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Part III Descriptive |
ów Series (Kleszczów Graben, central Poland)
Department of Applied Geology, Institute of Geological Sciences, University of Wroc
aw, Uniwersytecka 19/20, 50-145 Wroc
aw, Poland
, Julianaweg 5, 6862 ZN Oosterbeek, The Netherlands
Thick fluvial and lacustrine deposits of Quaternary age are rare in Europe. One such succession is found in the Kleszczów Graben. The high content of organogenic material is a specific characteristic. One of the major fluviolacustrine units in the graben is the Czy
ów Series, formed during a Pleistocene interstadial. The series is characterized by abundant penecontemporaneous deformation structures whose formation was favoured by both the grain-size distribution (with a relatively high silt content) and repeated tectonic displacements that served as a trigger mechanism. The analysis of these structures forms the main topic of the present contribution. Endogenic activity within the graben emerged as the main cause not only of normal tectonic deformations, but also of a large number of deformations that are usually considered to have a sedimentary or non-tectonic diagenetic origin.
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