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, 21:02, 26 August 2014
==Useful links==
* [http://www.merriam-webster.com/dictionary/orogeny Merriam-Webster definition]
* [http://www.britannica.com/EBchecked/topic/433042/orogeny Brittanica definition]
* [[Wikipedia:Orogeny|Orogeny]]
* [[Wikipedia:List of orogenies|List of orogenies]]