Talks, field trips and events organised by west country geological organisations are publicised on this blog. Discussion about geological topics is encouraged. Anything of general geological interest is included.
Wednesday, 18 December 2013
Yellowstone and more
Evidence has been found of twenty ancient supervolcanoes near the Utah-Nevada border. Supervolcanoes are giant volcanoes that blast out more than 1,000 cubic km of volcanic material when they erupt. They are different from the more familiar straddle volcanoes because they aren’t as obvious to the naked eye and affect enormous areas.
Read more.
Labels:
General Interest
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