Universität zu Köln

Harmand, Dominique, Voinchet, Pierre ORCID: 0000-0001-5875-9720, Cordier, Stephane, Bahain, Jean-Jacques ORCID: 0000-0002-1446-5568 and Rixhon, Gilles (2015). ESR DATING OF FLUVIAL TERRACES IN THE MOSELLE AND MEURTHE VALLEYS (FRANCE, GERMANY): CHRONOSTRATIGRAPHICAL IMPLICATIONS AND METHODOLOGICAL ISSUES. Quaternaire, 26 (1). S. 13 - 27. PARIS: SOC GEOLOGIQUE FRANCE. ISSN 1142-2904

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Abstract

The valleys of the River Moselle and one of its main tributaries, the Meurthc, are characterized by well-preserved fluvial terrace staircases. Whereas the younger terraces, attributed to recent glacial-interglacial cycles, have been dated by Optically Stimulated Luminescence (OSL), the chronology of the older terraces remains questionable due to the lack of absolute dating. Electron Spin Resonance (ESR) dating was therefore undertaken on Meurthe terrace Me4 (+30 m of relative elevation), Moselle terrace M7 (+70 m) near the French German border, and the so-called Main Terrace Complex of the German Moselle valley in the Rhenish massif. These main terraces are characterized by the constant absolute elevation of their base (-260 m a.s.I.) along the 150 km-long reach between Trier and Cochem, implying relative elevations ranging from to 130 to 180 m. The results from terrace Mc4 point to its formation during the second part of the Middle Pleistocene, a time span consistent with the Optically Stimulated Luminescence (OSL) ages of the younger terraces. Unfortunately, deposition cannot be allocated to a specific MIS due to the significant age uncertainties. Although abnormally young ages were obtained for the M7 terrace and for two sites in the Main Terrace Complex, two further sites belonging to this complex point to ages older than I Ma. While this result is consistent with the incision rates observed for the younger terraces, it would also refute the commonly assumed age of 800 ka allocated to the penultimate terrace within the complex.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Harmand, Dominique UNSPECIFIED UNSPECIFIED UNSPECIFIED Voinchet, Pierre UNSPECIFIED orcid.org/0000-0001-5875-9720 UNSPECIFIED Cordier, Stephane UNSPECIFIED UNSPECIFIED UNSPECIFIED Bahain, Jean-Jacques UNSPECIFIED orcid.org/0000-0002-1446-5568 UNSPECIFIED Rixhon, Gilles UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-410420
Journal or Publication Title:	Quaternaire
Volume:	26
Number:	1
Page Range:	S. 13 - 27
Date:	2015
Publisher:	SOC GEOLOGIQUE FRANCE
Place of Publication:	PARIS
ISSN:	1142-2904
Language:	French
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language QUATERNARY UPLIFT; HEAVY MINERALS; RHENISH SHIELD; RIVER INCISION; CLIMATE-CHANGE; PARIS BASIN; PLEISTOCENE; DEPOSITS; SYSTEM; QUARTZ Multiple languages Geosciences, Multidisciplinary Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/41042