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 are a bit of an anomaly. They are not at a plate boundary like most ranges around the world. The current theory is that the Farallon plate subducted shallowly
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The Rockies were formed mainly by crustal uplifts, during the late Cretaceous
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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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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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