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A major glacial-interglacial change in aeolian dust composition inferred from Rare Earth Elements in Antarctic ice

Gabrielli, Paulo; Wegner, Anna; Petit, Jean Robert; Delmonte, Barbara; De Deckker, Patrick; Gaspari, Vania; Fischer, Hubertus; Ruth, Urs; Kriews, Michael; Boutron, Claude; Cescon, Paolo; Barbante, Carlo


We present the first Rare Earth Elements (REE) concentration record determined in 294 sections of an Antarctic ice core (EPICA Dome C), covering a period from 2.9 to 33.7 kyr BP. REE allow a detailed quantitative evaluation of aeolian dust composition because of the large number of variables (i.e. 14 elements). REE concentrations match the particulate dust concentration profile over this period and show a homogeneous crustal-like composition during the last glacial stage (LGS), with only a...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Quaternary Science Reviews
DOI: 10.1016/j.quascirev.2009.09.002


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