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Wednesday, August 3, 2011
volcanism
volcanism
Volcanism is all the events associated with the magma reaches the surface of the earth comes out through cracks in the crust or through a central tube (canal crater / diatrema).
Magma that comes out to the earth's surface is called lava.
Volcanism may be an eruption, melt, or a mixture of eruption and melt.
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