Geology Chapter 15 Geology The science devoted to the study of dynamic processes occurring on the Earth?s surface and in its interior Essential Question #1 What are the characteristics of the three major concentric zones of earth? Three Concentric Zones Core ? innermost zone Extremely hot Solid inner part surrounded by liquid molten material Mantle ? middle zone Outermost part is solid rock Asthenosphere = inner part made of hot partly melted pliable rock that flows Crust ? outermost zone Continental crust Oceanic crust Earth?s Crust and Upper Mantle Lithosphere = Crust and outermost Mantle Fig. 15-3, p. 337 Spreading center Ocean trench Plate movement Subduction zone Oceanic crust Continental crust Continental crust Material cools as it reaches the outer mantle
Chapter 15 powerpoint
Geology Chapter 15 Geology The science devoted to the study of dynamic processes occurring on the Earth?s surface and in its interior Essential Question #1 What are the characteristics of the three major concentric zones of earth? Three Concentric Zones Core ? innermost zone Extremely hot Solid inner part surrounded by liquid molten material Mantle ? middle zone Outermost part is solid rock Asthenosphere = inner part made of hot partly melted pliable rock that flows Crust ? outermost zone Continental crust Oceanic crust Earth?s Crust and Upper Mantle Lithosphere = Crust and outermost Mantle Fig. 15-3, p. 337 Spreading center Ocean trench Plate movement Subduction zone Oceanic crust Continental crust Continental crust Material cools as it reaches the outer mantle
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