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orogeny
[ aw-roj-uh-nee, oh-roj- ]
noun
- the process of mountain making or upheaval.
orogeny
/ ˌɒrəʊˈdʒɛnɪk; ɒˈrɒdʒɪnɪ; ˌɒrəʊdʒɪˈnɛtɪk; ˌɒrəʊˈdʒɛnɪsɪs /
noun
- the formation of mountain ranges by intense upward displacement of the earth's crust, usually associated with folding, thrust faulting, and other compressional processes
orogeny
/ ô-ŏ′ə-ŧ /
- The process of mountain formation, especially by folding and faulting of the Earth's crust and by plastic folding, metamorphism, and the intrusion of magmas in the lower parts of the lithosphere. Unlike epeirogeny , orogeny usually affects smaller regions and is associated with evidence of folding and faulting. The long chains of mountains often seen on the edges of continents form through orogeny.
Derived Forms
- orogenic, adjective
- ˌǰˈԾ, adverb
Other 51Թ Forms
- ǰ··· [awr-, uh, -, jen, -ik, or-, uh, -], ǰo··Աi adjective
Example Sentences
It was the result of the first of two mountain-building events that resulted in today’s Blue Ridge — the Grenville orogeny of 1 billion years ago.
They lay there under their blanket for hundreds of millions of years, as ages passed, an orogeny lifted the plateau, time turned ancient muds to rock, and erosion wore the blanket away.
“In this occasion we have had a kind of political implosion. And one should never discount the ability of such a tectonic orogeny to reformat how countries interact.”
Further geological studies suggest that the region suffered a complex deformation during the Andean orogeny, including block rotation.
This was the Laramide orogeny, when mountains were raised and the continent crumpled.
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