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The Rockies are fifteen hundred kilometers, or one thousand miles, to the east. The cause must be the tectonic plate that built these mountains. Its name is Farallon. Farallon started off normally enough. It plunged beneath the North American Plate at a forty-five degree angle. This process sprouted volcanoes to form the Sierra Nevada in what is now California. Next, mantle motions pulled North America ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Visualization - scientific
Subject: Physical geography, Geologic time, Geophysics, Structural geology
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