C4: The Bohemian Karst - surface and subsurface geological and sedimentological processes during the Cenozoic

1 day, 26 June, Czech Republic; Trip leaders: Kadlec J.1, Hošek J.2
1The Czech Academy of Sciences, Czech Republic; 2Czech Geological Survey, Czech Republic
Contact: kadlec@ig.cas.cz
Price: 80 EUR
 
Transportation: bus; Participants: Minimum 11, Maximum 15.
Departure: Prague, Hotel Diplomat (8:00); Return: Prague, Hotel Diplomat
Includes: field trip guidebook, transportation, accommodation, lunch packet.
Degree of physical difficulty: Low level of physical fitness is required. The trip will include short walks (within 1km distance), trekking shoes are recommended.
 
The Bohemian Karst, located in a close vicinity of Prague, belongs to the area with a long tradition in geological, paleontological, and archeological research. The one-day trip is designed to give an overview of the Cenozoic landscape evolution and stratigraphy integrating surface and subsurface data and knowledge. The remarkable landscape forms, including deep canyon-like valleys incised into the Silurian and Devonian sedimentary and volcanic successions, have been formed by running water since late Paleogene. Relicts of Oligocene/Miocene shallow braided river deposits indicate a completely different river pattern in the central Bohemian region than the one existing today. Fluvial and colluvial sequences exposed at the abandoned Srbsko limestone quarries record the fast environmental change at the Early/Mid Pleistocene boundary (so called Mid Pleistocene Revolution). The Koněprusy Show-caves, developed mostly in Devonian reef limestone, are filled with Pleistocene clastic and speleothem deposits. Late Glacial and Holocene colluvial sequence with abundant paleontological and archeological findings is exposed at Skalice while the calcareous tufa cascade deposited in the Svatý Jan pod Skalou village provides a local Holocene paleoenvironmental record.
 
 
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