How Were the Rocky Mountains Formed?

Answer

The Rocky Mountains were formed when forces under the earth's crust (tectonic plates) were pushing against each other forcing the land to move upward. This happened millions of years ago.
Q&A Related to "How Were the Rocky Mountains Formed?"
The Rocky Mountains were formed when plates in the earth collided with each other causing an uplifting of the crust. Some of the mountain range was made by volcanic eruptions and
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the Rocky Mountains were formed in the same way every other mountain range was formed, by the collision of tectonic plates. In this case it was the North American plate and the Pacific
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They were formed between 100 million years ago and 50 million years ago, when the Farallion Plate subducted beneath the North American Plate. The collisi0on of these two plates caused
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Taconic Orogeny The Taconic Orogeny (mountain building) in the Ordovician Age (430 million years ago) was the first of three plate collisions on the east coast of North America. The
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1 Additional Answer
The Rocky Mountains were formed when the large plates that form the surface of the earth moved around and collided with each other. It is thought that this occurred over 120 million years ago. The plates are moving still, albeit very slowly. You can find more information here: http://www.mountainnature.com/geology/platetectonics.htm
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