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Nat Dis Quiz 6
Quiz Questions
| Question | Answer |
|---|---|
| “Viscosity” of lava means __________________ | Thickness (stiffness or resistance to flow) |
| This type of ultra-mafic lava last erupted on Earth billions of years ago, and is erupting today on Io, a large Moon on Jupiter. | Komatiite lava |
| What type of lava has the greatest likelihood of erupting explosively? | High-silica, felsic rhyolite lava |
| When the ultra-mafic is only partially melted, the partial melt will be ___________ in silica content than the ultra-mafic mantle. | Higher |
| Classic volcanic cones that can be as much as 10,000 feet in height, and which consist of alternating layers of loose cinders and lava flow rock, are called ____________ | Composite or “Stratovolcanoes” |
| Small volcanic cones, no more than 1,000 to 1,300 feet in height, consisting of loose, pyroclastic debris: | Cinder cones |
| What type of lava is most likely to erupt non-explosively? | Low-silica, mafic basalt lava |
| A plug of rhyolitic lava in a volcanic crater would most likely be a _____________ | Volcano dome |
| The largest volcanic cone in the solar system is a _________________ | Shield volcano |
| The dark areas on the Moon, which Galileo mistakenly called “mare” (seas), are really _______________ | Flood basalts |
Created by:
ecmurray
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