Publisher © Czech Geological Survey, ISSN: 2336-5757 (online), 0514-8057 (print)

Geological setting of the Vaňov landslide area


Petr Kycl, Vladislav Rapprich, Miroslav Radoň

Geoscience Research Reports 45, 2012 (GRR for 2011), pages 82–86

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The Čertovka landslide initiated in autumn of 1994 and it is still active. The landslide started as a rock-fall of basaltic blocks and continues as a mass-flow or debris flow. The head scarp of the landslide exposes volcanic deposits of Late Eocene to Early Oligocene Ústí Formation. The main part of the volcanic sequence comprises subaquatic lavas and associated hyaloclastites, interbedded with subaquatic pyroclastic deposits. In the upper part of the sequence, subaerial scoriaceous deposits were documented. The succession documents transition of subaquatic volcanic activity into subaerial, probably due to levelling of the water reservoir.