The cave opening types of the bakony region (transdanubian mountains, hungary)

The genetic classification of the cave openings in the Bakony Region is described. The applied methods are the following: studying the relation between the distribution of phreatic caves and the quality of the host rock and in case of antecedent valley sections, making theoretical geological longitudinal profiles. The phreatic caves developed at the margins of the buried karst terrains of the mountains. The streams of these terrains created epigenetic valleys, while their seeping waters created karst water storeys over the local impermeable beds. Cavity formation took place in the karst water storeys. Phreatic cavities also developed in the main karst water of the mountains. The caves are primarily of valley side position, but they may occur on the roof or in the side of blocks. The cavities of valley side position were opened up by the streams downcutting the carboniferous rocks (these are the present caves of the gorges). While cavities of block roof position developed at the karst water storey at the mound of the block.