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Reconstruction of subglacial depositional conditions based on the anisotropy of magnetic susceptibility: an example from Dębe (central Poland)

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dc.abstract.enThe analysis of low-field anisotropy of magnetic susceptibility (AMS) was used to reconstruct the subglacial deposition conditions during the Main Stadial of the Odranian Glaciation (MIS 6) in till deposits from a site in Dębe (central Poland). Based on the AMS parameters, six till beds were identified (intervals 1–6). The declination of the maximum magnetic susceptibility axis (k1) indicates that the ice sheet was moving in from the northwest. The obtained results confirm the thesis about the preferred direction of ice-sheet transgression during the Odranian Glaciation (MIS 6) in this part of Poland. This interpretation is also confirmed by data obtained from measurements of the long axis of clasts, which agree with the orientation of k1. Based on the AMS results, a significant part of the profile was deformed through simple shear and direct interaction of the ice sheet with the underlying sediment (beds 2–5). The lowest part of the till (bed 6) may have been deposited on a southeast-trending slope or post-depositional deformed by uneven loading of the ice cover. The upper part of the profile (especially in interval 1) could be deposited with an impact of pore water.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorDzierżek, Jan
dc.contributor.authorZiółkowski, Piotr
dc.contributor.authorTeodorski, Artur
dc.date.accessioned2024-01-25T19:08:05Z
dc.date.available2024-01-25T19:08:05Z
dc.date.issued2021
dc.description.financePublikacja bezkosztowa
dc.description.number3
dc.description.volume36
dc.identifier.doi10.1002/JQS.3284
dc.identifier.issn0267-8179
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/118052
dc.identifier.weblinkhttps://onlinelibrary.wiley.com/doi/pdf/10.1002/jqs.3284
dc.languageeng
dc.pbn.affiliationearth and related environmental sciences
dc.relation.ispartofJournal of Quaternary Science
dc.relation.pages391-402
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.titleReconstruction of subglacial depositional conditions based on the anisotropy of magnetic susceptibility: an example from Dębe (central Poland)
dc.typeJournalArticle
dspace.entity.typePublication