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Crecentic gouges

Sickle fractures occur when ice presses boulders with great force into the underlying brittle rock surface. This creates a fracture.
Crecentic gouges (Rhone glacier, 2019)
Crecentic gouges (Rhone glacier, 2019)
The direction of ice flow was from top right to bottom left.
Rock: Aare granite
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Published / Updated: 05.07.2019 / 02.08.2019

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