Dynamic Earth chapter 6
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Created by:
keeperskilz on October 20, 2009
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8 terms
Terms | Definitions |
|---|---|
 silica content; low viscosity=low silica content. lava flow. high viscosity=explosive | what determines the viscosity of lava |
| shield (huge, low slopes low viscosity), cinder cone (grow along volcs, small, groups) , composite volcano (high viscosity, sharp slope), fissure eruption (mid ocean ridge) | sketch and describe 4 types of volcanoes |
| pressure low equals low gas content. pressure high is high gas content. low viscosity escape easily | explain how gas is dissolved in magma and how it behaves at different depths in a magma |
| increase in any increase likelyhood | describe how seismic events, volcanic glasses, and topographical changes can be used to understand and predict volcanic eruptions |
| basaltic, low sloping, magma flow, mafic | describe the type of magma and other general characteristics of a shield volcano |
| cone, sizemicity, | summarize the ways to assess the potential danger of a volcano and identify which areas around a volcano have the highest potential hazard |
| steep slope, felsic, pyroclastic flow, high volitile contents, cinder cones | describe and sketch the characteristics of a composite volcano, including is internal structure |
| ring of fire, subvergent boundary. | summarize the parts of the world that have the highest potential for volcanic eruptions and explain why. |
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