Perspectives

Volcanic Dilemma--Flow or Blow?

Science  23 Aug 1996:
Vol. 273, Issue 5278, pp. 1054-1055
DOI: 10.1126/science.273.5278.1054

Summary

Volcanic eruptions can be either slow outpourings of lava or explosive ejections of fragmented rock. In his Perspective, Dingwell discusses the physical and chemical properties of magma that lead to these two styles of eruption. New experiments and computer simulations are pointing to the involvement of solidlike behavior of liquid magma when it makes a transition to a glass.

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