By Martin Knez, Tadej Slabe
This booklet specializes in the hole and exploration of greater than 350 formerly undiscovered caves of the Slovenian Karst, came upon in the course of dual carriageway building paintings. The summarizes the making plans of site visitors roads and offers the recent findings got in the course of development, in addition to reviews on newly-discovered karst phenomena and karst waters and their protection.
Earthmoving paintings in the course of building has printed a cross-section of the skin of the Classical Karst, lined karst with well-known underground stone forests and targeted karst in breccia. study performed in those caves has yielded a couple of new findings on how the karst floor and underground have been shaped, at the circulation of water via karst aquifers, and at the evolution of karst on a variety of kinds of rock and below a number of stipulations. The paintings used to be written by means of researchers from the ZRC SAZU Karst study Institute and the Institute of Geology AS CR. The reader will enjoy the authors’ collaboration with planners and developers, which deals useful insights for the making plans and execution in their personal actions in karst regions.
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Extra info for Cave Exploration in Slovenia: Discovering Over 350 New Caves During Motorway Construction on Classical Karst
The part of the route south of Divača runs across the dark grey bedded Cretaceous limestone alternating with rudist limestone. e. along the Divača fault, which is reflected in the relief, the route runs over Palaeocene limestone—also over Cretaceous limestone for short periods—and over dark grey Cretaceous dolomite. Earthworks in the route also revealed tectonically ﬁssured rock and numerous fault mirrors, indicating that the rock blocks had been moved in different directions. Along the fault area, the limestone has been crushed into rubble and mylonite.
3 Discovered Caves 25 Fig. 5 The wall of the passage that has formed along the alluvium, with the passage being ﬁlled with ﬁne-grained alluvium Fig. 6 Alluvia in an unroofed cave In addition, there was a shaft with a diameter of 4 m located within the perimeter of the described cave system, before the tunnel (Fig. 10). It was completely ﬁlled with ﬁne-grained alluvium. Its walls showed traces of percolating water and were only occasionally reshaped under the alluvium. Caves also emerged along the contact of limestone and flysch.
These include old caves, which are either empty or ﬁlled with sediment; shafts, draining water from the surface into the karst interior; and various dolines. We undertook to explore, measure and map out the newly discovered caves. This provided us with new insights into the karst surface which is characterized by unroofed caves providing us, in turn, with clues as to the comprehensive development of the karst aquifer. In addition, we sampled some of the most typical flowstones and alluviums, which we found in old caves.