Volcano-types (explosive or effusive) explained by feeding from different magma layers, "L´Ecorce terrestre" (1874) http://pic.twitter.com/a15q7lZU2T
— David Bressan (@David_Bressan) March 24, 2016
via Twitter https://twitter.com/David_Bressan
March 24, 2016 at 09:59PM
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