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The dark red is extremely hot liquid rock (magma) in the upward-rising part of the convection current in the upper mantle. The magma has melted cracks in the asthenosphere and crust and is pushed up to the surface. Cold ocean water turns the magma into solid rock at location "1", the East Pacific Rise. This new, hot ocean crust is the highest elevation ocean crust. Question: since the new crust at "1" is hottest and at highest elevation, does that mean it has high density or low density? [hint: use what you already know about density and your common sense!) Type high or low for your answer.

The dark red is extremely hot liquid rock (magma) in the upward-rising part of the convection current in the upper mantle. The magma has melted cracks in the asthenosphere and crust and is pushed up to the surface. Cold ocean water turns the magma into solid rock at location "1", the East Pacific Rise. This new, hot ocean crust is the highest elevation ocean crust. Question: since the new crust at "1" is hottest and at highest elevation, does that mean it has high density or low density? [hint: use what you already know about density and your common sense!) Type high or low for your answer.

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
Problem 1LR
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The dark red is extremely hot liquid rock (magma) in the upward-rising part of the convection current in the upper mantle. The magma has melted cracks in the asthenosphere and crust and is pushed up to the surface. Cold ocean water turns the magma into solid rock at location "1", the East Pacific Rise. This new, hot ocean crust is the highest elevation ocean crust. Question: since the new crust at "1" is hottest and at highest elevation, does that mean it has high density or low density? [hint: use what you already know about density and your common sense!) Type high or low for your answer. continent SUBDUCTION ZONE trench island arc marginal basin mid-ocean ridge accretionary wedge sediments 2. ASTHENOSPHERE MESOSPHERE
Transcribed Image Text:The dark red is extremely hot liquid rock (magma) in the upward-rising part of the convection current in the upper mantle. The magma has melted cracks in the asthenosphere and crust and is pushed up to the surface. Cold ocean water turns the magma into solid rock at location "1", the East Pacific Rise. This new, hot ocean crust is the highest elevation ocean crust. Question: since the new crust at "1" is hottest and at highest elevation, does that mean it has high density or low density? [hint: use what you already know about density and your common sense!) Type high or low for your answer. continent SUBDUCTION ZONE trench island arc marginal basin mid-ocean ridge accretionary wedge sediments 2. ASTHENOSPHERE MESOSPHERE
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