New Delhi: Researchers from the University of St Andres discovered ash particles from a moderate US volcanic eruption, inside ice cores from Greenland. The research proves that debris travelled over 5,000 kilometres. A paper describing the research has been published in Quaternary Science Reviews. The team matched ash fragments as small as 0.02 millimetres from the Greenland ice sheet to the Newberry Volcano in Oregon using geochemical fingerpri…
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