All Choked Up: How to Read Volcano Throats http://t.co/pcOfbFeZ
July 24, 2012
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All Choked Up: How to Read Volcano Throats : Discovery News
When the next big volcano blows, will we get a buoyant plume of sky-choking ash or a ground-scorching pyroclastic flow peppered with palm-sized chunks of pumice? It turns out that chunks of rock racing up the throat a volcano make all the difference in how it will spew.
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