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Last glacial period cryptotephra deposits in an eastern North Atlantic marine sequence: Exploring linkages to the Greenland ice-cores ArchiMer
Abbott, P. M.; Bourne, A. J.; Purcell, C. S.; Davies, S. M.; Scourse, J. D.; Pearce, N. J. G..
The establishment of a tephra framework for the Greenland ice-cores spanning the last glacial period, particularly between 25 and 45 Ica b2k, provides strong potential for precisely correlating other palaeoclimatic records to these key archives. Tephra-based synchronisation allows the relative timing of past climatic changes recorded within different depositional environments and potential causal mechanisms to be assessed. Recent studies of North Atlantic marine records have demonstrated the potential of tracing cryptotephra horizons in these sequences and the development of protocols now allows a careful assessment of the isochronous nature of such horizons. Here we report on tephrochronological investigations of a marine sequence retrieved from the Goban...
Tipo: Text Palavras-chave: Tephrochronology; Palaeoclimate synchronisation; Volcanic ash; Isochrons; Iceland; Major and trace element geochemistry.
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00421/53274/83380.pdf
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