What is meant by isostasy?

Answer 1

the theory of Isostacy is the theory that is used in the movement of the earth,the word itself Isostacy comes from two Greek words:iso meaning equal and Stotikos meaning balance.Therefore Isostacy theory means equal balance or standing.Evidances on the theory of isostacy:presence of Rios and and Esturies in the coastland of Gambia and Sierra leone,Melting of ice sheet and Depression.Effects of the theory of Isostacy:May cause displacement of Lithosphere,Faulting leading to the formation of Block mountains and Rift valleys,foldings,Earth quakes and volcanic eruption.Importances of the theory of isostacy:Understanding the formation of different phenomena,Explain the concept that the crust floats on the mantle,predict future events eg floods,provide precautions to people on the effects of weather.

Answer 2

stating that the general equilibrium in the crustof the earth is maintained by the flow or yielding of the rock beneath it under gravitational stress.. ;)

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Answer 3

The Pratt theory of isostasy is one explanation for the interaction between lithosphere and asthenosphere as it pertains to differences in surface elevations. It describes the isostasy as it relates to rock density differences at different topographical heights.

Answer 4

the gravitation equilidrium between lithosphere and the asthenosphere, such that the plates float at an elevation that depends on the thickness and density.

Answer 5

stating that the general equilibrium in the crust of the earth is maintained by the flow or yielding of the rock beneath it under gravitational stress.

Answer 6

Isostasy is a term used in geology which means a general equilibrium of the forces tending to elevate or depress the earth's crust.