The North American Cordillera: Constructive collisions | #Geology #GeologyPage The mountain ranges of the North American Cordillera are made up of dozens of distinct crustal blocks. A new study clarifies their mode of origin and identifies a previously unknown oceanic plate that contributed to their assembly. The extensive area of elevated topography that dominates the Western reaches of North America is exceptionally broad, encompassing the coastal ranges, the Rocky Mountains and the high plateaus in between. Read more : geologypage/2013/04/the-north-american-cordillera.html Geology Page geologypage
Posted on: Tue, 18 Nov 2014 02:00:00 +0000
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