Consider the effects of adding a layer of seawater above the oceanic crust. When you add a layer of seawater that is 4 km deep (with a water density of 1.02 g/cm3 or 1020 kg/m3), what is the new difference between the elevation of the continental crust relative to the ocean crust? Draw a diagram to illustrate your answer, in addition to your calculations. (A hint to get you started, you will need to modify the equation for the pressure above the compensation point to include the colum of water in addition to the ocean crust and mantle.)

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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Consider the effects of adding a layer of seawater above the oceanic crust. When you add a layer of seawater that is 4 km deep (with a water density of 1.02 g/cm3 or 1020 kg/m3), what is the new difference between the elevation of the continental crust relative to the ocean crust? Draw a diagram to illustrate your answer, in addition to your calculations. (A hint to get you started, you will need to modify the equation for the pressure above the compensation point to include the colum of water in addition to the ocean crust and mantle.)
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