Noun
orogenesis (countable and uncountable, plural orogeneses)
(geology) The process of mountain formation by deformation of the Earth's crust.
The orogenesis of high mountain ranges in the northeastern Japan started in Late Miocene and it lasts in Pliocene also. Source: Internet
What exactly happens in a specific orogen depends upon the strength and rheology of the continental lithosphere, and how these properties change during orogenesis. Source: Internet