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What is isostacy and how does it explain why the earts land masses are not flat?
Wiki User
∙ 11y ago
isostacy refers to equilibrium that exist between part of the crust.in geology the term is used to refer to gravitational equilibrium between lithosphere and asthenosphere.
isostacy is explained by isostacy theory that state ;=total mass of the rock in any vertical column of unit cross-section is constant.
Two hypothesis are used to explain the earth,that is
-principle of mass compensation by J.H Pratt in 1854
-principle of depth compensation by G.B Airy in 1855.
Wiki User
∙ 11y ago
Isostasy is the concept that the Earth's crust is floating on the denser mantle below, seeking equilibrium. This explains why land masses are not flat because the crust adjusts vertically to maintain balance with the underlying mantle. Mountains have thicker crust, causing them to rise higher, while ocean basins have thinner crust, allowing them to sink lower.
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