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2 Geological Quarterly

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Early Vistulian vegetation history and climate change at Gutów (Wielkopolska Lowland) from pollen analysis

Malkiewicz M.

Geological Quarterly

2010

Vol. 54, No 3

357-366

Pollen assemblages in peat and silt deposits from a core drilled at Gutów, Wielkopolska Lowland, have been analysed, enabling characterization of the development of vegetation and of palaeoenviromental change. The pollen analysis shows phases with forest and open vegetation communities alternating in response to climate changes. The age of the succession can be related to the stadials and interstadials of the Early Vistulian.

Stratigraphy and lithology of Quaternary sediments in the Kleczew region and in key sections of the eastern Wielkopolska Lowland, central Poland

Widera M.

Geological Quarterly

2000

Vol. 44, Nr 2

211-220

The stratigraphy and lithology of the Quaternary deposits of the Kleczew region are analysed in a regional context. They can be correlated with the Preglacial, Narevian(?), South Polish, Middle Polish and Vistulian Glaciations, and the Podlasian, Zbójno and Eemian Interglacials. Large glaciotectonic structures, commonly encountered in lignite mines, proved useful in correlating grey tills of the older Pleistocene glaciations. Lithology, stratigraphy, thickness and palaeomorphology of the Pleistocene sediments were presented in the key sites Konin-Marantów, Mikorzyn, Sławoszewek and in 6 borehole sections. A regional lithostratigraphic scheme of the Quaternary in the eastern Wielkopolska Lowland was constructed basing on petrographic coefficients of tills, lithology, genesis and, finally, on hypsometric setting and thickness. In the light of these studies the maximum ice sheet unit of the Oldest Glaciation should be moved to the south from Kleczew. Moreover, tills of the Odranian, Wartanian and Vistulian Glaciations were found.