网页Forcing Agent. Joseph A. DiPietro, in Geology and Landscape Evolution (Second Edition), 2018 Orogeny. Orogeny (or orogenesis) derives from the Greek oros, which means mountain, and genesis, which means origin or mode of formation.The term mountain building implies that the rate of surface uplift is greater than the rate of erosion such that, over time, a lowland area evolves into a mountain ...