Isostacy Theory

Lesson 4 of 5 • 15 upvotes • 5:53mins

Biplab Sarkar

GEOGRAPHY OPTIONAL ASPIRANTS OF CSE EXAM. Isostasy (Greek ísos "equal", stásis "standstill") is the state of gravitational equilibrium between Earth's crust and mantle such that the crust "floats" at an elevation that depends on its thickness and density. This concept is invoked to explain how different topographic heights can exist at Earth's surface.