Gams_notion and Forms of Contact Karst | Valley | Cave
impermeable igneous rocks (granite, felsite, porphyry, quartz, gabbro, tuff). Two streams from surroundings cross the karst and join at the southern corner before entering in the igneous rocks. In limestone prevail gorges, dry and blind valleys and about 20 caves, some of them open to tourists. There are many collapse dolines, rare solution dolines and other closed depressions.