Some mountain ranges form along the boundaries of colliding tectonic plates, and the classic account of their rise and fall runs as follows. In these 'collisional belts', the Earth's crust is squeezed ...

Thickening of the crust, deposition of sediments, removal of rocks via erosion, or even the emplacement of large ice sheets, can perturb the crust from isostatic equilibrium and cause the surface ...