Cenozoic Erathem
stratigraphy
Learn about this topic in these articles:
geology of North America
- In North America: Mesozoic and Cenozoic orogenic belts
The youngest mountain ranges (the Cordilleras) formed along the western margin of the continent and around the Caribbean Sea. The development of the Cordilleras occurred mainly after the Atlantic Ocean began to open and North America started drifting westward over the floor…
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