QQuestionGeology
QuestionGeology
Give at least three ways that the Appalachian Mountains are different from the Northern Cascades and explain why. Note: Your answer must address how the mountains are different, not the climate in each region.
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Answer
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Step 1Here's a detailed comparison of the Appalachian Mountains and the Northern Cascades:
Step 2: Geological Age and Formation
The Appalachian Mountains are significantly older, dating back approximately 480 million years, and were formed during the Ordovician period through plate collisions. In contrast, the Northern Cascades are much younger, primarily formed around 40 - 50 million years ago during the Eocene epoch through volcanic and tectonic activity associated with the Pacific plate subduction.
Final Answer
1. Geological age (480 million vs. 40 - 50 million years) 2. Rock composition (sedimentary/metamorphic vs. volcanic/igneous) 3. Tectonic characteristics (stable continental range vs. active volcanic zone)
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