič B. & Pachinger P.: Geology, morphology, and speleothems of the Jaskyňa Dezidera Horváta Cave (Western Carpathians)
- Krčmář D., Hodasová K., Ondrejková I. & Fľaková R.: The thermal footprint of urbanization: Linking high-density basement structures to groundwater heat contamination
- Hodasová K., Krčmář D., Zatlakovič M. & Ondrejková I.: Drought hazard assessment using GIS techniques in the Banská Bystrica region
- Aubrecht R.: Palaeokarst clefts and their filling at the type locality of the Honce Limestone (Turňa Unit): Petrographic analysis and its preliminary interpretation
- Pivko D.: The boom-and-bust cycles of the Spiš travertine extraction during nine centuries (northeastern Slovakia)
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