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Ogólna charakterystyka stanowiska Koźmin Las

100%

Dzieduszyńska D., Twardy J.

Acta Geographica Lodziensia

2014

vol. 102

11-21

Stanowisko Koźmin Las zlokalizowane jest na obszarze dobrze rozpoznanym w trakcie studiów geologicznych i geomorfologicznych prowadzonych przez badaczy z ośrodka łódzkiego od lat 90. ub. wieku w odkrywkach węgla brunatnego Kopalni Węgla Brunatnego „Adamów”. Od 2010 roku realizowane były tutaj wielowskaźnikowe badania nad znaleziskiem kopalnego lasu ze schyłku późnego vistulianu. Pozostałość in situ bardzo dobrze zachowanych szczątków drzew z tego okresu jest rzadkością w skali europejskiej. Uzyskane wyniki stały się podstawą wniosków paleośrodowiskowych i paleogeograficznych.

Koźmin Las site is located in the well recognized area during the geological and geomorphological studies con-ducted since 90s of the last century in the ocucrops of the Adamów JSC Lignite Mine in Central Poland. Since 2010 have been undertaken multiproxy investigations on the sediments with relicts of former riparian forest dated back at the Vistulian Lateglacial. Well-preserved tree trunks and in situ stamps from this period are rare on a European scale. Obtained results were the basis of palaeoenvironmental and palaeogeographical conclusions

Rola procesów glacjalnych w kształtowaniu rzeźby południowego obrzeżenia Kotliny Kolskiej

70%

Rdzany Z., Szmidt A., Tarnawska K.

Biuletyn Uniejowski

2013

vol. 2

5-22

The article analyses the southern part of the expansion of the Bzura-Ner Spillway (Bzura-Ner Pradolina), called the Koło Basin as well as neighbouring areas of the Łask Upland Plain and the Turek Upland Plain. The purpose of the study was to present the role of Pleistocene glaciations, especially the Warta Glaciation and, in particular, their role in the evolution of land relief in this area. It was noted that morphological activity of continental glaciers depended on morphology, lithology and dynamics of the bedrock. Special attention was paid to effects characteristic of the transgression and disappearance of the Warta ice sheet. A survey of geological and geomorphological literature, analyses of archival data, mainly the accounts of geological drillings as well as results of geomorphological and palaeogeomorphological research constitute the basis for the presented data and views. It was found that successive continental glaciers had reduced height differences of the Pleistocene bedrock without obliterating the main forms in the area. Despite the genetic diversity of forms, postglacial forms and sediments – which emerged during the glaciation of the Warta (the last glaciation in this area) – play a predominant part in the described area. The features of glacial tills and fluvioglacial and limnoglacial sediments which form Wartian mounds, hills, and ridges prove that at the end of the Warta glaciation, during deglaciation (in the Bzura sub-phase), the dynamics of glacial processes was intensified. Accumulation of ice in the lower part of the current Koło Basin was conducive to increased dynamics of the ice lobe through oscillations and, possibly, through glacial surges. However, activity of the ice sheet edge has been blurred as a result of areal deglaciation, which is documented by numerous kames – the most widespread convex glacial forms in the area.

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1 Acta Geographica Lodziensia

1 Biuletyn Uniejowski

1 2014

1 2013

1 Dzieduszyńska D.

1 Rdzany Z.

1 Szmidt A.

1 Tarnawska K.

1 Twardy J.

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Ogólna charakterystyka stanowiska Koźmin Las

Rola procesów glacjalnych w kształtowaniu rzeźby południowego obrzeżenia Kotliny Kolskiej