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orogeny |
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orogenyMountain-building event, generally one that occurs in a geosyncline. Orogeny tends to occur during a relatively short geologic time frame. It is usually accompanied by folding and faulting of strata and by the deposition of sediments in areas adjacent to the orogenic belt. Orogenies may result from continental collisions, the underthrusting of continents by oceanic plates, the overriding of oceanic ridges by continents, and other causes. See also Acadian orogeny, Alleghenian orogeny, Alpine orogeny, Laramide orogeny, Taconic orogeny. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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2006, Deformation history of the northwestern Selwyn Basin, Yukon, Canada: implications for orogen evolution and mid-Cretaceous magmatism: Geological Society of America, Bulletin, v. Both bulk tonnage and high grade targets exist and the use of an epithermal precious metal deposit model analogous to gold-silver deposits throughout the extensive metallogenic belts of the Andean Orogen is considered reasonable. During the 1980s and 1990s, several mapping projects conducted by the MRNF and the GSC in the Cape Smith Belt (Trans-Hudson Orogen on Fig. |
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