Karsic effect
Geology and natural richness of Cracow area
Natural minerals of Poland
Geology of deposits
Palaeontology
Dynamic geology
Regional geology of Poland
Geology of Cracow area
Temporary exhibitions
AGH Wersja polska WGGiOŚ Geological Museum Geological Museum Engish version


"Karsic effect"
The exhibition is located on the upper ground floor of the main AGH building (block A-0). It was organised and arranged in 1976 by the museum staff with Dr Janusz Horzemski as a chairperson. 18 detached cabinets store exhibits collected by Andrzej Górny and ones from the museum collections. Photograms were made by various authors. Drawings and some phrases come from the works whose list is given in the cabinet at the beginning of the exhibition. The whole design is made in black and white. The beginning of the exhibition is the cabinet with a definition of karsic and karsic effects and maps with marked areas where these effects can be found in Poland and in the world. The next two cabinets show drafts and plans of selected caves which illustrate origin of underground and surface karsic effects. There are also examples supported by photographs and specimens.
 


The fourth cabinet shows sinters (travertines) - lime residue precipitated at resurgence and karsic springs, often comprising pieces of fauna and flora. The development of underground karsic forms is shown in the three following cabinets. Photographs and exhibits show zone creation of underground forms. They are formed in vadose conditions in aeration zone above the surface of water, where lime rocks are affected by waters flowing along crevasses from the surface. There is a saturation area below their surface where, in phreatic conditions, water dissolves rocks thus creating hollows and wells. Dripstones, characteristics and creation can be seen in the following eight cabinets. The subject of dripstones is illustrated with photograms and exhibits originating from many Polish and European caves. Stalactites, stalagmites, glazes, fins, draperies, hangings, railings, disks, dripstone dishes, pisolites can be seen here as well as antigravitational dripstones, such as fungi and helictytes. Helactytes are usually crystal, irregular outgrowths pointed at different directions, often growing on stalactites, glazes, and on underground walls of caverns. A separate cabinet shows crumb sediments and sedimentation creations which can form in caves. Two following cabinets are devoted to the creatures which find shelter in caves. Careful viewer can notice remains of bones cemented with fine calcite (bony breccia). The remains of animal and human presence usually takes the form of pieces of bone skeletons, in varied conditions, or dripstones with dark-coloured carbonaceous laminas, which is the evidence of use of fire in caves.

 

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