Rocky Mountains


  • Type: Mountain System

The Rockies form a majestic mountain barrier that stretches from Canada through central New Mexico. Although formidable, a look at the topography reveals a discontinuous series of mountain ranges with distinct geological origins. - USGS


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Geography »

Geology

The Late Cretaceous and Early Tertiary periods were geologically eventful in the West. The Rocky Mountains, which were uplifted about 50 to 100 million years ago, extend from southern Colorado northwest to the Canadian border. Their rocks and topography are diverse and highly complex. - USGS

Physiography
Physiographic Mountain System
Physiographic Region Physiographic Division

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