sp10_2a_106_Volc1

sp10_2a_106_Volc1 - Volcano Science Lake Toba Indonesia...

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Volcano Science Lake Toba Indonesia 74,000 yrs ago The greatest natural disaster in human history?
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What are volcanoes made of? Volcano (Mt. Fuji,Japan) Igneous Rock (Andesite) Mineral (Quartz) Atoms (Silicon-Oxygen Tetrahedron) Silicates: Silicon- Oxygen Tetrahedron
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What are volcanoes made of? Volcano (Mt. Fuji,Japan) Igneous Rock (Andesite) Mineral (Quartz) Atoms (Silicon-Oxygen Tetrahedron) Important Silicate Minerals Feldspars Quartz Micas Orthoclase Muscovite Olivine
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Mafic Minerals Low Silica (Mg, Fe) vs. Felsic Minerals High Silica (Al, K) Color Dark Colored Light Colored (including white, tan, orange) Density Heavy weight Light weight What are volcanoes made of? Volcano (Mt. Fuji,Japan) Igneous Rock (Andesite) Mineral (Quartz)
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Rock Cycle Magma Igneous Rocks Sedimentary Rocks Metamorphic Rocks Sediment Crystallization Melting Metamorphism Lithification Weathering Erosion Transport Deposition Igneous Rocks Sir James Hall Scottish Geologist
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Mafic (Basaltic) Magma Felsic (Rhyolitic) Magma Properties of Silicate Magma Mafic Felsic 1. Composition Low Silica (Mg,Fe,Ca) High Silica (Al, K, Na) 2. Temperature 3. Viscosity 4. Gas Content
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sp10_2a_106_Volc1 - Volcano Science Lake Toba Indonesia...

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