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 (ô-rŏj′ə-nē) also or·o·gen·e·sis (ôr′ə-jĕn′ĭ-sĭs)
The process of mountain formation, especially by a folding and faulting of the earth's crust.

or′o·gen′ic (ôr′ə-jĕn′ĭk) adj.
or′o·gen′i·cal·ly adv.


(ɒˈrɒdʒɪnɪ) or


(Geological Science) the formation of mountain ranges by intense upward displacement of the earth's crust, usually associated with folding, thrust faulting, and other compressional processes
orogenic, orogenetic adj
ˌoroˈgenically, ˌorogeˈnetically adv


(ɔˈrɒdʒ ə ni, oʊˈrɒdʒ-)

the process of mountain formation or upheaval.
or•o•gen•ic (ˌɔr əˈdʒɛn ɪk, ˌɒr ə-) adj.
orogenesis, orogeny - Orogenesis is the formation of mountains (Greek oros) and orogeny is the process by which mountains are formed.
See also related terms for mountains.


the process by which mountains are created. — orogenic, orogenetic, adj.
See also: Geology


A phase of mountain building.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.orogeny - the process of mountain formation (especially by the upward displacement of the earth's crust)
geologic process, geological process - (geology) a natural process whereby geological features are modified
References in periodicals archive ?
Marcia Bjornerud shows how geologists chart the planet's past, explaining how we can determine the pace of solid Earth processes such as mountain building and erosion and comparing them with the more unstable rhythms of the oceans and atmosphere.
Both stores were named 2017 PRO Retailers of the Year, along with Welches Mountain Building Supply & PRO Hardware.
Camping World has purchased the Gander Mountain building and adjacent property with plans on opening a "super store" by the end of the year.
There is a wide variety of traps from those associated with normal faulting on the passive side of basins to complex fold-fault traps, where over-thrusting has resulted from mountain building at active basin margins.
It sits next to an existing Iron Mountain building and is configured to meet data security standards set for hospitals, credit card providers, the federal government and other big entities.
The online bidding for these scenic mountain building lots is now open, but will begin to close at 1 pm on Monday, July 14.
It governs the timetable of ocean formation and mountain building. It's the metronome behind plate tectonics.
The researchers said much of the world's known gold was derived from quarts veins that were formed during geological periods of mountain building as long as three billion years ago.
Chapters build on previously introduced material and move from a definition of geology to Earth in the context of the universe, plate tectonics, minerals, types and processes of rock formation, earthquakes, mountain building, time and fossils, energy and mineral resources, types of water formations, deserts, glaciers, and global changes.
The geologists of Earth Sciences Division are also investigating the tectonics and other mountain building processes relating to uplifting of Himalayas and Karakoram Ranges and other mountains ranges of Pakistan.
In North America, extreme fluctuations of the inland Western Interior Sea and mountain building might have affected the evolution of dinosaurs in distinct ways from species on other continents.
'If the height of the mountains were important in slowing India's convergence, then the rate of mountain building should also slow down as the Himalaya and Tibet grew to high elevation,' Clark said.