Assuming isostatic compensation (crust density of 2750 kg/m3, and the mantle density is 3300 kg/m3), what will be the rate of average elevation change in an area with an average denudation rate of 1.5 meters per 1000 years (be sure to indicate positive or negative)? (Hint: Denudation is the only process that reduces crustal thickness here. If crustal thickness changes, the depth of the root must change. This occurs by surface uplift, since there is no erosion at the base of the crust.)
Assuming isostatic compensation (crust density of 2750 kg/m3, and the mantle density is 3300 kg/m3), what will be the rate of average elevation change in an area with an average denudation rate of 1.5 meters per 1000 years (be sure to indicate positive or negative)? (Hint: Denudation is the only process that reduces crustal thickness here. If crustal thickness changes, the depth of the root must change. This occurs by surface uplift, since there is no erosion at the base of the crust.)
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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Assuming isostatic compensation (crust density of 2750 kg/m3, and the mantle density is 3300 kg/m3), what will be the rate of average elevation change in an area with an average denudation rate of 1.5 meters per 1000 years (be sure to indicate positive or negative)? (Hint: Denudation is the only process that reduces crustal thickness here. If crustal thickness changes, the depth of the root must change. This occurs by surface uplift, since there is no erosion at the base of the crust.)
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