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Evolution of an overdeepened trough in the northern Alpine Foreland at Niederweningen, Switzerland


Dehnert, A; Lowick, S E; Preusser, F; Anselmetti, F S; Drescher-Schneider, R; Graf, H R; Heller, F; Horstmeyer, H; Kemna, H A; Nowaczyk, N R; Züger, A; Furrer, H (2012). Evolution of an overdeepened trough in the northern Alpine Foreland at Niederweningen, Switzerland. Quaternary Science Reviews, 34:127-145.

Abstract

Quaternary deposits in the overdeepened Wehntal, Switzerland, were investigated using both seismic profiling and the analysis of 93.6 m long drill core using sedimentology, geochemistry, palynology, magnetic properties, and luminescence dating. The sediments reveal evidence for two glacial advances that reached the area during Marine Isotope Stage (MIS) 6. The first advance (∼185 ka) may have carved out the basin or at least removed the entire previous Quaternary sediment filling. This first advance likely reached far beyond the limit of the maximum of the Last Glaciation. The second advance (∼140 ka) was of smaller extent, possibly of cold-based nature, and likely reached only slightly beyond the limits of the Last Glaciation.

Abstract

Quaternary deposits in the overdeepened Wehntal, Switzerland, were investigated using both seismic profiling and the analysis of 93.6 m long drill core using sedimentology, geochemistry, palynology, magnetic properties, and luminescence dating. The sediments reveal evidence for two glacial advances that reached the area during Marine Isotope Stage (MIS) 6. The first advance (∼185 ka) may have carved out the basin or at least removed the entire previous Quaternary sediment filling. This first advance likely reached far beyond the limit of the maximum of the Last Glaciation. The second advance (∼140 ka) was of smaller extent, possibly of cold-based nature, and likely reached only slightly beyond the limits of the Last Glaciation.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Paleontological Institute and Museum
Dewey Decimal Classification:560 Fossils & prehistoric life
Uncontrolled Keywords:Glacial overdeepening, , , MIS 6, , , Sediment core, , , Pollen analysis, , , Luminescence dating
Language:English
Date:2012
Deposited On:01 Feb 2012 13:17
Last Modified:16 Feb 2018 23:18
Publisher:Elsevier
ISSN:0277-3791
OA Status:Closed
Publisher DOI:https://doi.org/10.1016/j.quascirev.2011.12.015

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