1. roche moutonnée; sheepbackGeology, etc. term
Wikipedia definition
2. Roche moutonnéeIn glaciology, a roche moutonnée (or sheepback) is a rock formation created by the passing of a glacier. The passage of glacier ice over underlying bedrock often results in asymmetric erosional forms as a result of abrasion on the 'stoss' (up-ice) side of the rock and plucking on the 'lee' (down-ice) side. These erosional features are seen on scales of less than a metre to several hundred metres.
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