Ice sheet maximum limit of the Vistulian Glaciation in the mid-eastern Chełmno-Dobrzyń Lakeland, northern Poland
The maximum extent of the Vistulian Glaciation in the mid-eastern Chełmno-Dobrzyń Lakeland fell on the Maximum Phase of the Main Substage (ca. 20-18 ka BP). Geomorphologic and sedimentologic record of this phase combines a separate horizon of a lodgement till and associated glaciotectonites, a broad...
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Polish Geological Institute-National Research Institute
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ftjgq:oai:geojournals.pgi.gov.pl:article/8196 2024-09-15T18:12:14+00:00 Ice sheet maximum limit of the Vistulian Glaciation in the mid-eastern Chełmno-Dobrzyń Lakeland, northern Poland Wysota, Wojciech 2013-02-14 application/pdf https://gq.pgi.gov.pl/article/view/8196 eng eng Polish Geological Institute-National Research Institute https://gq.pgi.gov.pl/article/view/8196/pdf_288 10.7306/gq.v43i2.8196.g6740 https://gq.pgi.gov.pl/article/view/8196 Geological Quarterly; Vol. 43 No. 2 (1999); 189-202 Geological Quarterly; Tom 43 Nr 2 (1999); 189-202 1641-7291 10.7306/gq.v43i2 northern Poland Pleistocene Vistulian Glaciation ice sheet limit ice-marginal landforms and deposits info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2013 ftjgq https://doi.org/10.7306/gq.v43i2 2024-07-30T03:29:08Z The maximum extent of the Vistulian Glaciation in the mid-eastern Chełmno-Dobrzyń Lakeland fell on the Maximum Phase of the Main Substage (ca. 20-18 ka BP). Geomorphologic and sedimentologic record of this phase combines a separate horizon of a lodgement till and associated glaciotectonites, a broad higher level of the Dobrzyń sandur, hills and ridges of end moraines, a push moraine ridge, tunnel valleys, as well as melt-out tills and sands with boulders. The ice sheet maximum limit is marked by a sedimentary scarp to the south of Bryńsk, a morphologic scarp within a higher level of the Dobrzyń sandur to the south of Lidzbark Welski, and a morainic hill to the south-east of Koszelewy. Two glacial lobes became distinct within the ice sheet during the maximum phase: the Bryńsk lobe in the west (unfrozen to the bed, with its ice front in steady-state conditions), and the Lidzbark Welski lobe in the east (with complex thermal conditions). A well-developed subglacial drainage system was active within the Bryńsk ice lobe, with meltwaters runoff along the glacial tunnel valleys of the Lake Bryńsk and the Lake Lidzbark. At the maximum extent, the Lidzbark Welski lobe was in the steady-state conditions, similarly to the Bryńsk lobe, and the higher level of the Dobrzyń sandur was formed to the south of Lidzbark Welski. To the south of Koszelewy, short ice-marginal fans were formed. A minor oscillation of the ice front and development of a push moraine occurred in the western part of the Lidzbark Welski ice lobe. Article in Journal/Newspaper Ice Sheet Geological Quarterly |
institution |
Open Polar |
collection |
Geological Quarterly |
op_collection_id |
ftjgq |
language |
English |
topic |
northern Poland Pleistocene Vistulian Glaciation ice sheet limit ice-marginal landforms and deposits |
spellingShingle |
northern Poland Pleistocene Vistulian Glaciation ice sheet limit ice-marginal landforms and deposits Wysota, Wojciech Ice sheet maximum limit of the Vistulian Glaciation in the mid-eastern Chełmno-Dobrzyń Lakeland, northern Poland |
topic_facet |
northern Poland Pleistocene Vistulian Glaciation ice sheet limit ice-marginal landforms and deposits |
description |
The maximum extent of the Vistulian Glaciation in the mid-eastern Chełmno-Dobrzyń Lakeland fell on the Maximum Phase of the Main Substage (ca. 20-18 ka BP). Geomorphologic and sedimentologic record of this phase combines a separate horizon of a lodgement till and associated glaciotectonites, a broad higher level of the Dobrzyń sandur, hills and ridges of end moraines, a push moraine ridge, tunnel valleys, as well as melt-out tills and sands with boulders. The ice sheet maximum limit is marked by a sedimentary scarp to the south of Bryńsk, a morphologic scarp within a higher level of the Dobrzyń sandur to the south of Lidzbark Welski, and a morainic hill to the south-east of Koszelewy. Two glacial lobes became distinct within the ice sheet during the maximum phase: the Bryńsk lobe in the west (unfrozen to the bed, with its ice front in steady-state conditions), and the Lidzbark Welski lobe in the east (with complex thermal conditions). A well-developed subglacial drainage system was active within the Bryńsk ice lobe, with meltwaters runoff along the glacial tunnel valleys of the Lake Bryńsk and the Lake Lidzbark. At the maximum extent, the Lidzbark Welski lobe was in the steady-state conditions, similarly to the Bryńsk lobe, and the higher level of the Dobrzyń sandur was formed to the south of Lidzbark Welski. To the south of Koszelewy, short ice-marginal fans were formed. A minor oscillation of the ice front and development of a push moraine occurred in the western part of the Lidzbark Welski ice lobe. |
format |
Article in Journal/Newspaper |
author |
Wysota, Wojciech |
author_facet |
Wysota, Wojciech |
author_sort |
Wysota, Wojciech |
title |
Ice sheet maximum limit of the Vistulian Glaciation in the mid-eastern Chełmno-Dobrzyń Lakeland, northern Poland |
title_short |
Ice sheet maximum limit of the Vistulian Glaciation in the mid-eastern Chełmno-Dobrzyń Lakeland, northern Poland |
title_full |
Ice sheet maximum limit of the Vistulian Glaciation in the mid-eastern Chełmno-Dobrzyń Lakeland, northern Poland |
title_fullStr |
Ice sheet maximum limit of the Vistulian Glaciation in the mid-eastern Chełmno-Dobrzyń Lakeland, northern Poland |
title_full_unstemmed |
Ice sheet maximum limit of the Vistulian Glaciation in the mid-eastern Chełmno-Dobrzyń Lakeland, northern Poland |
title_sort |
ice sheet maximum limit of the vistulian glaciation in the mid-eastern chełmno-dobrzyń lakeland, northern poland |
publisher |
Polish Geological Institute-National Research Institute |
publishDate |
2013 |
url |
https://gq.pgi.gov.pl/article/view/8196 |
genre |
Ice Sheet |
genre_facet |
Ice Sheet |
op_source |
Geological Quarterly; Vol. 43 No. 2 (1999); 189-202 Geological Quarterly; Tom 43 Nr 2 (1999); 189-202 1641-7291 10.7306/gq.v43i2 |
op_relation |
https://gq.pgi.gov.pl/article/view/8196/pdf_288 10.7306/gq.v43i2.8196.g6740 https://gq.pgi.gov.pl/article/view/8196 |
op_doi |
https://doi.org/10.7306/gq.v43i2 |
_version_ |
1810449817792413696 |