Ice Age erosion may explain Appalachians' smoother northern peaks

PHYSorg
Feb 24, 2026, 3:29 pm47 pts
Hike north on the Appalachian Trail and the scenery slowly transforms. Rugged, steep ridgelines in Tennessee and Virginia soften into the broad summits and smooth peaks of Pennsylvania and New Jersey. According to new research from William & Mary Assistant Professor of Geology Joanmarie Del Vecchio, this…

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