2.13 Rocky Mountains, Formation of the Southern Rockies: Still an Enigma being Debated by Geologists
Channel: Snow Mountain
Date: 2020-08-25

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2.13 Rocky Mountains, Formation of the Southern Rockies: Still an Enigma being Debated by Geologists

The portion of the Rocky Mountains that extends from Southern Montana to New Mexico was produced by a period of deformation known as the Laramide Orogeny. This event, which created some of the most picturesque scenery in the United States, peaked about 60 million years ago. The mountain ranges generated during the Laramide orogeny include the Front Range of Colorado, the Sangre de Cristo of New Mexico and Colorado, and the Big Horns of Wyoming.


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