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You are here: Home » Past Issues » Volume 2, 2007 - Number 2 » LOESS TESTS CARRIED OUT IN THE SURROUNDINGS OF SOME COVERED KARSTIC DEPRESSIONS (TES-PLATEAU)


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ISTVÁN FÜZESI
Berzsenyi Dániel College, Institution of Geography and Environmental Science 4, Károlyi Gáspár Square, Szombathely, 9700, Hungary. fistvan@bdf.hu

LOESS TESTS CARRIED OUT IN THE SURROUNDINGS OF SOME COVERED KARSTIC DEPRESSIONS (TES-PLATEAU)

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Abstract: The grain size distribution, the lime- and Ca2+-ion content of the covering deposit of the Tes-plateau has been studied at different distances from the karst depression, at 0, 50, 100, 150 and 200 cm depths. There is no lime in the upper 1m layer, but the lime content exceeds 30% below. The grain size increases as we get deeper in the sediment. The higher concentration of the small-grain fraction on the surface indicates the formation of an impermeable layer which causes the precipitation to drain on the surface. This helps the development of covered karst forms where karstification is possible

Keyword: covered karst, karst depression, loess, lime content, grain size distribution, degree of fineness, Tes-plateau


(c) 2006 - 2022 , Publisher-Asociația Carpatică de Mediu și Științele Pământului (Carpathian Association of Environment and Earth Sciences)