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Quaternary glaciation history of northern Switzerland
Stockholm University, Faculty of Science, Department of Physical Geography and Quaternary Geology.
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2011 (English)In: E&G Quaternary Science Journal, ISSN 0424-7116, Vol. 60, 282-305 p.Article in journal (Refereed) Published
Abstract [en]

A revised glaciation history of the northern foreland of the Swiss Alps is presented by summarising field evidence and chronologicaldata for different key sites and regions. The oldest Quaternary sediments of Switzerland are multiphase gravels intercalated bytill and overbank deposits (‘Deckenschotter’). Important differences in the base level within the gravel deposits allows the distinguishingof two complex units (‘Höhere Deckenschotter’, ‘Tiefere Deckenschotter’), separated by a period of substantial incision.Mammal remains place the older unit (‘Höhere Deckenschotter’) into zone MN 17 (2.6–1.8 Ma). Each of the complexes containsevidence for at least two, but probably up-to four, individual glaciations. In summary, up-to eight Early Pleistocene glaciations ofthe Swiss alpine foreland are proposed. The Early Pleistocene ‘Deckenschotter’ are separated from Middle Pleistocene depositionby a time of important erosion, likely related to tectonic movements and/or re-direction of the Alpine Rhine (Middle PleistoceneReorganisation – MPR). The Middle-Late Pleistocene comprises four or five glaciations, named Möhlin, Habsburg, Hagenholz(uncertain, inadequately documented), Beringen, and Birrfeld after their key regions. The Möhlin Glaciation represents the mostextensive glaciation of the Swiss alpine foreland while the Beringen Glaciation had a slightly lesser extent. The last glacial cycle(Birrfeld Glaciation) probably comprises three independent glacial advances dated to ca. 105 ka, 65 ka, and 25 ka. For the last glacialadvance, a detailed radiocarbon chronology for ice build-up and meltdown is presented.

Place, publisher, year, edition, pages
2011. Vol. 60, 282-305 p.
National Category
Geosciences, Multidisciplinary
Research subject
Quarternary Geology
URN: urn:nbn:se:su:diva-69342OAI: diva2:476220
Available from: 2012-01-11 Created: 2012-01-11 Last updated: 2012-01-11Bibliographically approved

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Preusser et al. (2011) E&G QSJ(4733 kB)331 downloads
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