Grant No.: 328/2004/B-GEO/PřF |
Grant Agency:Grant Agency of the Charles University in Prague |
Resolved in: 2004 - 2006 |
Principal investigator:RNDr. Petra Štěpančíková, Department of Engineering Geology, IRSM AS CR, v.v.i. |
Co-investigators: Doc. RNDr. Vít Vilímek, CSc., Department of Physical Geography and Geoecology
Charles University in Prague, Faculty of Science
RNDr. Josef Stemberk, CSc., Department of Engineering Geology, IRSM AS CR, v.v.i.
RNDr. Filip Hartvich, Department of Engineering Geology, IRSM AS CR, v.v.i.
Mgr. Miloš Briestenský, Department of Engineering Geology, IRSM AS CR, v.v.i. |
Description: Basing on field work, geomorphological mapping and geophysical measurements focused on survey of manifestations of neotectonics in the relief, the zones of enhanced erosion, linear arrangement of water sources, long rectilinear segments of slopes and valleys, conductive lines were identified. They are related to fault lines bordering marginal fault scarps of the Sokolský Ridge – NE part of the Rychlebské Mts. Moreover, based on morphology and geological setting, individual blocks of horst-like arranged ridge, stepwise descending to the NE, were identified. Differential uplift of the ridge and its neotectonic development were reconstructed.
Moreover, neotectonic development was compared with available intradisciplinary data surveying geodynamics within the Sudetic Marginal Fault zone (SMF) (precise levelling, GPS) and with instrumental 3D monitoring of micro-displacements by means of crack gauge TM71 installed on tectonic structures in the caves Na Pomezí and Na Špičáku in the studied area. All the above mentioned data suggest that the SMF zone is under compression, which is coherent with asymmetric, differential uplift of the Sokolský Ridge, situated north of the SMF.
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