OSL and ESR studies of Aeolian quartz from the Upper Pleistocene loess sequence of Nussloch (Germany)

H Tissoux,H Valladas,P Voinchet,J.L Reyss,N Mercier,C Falguères,J.-J Bahain,L Zöller,P Antoine

doi:10.1016/j.quageo.2009.03.009

OSL and ESR studies of Aeolian quartz from the Upper Pleistocene loess sequence of Nussloch (Germany)

H Tissoux, H Valladas + Show 7 more

https://doi.org/10.1016/j.quageo.2009.03.009

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Journal: Quaternary Geochronology	Publication Date: Apr 11, 2009
Citations: 36

Affiliation: Histoire Naturelle de l’Homme Préhistorique, Laboratoire des Sciences du Climat et de l'Environnement, Versailles Saint-Quentin-en-Yvelines University, Atomic Energy and Alternative Energies Commission, French National Centre for Scientific Research, Institut de Recherche sur les ArchéoMATériaux, University of Bordeaux, University of Bayreuth, Laboratoire de Géographie Physique

#Partial Bleaching #Loess Sequence + Show 8 more

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Abstract

As part of a chronological study of the famous Upper Pleistocene Nussloch (Germany) loess sequence, three samples were collected to check the applicability of palaeodosimetric dating methods (OSL and ESR) to quartz grains. The ESR-multicentre method showed a partial bleaching of the ESR centers in aeolian sands. This partial bleaching was also observed by OSL. Laminated loess seemed to be sufficiently bleached but showed a large scatter of the doses, which we ascribed to heterogeneous responses of the luminescent grains to the SAR protocol. Ages could nevertheless be calculated for the three samples and were found to be somewhat older than the IRSL and 14C ages obtained for the same layers of the laminated loess.

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