Table 7: The shaft groups of the mountains according to karst areas and some characteristics of their development environment.

Karst area Present karst type Surface elevation (m) Elevation of karst water level(m) Thickness of local vadose zone (m) Number of karst depressions Average depth of explored shafts1 Average specific shaft length of explored caves Shaft genetics
Kab Hill Concealed and mixed allogenic-autogenic karst 400-450 350 50-100 402 23.53 (11) 3.89 Karst water and surface flood shaft development
Tési Plateau Concealed karst 420-480 200 220-280 137 30.13 (46) 2.73
Hárskút basin Concealed karst 460-500 250 210-250 60 12.07 (7) 2.04 Weak surface flood and karst water shaft development
Eleven Förtés doline group Concealed karst 675 230 445 9 10.25 (4) 1.00 Surface flood shaft development
Environs of Márvány Valley Concealed karst 410-620 180 230-440 120 7.17 (3) 1.20
Area between Som Hill and Száraz-Gerence Valley Concealed karst 500-600 250 250-350 76 14.00 (5) 1.43
Keszthely Mountains Bare or concealed karst 400-420 115 285-305 202 62.7 (7) 42.64 At a small amount of surface water supply at tectonic shafts

1In brackets the number of the shafts taken into consideration; 2Estimated data.