Number of found documents: 173
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16th International Congress of Speleology : Czech Republic, Brno July 21–28,2013 : proceedings
Filippi, Michal; Bosák, Pavel
2013 - English
Proceedings of the 16th International Congress of Speleology consist of 3 separate Volumes. The Congress was visited by 1007 participants from 53 countries across the world. Volume I starts with three plenary lectures representing three global cave and karst topics. Further it contains papers concerned with history of research, archeology, paleontology, topics focused on management and preservation of caves and karst areas and other social-related aspects and also it contains a small part devoted to extraterrestrial karst. Volume I is ended by a large portion of biology-oriented papers. Keywords: speleology; karstology; speleoarchaeology; biospeleology; ecosystem management; proceedings of conferences Available at various institutes of the ASCR
16th International Congress of Speleology : Czech Republic, Brno July 21–28,2013 : proceedings

Proceedings of the 16th International Congress of Speleology consist of 3 separate Volumes. The Congress was visited by 1007 participants from 53 countries across the world. Volume I starts with three ...

Filippi, Michal; Bosák, Pavel
Geologický ústav, 2013

16th International Congress of Speleology : Czech Republic, Brno July 21–28,2013 : proceedings
Filippi, Michal; Bosák, Pavel
2013 - English
Proceedings of the 16th International Congress of Speleology consist of 3 separate Volumes. The Congress was visited by 1007 participants from 53 countries across the world. Volume II contains the traditionally heavily attended session “Exploration and Cave Techniques” and by the related session “Speleological Research and Activities in Artificial Underground”. These topics are supplemented with contributions from the field of “Karst and Cave Survey, Mapping and Data Processing”. The content of the second Volume is completed with sessions “Modelling in Karst and Cave Environments” and “Cave Climate and Paleoclimate Record”. Keywords: speleology; karstology; modeling and simulation; proceedings of conferences Available at various institutes of the ASCR
16th International Congress of Speleology : Czech Republic, Brno July 21–28,2013 : proceedings

Proceedings of the 16th International Congress of Speleology consist of 3 separate Volumes. The Congress was visited by 1007 participants from 53 countries across the world. Volume II contains the ...

Filippi, Michal; Bosák, Pavel
Geologický ústav, 2013

Magnetic fabric and mineralogy of cave deposits in Botovskaya Cave (Eastern Siberia, Russian Federation)
Kadlec, Jaroslav; Hercman, H.; Chadima, Martin; Lisá, Lenka; Oberhänsli, H.; Osintsev, A.
2013 - English
The Botovskaya Cave is a typical example of a two-dimensional maze with a total length of explored passages exceeding 60 km, which represents the longest limestone cave system in the Russian Federation. The clastic cave sediments filling the cave passages differ in both mineral and mineral magnetic properties and were deposited under different hydrological conditions. The older portion of the clastic cave fills was derived from overlying sandstones, whereas the properties of younger cave sediments show closer affinity to the soils and weathering products originating on the sandstone plateau above the cave. The cave sediments underwent repeated periods of deposition and erosion during the Tertiary and Pleistocene. Keywords: caves; magnetic fabric; mineralogy; cave deposits Available at various institutes of the ASCR
Magnetic fabric and mineralogy of cave deposits in Botovskaya Cave (Eastern Siberia, Russian Federation)

The Botovskaya Cave is a typical example of a two-dimensional maze with a total length of explored passages exceeding 60 km, which represents the longest limestone cave system in the Russian ...

Kadlec, Jaroslav; Hercman, H.; Chadima, Martin; Lisá, Lenka; Oberhänsli, H.; Osintsev, A.
Geologický ústav, 2013

16th International Congress of Speleology : Czech Republic, Brno July 21–28,2013 : proceedings
Filippi, Michal; Bosák, Pavel
2013 - English
Proceedings of the 16th International Congress of Speleology consist of 3 separate Volumes. The Congress was visited by 1007 participants from 53 countries across the world. Volume III also starts with traditional, heavily attended topics organized in two sessions: “Karst and Caves in Carbonate Rocks, Salt and Gypsum” and “Karst and Caves in Other Rocks, Pseudokarst”. These topics are supplemented by the related session “Speleogenesis”. This last volume of the Proceedings is ended by the study of cave minerals, included in a specific session “Cave Minerals”. Keywords: speleology; karstology; karst; pseudokarst; mineralogy; proceedings of conferences Available at various institutes of the ASCR
16th International Congress of Speleology : Czech Republic, Brno July 21–28,2013 : proceedings

Proceedings of the 16th International Congress of Speleology consist of 3 separate Volumes. The Congress was visited by 1007 participants from 53 countries across the world. Volume III also starts ...

Filippi, Michal; Bosák, Pavel
Geologický ústav, 2013

Cave formation initiated by dissolution of carbonate cement in qartzose sandstones
Adamovič, Jiří; Mikuláš, Radek; Navrátil, Tomáš; Mertlík, J.
2013 - English
Besides cavities of irregular shape, European sandstones also feature symmetrical cavities of spherical, ellipsoidal or teardrop shapes. Most of them are tens of centimetres across but some reach as much as 2–3 m in diameter and may coalesce into large caves tens of metres in length. Their origin has not been clearly explained yet. 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. Keywords: caves; sandstones; carbonate cement Available at various institutes of the ASCR
Cave formation initiated by dissolution of carbonate cement in qartzose sandstones

Besides cavities of irregular shape, European sandstones also feature symmetrical cavities of spherical, ellipsoidal or teardrop shapes. Most of them are tens of centimetres across but some reach as ...

Adamovič, Jiří; Mikuláš, Radek; Navrátil, Tomáš; Mertlík, J.
Geologický ústav, 2013

Project Namak: some of the most spectacular findings in the Iranian salt karst
Filippi, Michal; Bruthans, J.; Jager, O.; Zare, M.; Asadi, N.
2013 - English
Project (“namak” means salt in Persian language) is an informal association of geologists and speleologists who cooperate on exploration and scientific research of the salt karst in southern and southwestern Iran. During the Project(from 1998 until 2013) about 16 salt diapirs were visited and more than 60 caves were discovered, 30 of which were mapped. The most exciting scientific and speleological discoveries were made in the Namakdan, Hormoz and Jahani salt diapirs; however, many other remarkable discoveries have been made on other several Iranian salt diapirs. This contribution summarizes the most interesting findings achieved during the ten expeditions carried out by the NAMAK team. Keywords: speleology; karst; salt karst; Iran salt karst Available at various institutes of the ASCR
Project Namak: some of the most spectacular findings in the Iranian salt karst

Project (“namak” means salt in Persian language) is an informal association of geologists and speleologists who cooperate on exploration and scientific research of the salt karst in southern and ...

Filippi, Michal; Bruthans, J.; Jager, O.; Zare, M.; Asadi, N.
Geologický ústav, 2013

Valley incision in the Nízké Tatry Mts. (Slovakia) estimated based on paleomagnetic and radiometric cave sediment datings
Kadlec, Jaroslav; Bella, P.; Čížková, Kristýna; Granger, D. E.; Hercman, H.; Holúbek, P.; Chadima, Martin; Orvošová, M.; Pruner, Petr; Schnabl, Petr; Šlechta, Stanislav
2013 - English
Up to eleven horizontal cave levels occur at different altitudes in Jánska, Demänovská and Mošnická karst valleys in the Nízke Tatry Mts. Most of the caves are filled with allochthonous sediments transported from the area formed mostly by granite. The cave levels were filled with fluvial sediments in dependence on the valleys incision caused by Neogene and Pleistocene uplift of the mountain range. The fluvial sediments are intercalated with, or capped, by flowstone layers in the caves. The paleomagnetic polarities measured both in clastic and chemogenic sediments indicate the age of deposition. Based on obtained polarity data we are able to distinguish cave sediments deposited during the Brunhes, Matuyama and Gauss chrons. The paleomagnetic interpretation was partly verified by U-series datings of flowstones preserved in the sedimentary sections. Except for the horizontal cave levels located in the karst valleys, additional large cave systems were found at extremely high altitudes in the Nízke Tatry Mts. 600–700 m above the lowest horizontal cave level. Keywords: caves; caves sediments; dating Available at various institutes of the ASCR
Valley incision in the Nízké Tatry Mts. (Slovakia) estimated based on paleomagnetic and radiometric cave sediment datings

Up to eleven horizontal cave levels occur at different altitudes in Jánska, Demänovská and Mošnická karst valleys in the Nízke Tatry Mts. Most of the caves are filled with allochthonous sediments ...

Kadlec, Jaroslav; Bella, P.; Čížková, Kristýna; Granger, D. E.; Hercman, H.; Holúbek, P.; Chadima, Martin; Orvošová, M.; Pruner, Petr; Schnabl, Petr; Šlechta, Stanislav
Geologický ústav, 2013

Field trip 1: Ultramafic volcanic rocks in the Osečná - Upper Ploučnice river region in North Bohemia
Paluska, A.; Veselý, P.; Rapprich, V.; Ulrych, Jaromír
2013 - English
Keywords: volcanic rocks; excursion guide; North Bohemia Available at various institutes of the ASCR
Field trip 1: Ultramafic volcanic rocks in the Osečná - Upper Ploučnice river region in North Bohemia

Paluska, A.; Veselý, P.; Rapprich, V.; Ulrych, Jaromír
Geologický ústav, 2013

Mineralogic analyses of samples from karst sediments in the UAE : final report
Skála, Roman; Zupan Hajna, N.; Bosák, Pavel
2011 - English
Neveřejné do 1. 1. 2015 Keywords: karst; karst sediments; mineralogy; mineralogical analysis Available at various institutes of the ASCR
Mineralogic analyses of samples from karst sediments in the UAE : final report

Neveřejné do 1. 1. 2015

Skála, Roman; Zupan Hajna, N.; Bosák, Pavel
Geologický ústav, 2011

Preliminary report on geo-archaeological research in the Stajnia Cave (Poland)
Lisá, Lenka
2011 - English
Keywords: geoarchaeology; caves; Stajnia Cave (Poland) Available at various institutes of the ASCR
Preliminary report on geo-archaeological research in the Stajnia Cave (Poland)

Lisá, Lenka
Geologický ústav, 2011

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