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A possible volcanic origin for the Greenland ice core Pt anomaly near the Bølling-Allerød/Younger Dryas boundary

Charlotte E. Green; James U. L. Baldini; Richard J. Brown dkk.

PLOS One, Vol. 20 No. 9 · 2025 · Inggris · PLOS Scopus

The Younger Dryas Event (YDE) is the most recent and most well-understood millennial-scale cooling event. A deglacial meltwater pulse is the traditionally accepted trigger for the event, but both a bolide impact and volcanism are recently advanced alternative explanations. A high Pt/Ir and Pt/Al…