roche moutonnée
roche mou·ton·née
R0274400 (rôsh′ mo͞ot′n-ā′, mo͞o′tô-nā′)roche moutonnée
(ˈrəʊʃ ˌmuːtəˈneɪ)roche mou•ton•née
(ˈroʊʃ ˌmut nˈeɪ)n.
单词 | roche moutonnée |
释义 | roche moutonnéeroche mou·ton·néeR0274400 (rôsh′ mo͞ot′n-ā′, mo͞o′tô-nā′)roche moutonnée(ˈrəʊʃ ˌmuːtəˈneɪ)roche mou•ton•née(ˈroʊʃ ˌmut nˈeɪ)n. Roche Moutonnéeroche moutonnée[′rōch ¦müt·ən¦ā]Roche Moutonnéea bedrock boss which has been smoothed and polished by the action of a moving glacier. Usually the slope facing the glacier is gentle and polished smooth, with a characteristic rounded profile. The opposite slope is steeper and more uneven. The length of a roche moutonnée can be hundreds of meters, and the height 50 m. Groups of small, closely placed roches moutonnées are sometimes called ice-sculptured rocks. Roches moutonnees are found in both continental and mountain regions of recent and ancient glaciation. In the USSR roches moutonnees are particularly common on the Kola Peninsula and in Kareliia. |
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