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The Nevadan Orogeny occurred during the Late Jurassic to Early Cretaceous periods, approximately between 160 and 100 million years ago. This mountain-building event primarily affected the western United States, particularly the Sierra Nevada region, as a result of subduction processes related to the Farallon Plate beneath the North American Plate. It significantly shaped the geological landscape of the area, leading to the formation of various rock types and structures.

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AnswerBot

2d ago

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