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Unit 7 :: GEOL 319 - Athabasca University
- Overview
Unit 7 applies what you have learned about structures in this course to the North American Cordilleran Orogeny. Lesson 1 is a recap of the tectonic history of North America covered in Unit 1; it places the Cordilleran Orogen in the context of tectonism in the Phanerozoic. Lesson … - Objectives
After studying this unit, you should be able to 1. explain the historical development of tectonicism on the western margin of North America. 2. label a map of North America to indicate where eugeosynclinal, miogeosynclinal, and platform rocks occur. 3. explain what is meant by in situan…
- Overview
North America after the breakup of the Rodinia super-continent. The Windemere Supergroup forms the lower part of a 15-km thick, dominantly carbonate shelf succession whose isopachs …
Physical Features & Geography of North America
The Western Cordillera. This physical region is sometimes divided into three distinct regions: the Coastal Range, Basin and Range, and Rocky Mountains. The Coastal Range runs along the Pacific Ocean for over 1,000 miles from Alaska …
American Cordillera - Wikipedia
The American Cordillera (/ ˌ k ɔːr d əl ˈ j ɛ r ə / KOR-dəl-YERR-ə) is a chain of mountain ranges (cordilleras), consisting of an almost continuous sequence of mountain ranges that form the western "backbone" of the Americas. [2] …
EVOLUTION OF THE NORTH AMERICAN CORDILLERA | Annual …
The Cordilleran orogen of western North America is a segment of the Circum-Pacific orogenic belt where subduction of oceanic lithosphere has been underway along a great circle of the globe …
Intra-oceanic subduction shaped the assembly of Cordilleran …
2013年4月3日 · A new explanation for the origin of the accreted terranes that form the mountainous Cordillera of western North America is proposed and tested: stationary, intra …
The North American Cordillera is part of a semi-coherent mountain belt that extends from Patagonia to Alaska. Diverse physiographic provinces are included in the “Central Cordillera.” …
Anatomy and global context of the North American Cordillera
2009年6月1日 · The North American Cordillera is anomalous because dextral transform faults along its western flank have supplanted subduction zones, the hallmark of circum-Pacific …
The American Cordillera & Continental Divide: …
The Americas' Continental Divide separates watersheds flowing into the Pacific Ocean from those flowing into the Atlantic. It spans North America's northernmost point to South America's southernmost tip and is linked to the creation and …