Chapter 7 Fires Within: Igneous Activity The Nature of Volcanic Eruptions Characteristics of a magma determine the “violence” or explosiveness of an eruption Composition Temperature Dissolved gases The above three factors actually control the viscosity of a magma
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Chapter 7 Fires Within: Igneous Activity
Figure 7.5 A
Figure 7.6 (top)
Formation of Crater Lake, Oregon
Figure 7.22 B
End of Chapter 7