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Isostasy
01
the gravitational balance between Earth's rigid lithosphere and the underlying, semi-fluid asthenosphere, influencing variations in surface elevation
Example
The rebound of land following the melting of glaciers is a classic example of isostasy, where the crust adjusts to changes in load.
The formation of deep ocean basins, like the Pacific Ocean, is influenced by isostasy as dense oceanic crust sinks into the mantle.
The concept of isostasy helps explain the elevated elevations of continental shields, where thicker crust extends beneath the Earth's surface.
