Evidence for Two Intervals of Enhanced (10)Be Deposition in Antarctic Ice during the Last Glacial Period

Concentrated cores of cosmic ray produced 10Be in deep ice cores from Dome C and Vostok Antarctica were studied. In both of these cores, the concentration of 10Be found in ice from the late glacial period was almost two times larger than that found in ice of the Holocene period. Detailed concentrati...

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Bibliographic Details
Published in:Nature (London) 1987-03, Vol.326 (6110), p.273-273
Main Authors: Raisbeck, G M, Yiou, F, Bourles, D, Lorius, C, Jouzel, J, Barkov, N I
Format: Article
Language:English
Subjects:
Cores
Cosmic rays
Glaciers
Holocene
Ice
Prehistoric era
Online Access:Get full text
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Summary:Concentrated cores of cosmic ray produced 10Be in deep ice cores from Dome C and Vostok Antarctica were studied. In both of these cores, the concentration of 10Be found in ice from the late glacial period was almost two times larger than that found in ice of the Holocene period. Detailed concentration profiles are discussed.
ISSN:0028-0836
1476-4687
DOI:10.1038/326273a0