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In the process of subduction, part of the earth's lithosphere is destroyed as it goes down into the mantle and melts. Yet studies show that the crust of the earth has not been reduced. How do you think the earth is able to conserve the lithosphere? Write your answer on the following lines.

In the process of subduction, part of the earth's lithosphere is destroyed as it goes down into the mantle and melts. Yet studies show that the crust of the earth has not been reduced. How do you think the earth is able to conserve the lithosphere? Write your answer on the following lines.

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
Section: Chapter Questions
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Compare your answer with that in the Answer Key on page 41. lines. do you think the earth is able to conserve the lithosphere? Write your answer on the following into the mantle and melts. Yet studies show that the crust of the earth has not been reduced. How In the process of subduction, part of the earth's lithosphere is destroyed as it goes down CA Let's Think About This Oceanic crust Trench Lithosphere. Continental crust -Asiheriosphere Lithosphere Asthenosphere When an oceanic crust goes under a continental crust, magma wells up from the asthenosphere and volcanoes are formed. When two oceanic plates collide, subduction also occurs. An island arc (a chain of oce- slands) is formed in this process. Did you know that the Philippines is an island arc? Trenches lso formed in the process. Trenches are the deepest parts of the ocean floor. Examples of renches are the Philippine Trench (the deepest part of the Philippines) and the Marianas Trencia (the deepest part of the world). Oceanic crust Trench Lithosphere eland arc Continental Asthenosphere Lithosphere crust When t wo oceanic plates collide, one goes down under the other and an issland are is forme Asthenòsphere
Transcribed Image Text:Compare your answer with that in the Answer Key on page 41. lines. do you think the earth is able to conserve the lithosphere? Write your answer on the following into the mantle and melts. Yet studies show that the crust of the earth has not been reduced. How In the process of subduction, part of the earth's lithosphere is destroyed as it goes down CA Let's Think About This Oceanic crust Trench Lithosphere. Continental crust -Asiheriosphere Lithosphere Asthenosphere When an oceanic crust goes under a continental crust, magma wells up from the asthenosphere and volcanoes are formed. When two oceanic plates collide, subduction also occurs. An island arc (a chain of oce- slands) is formed in this process. Did you know that the Philippines is an island arc? Trenches lso formed in the process. Trenches are the deepest parts of the ocean floor. Examples of renches are the Philippine Trench (the deepest part of the Philippines) and the Marianas Trencia (the deepest part of the world). Oceanic crust Trench Lithosphere eland arc Continental Asthenosphere Lithosphere crust When t wo oceanic plates collide, one goes down under the other and an issland are is forme Asthenòsphere
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