About: Origin of regular cavities in European sandstones: field evidence for dissolution of carbonate and silica cement

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The origin of symmetrical cavities of spherical, ellipsoidal or tear-drop shapes in European sandstones is discussed. Based on the field comparison between such cavities in quartzose sandstones and incompletely developed cavities in carbonate-cemented sandstones, it can be demonstrated that the symmetrical cavities form by carbonate dissolution within the limits of former carbonate concretions. The diagnostic features of post-concretionary cavities include their circular or elliptical cross-section, a uniform orientation of their long axes across the region, and the presence of a set of parallel vertical joints or grooves/ribs on their inner walls. In some sandstone areas (e.g., Petite Suisse area in Luxembourg, Kokořín area in the Czech Republic), a wide variety of transitional forms can be found between the cavities and concretions forming positive relief on a vertical cliff face, depending on the position of the carbonate dissolution front in the present landscape. The origin of symmetrical cavities of spherical, ellipsoidal or tear-drop shapes in European sandstones is discussed. Based on the field comparison between such cavities in quartzose sandstones and incompletely developed cavities in carbonate-cemented sandstones, it can be demonstrated that the symmetrical cavities form by carbonate dissolution within the limits of former carbonate concretions. The diagnostic features of post-concretionary cavities include their circular or elliptical cross-section, a uniform orientation of their long axes across the region, and the presence of a set of parallel vertical joints or grooves/ribs on their inner walls. In some sandstone areas (e.g., Petite Suisse area in Luxembourg, Kokořín area in the Czech Republic), a wide variety of transitional forms can be found between the cavities and concretions forming positive relief on a vertical cliff face, depending on the position of the carbonate dissolution front in the present landscape. (en)
Title	Origin of regular cavities in European sandstones: field evidence for dissolution of carbonate and silica cement Origin of regular cavities in European sandstones: field evidence for dissolution of carbonate and silica cement (en)
skos:prefLabel	Origin of regular cavities in European sandstones: field evidence for dissolution of carbonate and silica cement Origin of regular cavities in European sandstones: field evidence for dissolution of carbonate and silica cement (en)
skos:notation	RIV/67985831:_____/13:00394176!RIV14-AV0-67985831
http://linked.open...avai/predkladatel	Geologický ústav Akademie věd ČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(IAA300130806)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Mikuláš, Radek Adamovič, Jiří
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Geologický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	94645
http://linked.open...ai/riv/idVysledku	RIV/67985831:_____/13:00394176
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	sandstones; origin of cavities (en)
http://linked.open.../riv/klicoveSlovo	origin of cavities sandstones
http://linked.open...ontrolniKodProRIV	[6FEA8005D45F]
http://linked.open...v/mistoKonaniAkce	Kudowa-Zdrój
http://linked.open...i/riv/mistoVydani	Wrocław
http://linked.open...i/riv/nazevZdroje	Sandstone landscapes : diversity, ecology and conservation : proceedings of the 3rd International Conference on Sandstone Landscapes, Kudowa Zdrój (Poland), 25-28 April 2012
http://linked.open...in/vavai/riv/obor	DB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	The concept of micro- to mesoscale sandstone weathering morphofacies in the temperate zone
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Mikuláš, Radek Adamovič, Jiří Mertlík, J.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2012-04-25 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Uniwersytet Wrocławski. Instytut Geografii i Rozwoju Regionalnego
https://schema.org/isbn	978-83-62673-29-2

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