The Appalachians and Himalaya are a classic collisional mountain belts yet the elevation of the Appalachians mountains is a tiny fraction of the lofty Himalaya. Why are these two collisional mountain belts so different?
What will be an ideal response?
Time. The Appalachians were active more than 250 million years ago, and have been eroded to their roots. Bonus concept for students: Isostasy maintains relief, despite antiquity of Appalachians.
Environmental & Atmospheric Sciences
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Environmental & Atmospheric Sciences