Evolution of Karst in the Lower Part of Crna Reka River Basin
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This thesis addresses karst development in a terrain characterized by a highly complex geological and geomorphological evolution. It tackles the extent and complexity of both epigenic and hypogenic karst development, based on morphological analyses of caves, combined with analyses and datations of cave sediments and their correlation to regional geological and geomorphological evolution.
Hypogenic karst registered is mainly the result of hydrothermal speleogenesis due to increased geothermal gradient in connection with nearby Pliocene-Pleistocene volcanic centers, with occurrence of sulfuric acid speleogenesis and ghost-rock weathering due to local geological or lithological control. Epigenic speleogenesis is strongly controlled by base level oscillations, with also examples of deep phreatic (now fossil) caves connected to regional base level rise, and per-ascensum speleogenesis.
Another important finding is the constraining of the timing of Mariovo Lake draining in the Pleistocene, an important event in order to understand the geomorphological evolution in Macedonia, as it led to the onset of fluvial development and incision of valleys, shaping most of the present morphology.
Nominated as an outstanding Ph.D. thesis by the University of Nova Gorica, Slovenia
Presents the diversity and complexity of processes and mechanisms operating under various hypogenic speleogenetic environments
Addresses base-level control on karst development and perascensum epigenic speleogenesis
Outlines the contribution towards a better understanding of karst development in the Balkans
Includes supplementary material: sn.pub/extras