Researchers from Arizona State University made the discovery after analysing rocks from Yellowstone’s Lava Creek Tuff – a fossilised deposit of ash from Yellowstone’s last supereruption
Their study revealed trace crystals in the ash which contained details of temperature, pressure and water beneath the volcano.
Speaking to the New York Times, Dr Christy Till, an author of the study, said: ‘We expected that there might be processes happening over thousands of years preceding the eruption.’
Read more: http://www.dailymail.co.uk/sciencetech/article-4969006/Build-Yellowstone-eruption-just-10-YEARS.html#ixzz4vNriMCFt
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Source: Build-up to Yellowstone eruption could take just 10 YEARS | Daily Mail Online