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Medjame (Samoborsko gorje, Croatia) – an example of speleological features formed in Upper Triassic dolomite

The speleological phenomena in Samoborsko gorje (NW Croatia, Medjame plateau) are in Triassic and Miocene rocks. They are in different stages of development. They are partially or completely filled with falling rocks. Along entrances and underground there are subsidences that suggest the presence of fissures. About 500 m NW of Medjame area, the Podzvir stream sinks. It reappears at the foot of the Medjame plateau on the contact of impermeable Lower Triassic beds and Upper Triassic dolomite.

speleomorphology; speleogenesis; complex speleological features; breakdown; pollution; Croatia; Samoborsko gorje hills; Medame plateau

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