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Geology
Summary
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Earth's surface 75% water
-- different from other terrestrial planets
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Rocks are mineral(s)
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Igneous, Sedimentary, metamorphic
rocks
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Earth: inner core, outer
core, mantle, crust
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Crust divided into plates
-- unique among terrestrial planets
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Plates move because of convection
in upper mantle
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earthquakes
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continental drift, Pangea
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Volcanos -- hot spot volcanism
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