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Dating Pleistocene aeolian landforms in Hungary, Central Europe, using in situ produced cosmogenic 10Be

Ruszkiczay-Rüdiger, Zsófia and Braucher, R. and Csillag, Gábor and Fodor, László and Dunai, T. J. (2011) Dating Pleistocene aeolian landforms in Hungary, Central Europe, using in situ produced cosmogenic 10Be. QUATERNARY GEOCHRONOLOGY, 6 (6). pp. 515-529. ISSN 1871-1014

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Abstract

In the Western Pannonian Basin the widespread occurrence of ventifacts and large-scale deflation features indicate strong wind activity during the Quaternary. Pleistocene glaciations are probably the most important periods of wind erosion. However, age of the wind-polished rock surfaces exposed on different geomorphic horizons has remained unknown so far, although they can provide time constraints of landscape evolution. Measurements of 10Be concentrations along depth profiles of exposed wind-facetted rocks allow deriving local denudation rates of 3.46-3.88 m/Ma and exposure ages as old as 1.5 Ma. Regional denudation, which occurred mainly via deflation of the loose sediments, varies between 40 and 80 m/Ma. This study provides evidence that aeolian erosion in continental, periglacial areas of Central Europe played an important role in Quaternary landscape modification. © 2011 Elsevier B.V.

Item Type: Article
Uncontrolled Keywords: Wind abrasion; Ventifact; Quaternary; Exposure age; Depth profile; Denudation rate; Deflation; Cosmogenic beryllium-10
Subjects: Q Science / természettudomány > QE Geology / földtudományok
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 22 Sep 2014 16:35
Last Modified: 26 Jan 2016 12:53
URI: http://real.mtak.hu/id/eprint/15898

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