orogenesis /ō- or ö- or o-rō-jenˈi-sis/ (geology)

Mountain-building, the processes that take place during an orogeny

orˈogen noun

An orogenic belt

orogenetˈic or orogenˈic adjective

orogeny /or-ojˈə-ni, ōr-or ör-/ noun

1. A period of mountain-building, during which rocks are severely folded, metamorphosed, and uplifted
2. Orogenesis

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