Magma Viscosity, Gas Content & Milkshakes
This video describes the principal control on the violence of volcanic eruptions. We define the term viscosity and show examples of everyday materials with different viscosity. Next we are splattered with soda and milkshake to illustrate how gases can drive volcanic eruptions (the sacrifices we make for science). Finally, we explain how viscosity and gas content influence the style of eruptions from shield and composite volcanoes.
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