class09a - AST 309S The Solar System MWF 11-12 John Lacy R...

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AST 309S The Solar System MWF 11-12 John Lacy RLM 16.332, M-F 12-12:30 471-1469 lacy@astro.as.utexas.edu Amanda Bayless Daniel Kagan RLM 16.312, Th 10-12 RLM 16.322A, W 3-5 471-3462 232-3923 baylessa@astro.as.utexas.edu kagan@astro.as.utexas.edu class website: www.as.utexas.edu courses AST 309S username: AST password: 309
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Reading for this week Chapter 3: Volcanism The test on Friday will cover chapters 1-3.
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Topics from chapter 3 causes of volcanism, causes of melting in mantle locations of volcanism: spreading zone, subduction zone, hot spot composition of lava and basalt, partial melting types of volcanism: effusive and explosive differences on different planets: different appearances, effect of gravity, atmospheric density, temperature cryovolcanism
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Types of volcanism Effusive volcanism: relatively slow oozing of lava, like in Hawaii. Shield volcanoes are formed in this way. Flood basalts, which cover much of southern Washington state, result from large quantities of such lava flows. Explosive volcanism: violent ejection of lava, like from Mt.
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class09a - AST 309S The Solar System MWF 11-12 John Lacy R...

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