frost wedging


a: frost wedging ~
b: driving railroad spikes into rock


When frozen, water expands ~ 9%. Water does not compress. So the surrounding material, the rock, will give way. This is like driving millions of tiny railroad spikes into the rock. The ultimate affect is the fracturing of the rock into smaller pieces.

Writer: Lucrezia
Where: Reference Link Has Evaporated
Date: Dec 8 2014 4:12 PM

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