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[Wallpaper] Natural Arch in Glacier

by on January 18, 2012

A natural arch in a glacier at Norsel Point, Anvers Island, Antarctica.

Download the high-resolution JPG version of the image. (3.1 MB). Source US NSF

Glaciation. The advance and retreat of glaciers can result in significant erosion. Advancing glaciers can carve shear-walled valleys and highly sculpted terrain. Such features are likely places for natural arches to form. The run off from retreating glaciers usually causes a temporary increase in local erosion rates. This also may contribute to arch formation if other conditions are right. http://www.naturalarches.org/archinfo/formation.htm

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