Pm Pc W th H = Assume that the drawing at left represents the cross section of a broad plateau that is completely supported by isostasy. The plateau has an average density of pc : 2,850 kg/m³, a width of w = 200 km, a length of 400 km (into the page), and a root depth of H = 32 km, while the surrounding mantle has an average density of pm = 3,170 kg/m³.

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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4. What is the buoyant stress on the base of the crust in GPa? Note that a Gigapascal (GPa)
is 10^9 Pascals

Pm
Pc
W
H
Assume that the drawing at left
represents the cross section of a
broad plateau that is completely
supported by isostasy. The plateau
has an average density of pc =
2,850 kg/m³, a width of w = 200
km, a length of 400 km (into the
page), and a root depth of H = 32
km, while the surrounding mantle
has an average density of pm =
3,170 kg/m³.
Transcribed Image Text:Pm Pc W H Assume that the drawing at left represents the cross section of a broad plateau that is completely supported by isostasy. The plateau has an average density of pc = 2,850 kg/m³, a width of w = 200 km, a length of 400 km (into the page), and a root depth of H = 32 km, while the surrounding mantle has an average density of pm = 3,170 kg/m³.
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