: Paléoclimatologie: orogenesis

natural phenomenon > geological phenomenon > orogenesis

orogenesis

Orogeny is a mountain-building process that takes place at a convergent plate margin when plate motion compresses the margin. An orogenic belt or orogen develops as the compressed plate crumples and is uplifted to form one or more mountain ranges. This involves a series of geological processes collectively called orogenesis. These include both structural deformation of existing continental crust and the creation of new continental crust through volcanism. Magma rising in the orogen carries less dense material upwards while leaving more dense material behind, resulting in compositional differentiation of Earth's lithosphere (crust and uppermost mantle). A synorogenic (or synkinematic) process or event is one that occurs during an orogeny. (Adapted from: https://en.wikipedia.org/wiki/Orogeny)

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