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100 km 124 The Dynamic Ocean Floor 10. Describe the origin of volcanoes on the ocean floor and along continental margins bordering ocean trenches. Ocean-floor volcanoes: Volcanoes along continental margins bordering ocean trenches: 11. Figure 9 illustrates a generalized cross-section of the plate boundary along the western edge of South America. Use Figure 9 to answer the fol- lowing questions. a. Label each of the following features on Figure 9. asthenosphere deep-ocean trench continental volcanic arc continental crust oceanic crust continental lithosphere oceanic lithosphere b. What type of plate boundary is illustrated by the figure? Write a general description of this type of boundary. c. Referring to Figure 3, identify by name the plates illustrated in the block diagram in Figure 9. Write the name of each plate at the appropriate location on the block diagram. 12. In your own words, describe the theory of plate tectonics. List at least two lines of evidence used to support the theory. Figure 9 Generalized cross-section of the plate boundary along the western edge of South America.

100 km 124 The Dynamic Ocean Floor 10. Describe the origin of volcanoes on the ocean floor and along continental margins bordering ocean trenches. Ocean-floor volcanoes: Volcanoes along continental margins bordering ocean trenches: 11. Figure 9 illustrates a generalized cross-section of the plate boundary along the western edge of South America. Use Figure 9 to answer the fol- lowing questions. a. Label each of the following features on Figure 9. asthenosphere deep-ocean trench continental volcanic arc continental crust oceanic crust continental lithosphere oceanic lithosphere b. What type of plate boundary is illustrated by the figure? Write a general description of this type of boundary. c. Referring to Figure 3, identify by name the plates illustrated in the block diagram in Figure 9. Write the name of each plate at the appropriate location on the block diagram. 12. In your own words, describe the theory of plate tectonics. List at least two lines of evidence used to support the theory. Figure 9 Generalized cross-section of the plate boundary along the western edge of South America.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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-100 km 124 The Dynamic Ocean Floor 10. Describe the origin of volcanoes on the ocean floor and along continental margins bordering ocean trenches. Ocean-floor volcanoes: Volcanoes along continental margins bordering ocean trenches: 11. Figure 9 illustrates a generalized cross-section of the plate boundary along the western edge of South America. Use Figure 9 to answer the fol- lowing questions. a. Label each of the following features on Figure 9. asthenosphere deep-ocean trench continental volcanic arc continental crust oceanic crust continental lithosphere oceanic lithosphere b. What type of plate boundary is illustrated by the figure? Write a general description of this type of boundary. c. Referring to Figure 3, identify by name the plates illustrated in the block diagram in Figure 9. Write the name of each plate at the appropriate location on the block diagram. 12. In your own words, describe the theory of plate tectonics. List at least two lines of evidence used to support the theory. Figure 9 Generalized cross-section of the plate boundary along the western edge of South America.
Transcribed Image Text:-100 km 124 The Dynamic Ocean Floor 10. Describe the origin of volcanoes on the ocean floor and along continental margins bordering ocean trenches. Ocean-floor volcanoes: Volcanoes along continental margins bordering ocean trenches: 11. Figure 9 illustrates a generalized cross-section of the plate boundary along the western edge of South America. Use Figure 9 to answer the fol- lowing questions. a. Label each of the following features on Figure 9. asthenosphere deep-ocean trench continental volcanic arc continental crust oceanic crust continental lithosphere oceanic lithosphere b. What type of plate boundary is illustrated by the figure? Write a general description of this type of boundary. c. Referring to Figure 3, identify by name the plates illustrated in the block diagram in Figure 9. Write the name of each plate at the appropriate location on the block diagram. 12. In your own words, describe the theory of plate tectonics. List at least two lines of evidence used to support the theory. Figure 9 Generalized cross-section of the plate boundary along the western edge of South America.
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