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Textbook theory behind volcanoes may be wrong

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avatar Textbook theory behind volcanoes may be wrong
September 09, 2014 02:53PM
In the typical textbook picture, volcanoes, such as those that are forming the Hawaiian islands, erupt when magma gushes out as narrow jets from deep inside Earth. But that picture is wrong, according to a new study from researchers who conclude that seismology data are now confirming that such narrow jets don't actually exist.

http://www.sciencedaily.com/releases/2014/09/140908152924.htm
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