KARST IN GYPSUM AREA: CASE STUDY NEAR WIŚLICA (POLISH UPLANDS)

Abstract

Wiślica, is located in the southern part of Nida Basin with karst phenomena developed on gypsum. On the anticline lines were formed inversion karst basins occupied by swamps and bogs. Within the flat valley bottom near Wiślica, 1-3 km wide, on one morphological level occur: plain on a karstic depression along the line of gypsum anticline with the Late Subboreal peat bog; the alluvial plain formed by the Nida river, probably with the several cut and fill alluvial bodies of different age representing to changes of river pattern during the Late Glacial and Holocene; gypsum dome.