The study area comprises of Čepovan dol, a canyon, that is limited by the Banjšice Plateau to the west, and the Trnovo Forest and the Skopca ridge to the east. The aim of this master's thesis is the geomorphological analysis of Čepovanski dol and its morphogenetic and morphodynamic interpretation. The research conducted was founded on the detailed analysis of scientific and professional literature, serving as the theoretical basis for further field and sediment analysis. The sediment analysis included granulometric analysis, X-ray fluorescence analysis, and X-ray diffraction analysis. The development of Čepovan dol occurred in three phases. Initially, the southern part functioned as a corrosion plain in shallow karst, while the northern part was characterized by cone karst. From the north, a watercourse flowed into the area. Later, due to the tectonic uplift of the area, the watercourse antecedently carved and formed the canyon. A karst basin was formed in the Grgar area where the canyon cut through flysch rocks. After the activation of the Idrija Fault in the final phase the watercourse was beheaded, causing Čepovanski dol to become hydrologically inactive.
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