Luminescence Dating of Fluvial Deposits from the Weser Valley, Germany

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Roskosch, J.; Tsukamoto, S.; Frechen, M.: Luminescence Dating of Fluvial Deposits from the Weser Valley, Germany. In: Geochronometria 42 (2015), Nr. 1, S. 126-138. DOI: https://doi.org/10.1515/geochr-2015-0015

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Sum total of downloads: 117




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Abstract: 
Luminescence dating was applied on coarse-grained monomineralic potassium-rich feld-spar and polymineralic fine-grained minerals of five samples derived from fluvial deposits of the Riv-er Weser in northwestern Germany. We used a pulsed infrared stimulated luminescence (IRSL) single aliquot regenerative (SAR) dose protocol with an IR stimulation at 50°C for 400 s (50 μs on-time and 200 μs off-time). In order to obtain a stable luminescence signal, only off-time IRSL signal was rec-orded. Performance tests gave solid results. Anomalous fading was intended to be reduced by using the pulsed IRSL signal measured at 50°C (IR50), but fading correction was in most cases necessary due to moderate fading rates. Fading uncorrected and corrected pulsed IR50 ages revealed two major fluvial aggradation phases during the Late Pleistocene, namely during marine isotope stage (MIS) 5d (100 ± 5 ka) and from late MIS 5b to MIS 4 (77 ± 6 ka to 68 ± 5 ka). The obtained luminescence ages are consistent with previous 230Th/U dating results from underlying interglacial deposits of the same pit, which are correlated with MIS 7c to early MIS 6.
License of this version: CC BY-NC-ND 3.0
Document Type: article
Publishing status: publishedVersion
Issue Date: 2015
Appears in Collections:Naturwissenschaftliche Fakultät

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pos. country downloads
total perc.
1 image of flag of Germany Germany 86 73.50%
2 image of flag of China China 9 7.69%
3 image of flag of United States United States 3 2.56%
4 image of flag of Austria Austria 3 2.56%
5 image of flag of South Africa South Africa 2 1.71%
6 image of flag of Vietnam Vietnam 2 1.71%
7 image of flag of Ukraine Ukraine 2 1.71%
8 image of flag of Japan Japan 2 1.71%
9 image of flag of Europe Europe 2 1.71%
10 image of flag of Netherlands Netherlands 1 0.85%
    other countries 5 4.27%

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