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Roche moutonnee

roches mou·ton·nées (rôsh′ mo͞ot′n-ā′, -āz′, mo͞o′tô-nā′) An elongate mound of bedrock worn smooth and rounded by glacial abrasion. [French : roche, rock + moutonné, fleecy.] American Heritage® Dictionary of the English Language, Fifth Edition. Rôche moutonnées form as a glacier flows over bedrock. Sediments entrained in flowing glacial ice abrade and polish the bedrock on the stoss side (facing towards the moving glacier) and pluck rocks off the lee side (facing away from the moving glacier). roche moutonnée (glaciated rock knob, stoss-and-lee topography) A mound-like land-form of glacial erosion, consisting of a smoothed, streamlined, up-glacier surface and a broken, shattered, lee flank, which probably results from a combination of abrasion, frost-shattering, and the plucking out of blocks by the glacier, although crushing has been suggested as a contributory mechanism.

[French : roche, rock + moutonné, fleecy.] American Heritage® Dictionary of the English Language, Fifth Edition. Roche Moutonnée This is a rock formation created by the passing of a glacier over underlying bedrock, resulting in asymmetrical erosional forms.

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The upstream side (stoss) of the rock is smooth, often with striations/ridges, as a result of abrasion as the ice advances over the rock due to basal sliding and the influence of gravity. According to Charlesworth (1957), the term roche moutonnée was first used by de Saussure between 1779 and 1796 because these rocks bear a fanciful resemblance to the wavy wigs fashionable in his day and known as moutonnées, being pomaded with mutton tallow. Roche Moutonnée a 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.

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roche moutonnee synonyms, roche moutonnee pronunciation, roche moutonnee translation, English dictionary definition of roche moutonnee. n.
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[French : roche, rock + moutonné, fleecy.] American Heritage® Dictionary of the English Language, Fifth Edition. n. pl. roches mou·ton·nées (rôsh′ mo͞ot′n-ā′, -āz′, mo͞o′tô-nā′) An elongate mound of bedrock worn smooth and rounded by glacial abrasion.

Geology Rounded by glacial action into a shape likened to a sheep's back. According to Charlesworth (1957), the term roche moutonnée was first used by de Saussure between 1779 and 1796 because these rocks bear a fanciful resemblance to the wavy wigs fashionable in his day and known as moutonnées, being pomaded with mutton tallow. Rouche moutonnee synonyms, Rouche moutonnee pronunciation, Rouche moutonnee translation, English dictionary definition of Rouche moutonnee. n.
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Roche moutonnée - Roche moutonnée - qaz.wiki

Loch Garten. 4.0 km. Abernethy Parish Church. 1.2 km. Abernethy National Nature Reserve.

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2021-04-09 · Roche moutonnée, (French: “fleecy rock”) glaciated bedrock surface, usually in the form of rounded knobs. The upstream side of a roche moutonnée has been subjected to glacial scouring that has produced a gentle, polished, and striated slope; the downstream side has been subjected to glacial 2020-08-12 · Roches moutonnées are asymmetric bedrock bumps or hills with a gently sloping and abraded upglacier ( stoss) face and a quarried (or plucked) downglacier ( lee) face that is typically blunter 1,2. A good example of a roche moutonnée is shown in the image below. roche moutonnée (plural roches moutonnées) (geography, glaciology) A rock formation created by glacial erosion. roches moutonnees,which are normally lower than others with less frequent horizontal joints. Striae, friction cracks,facets, fracture lines, and plucked surfaces, and their positions on the surfaces ofroches moutonnees,were observed.

Sediments entrained in flowing glacial ice abrade and polish the bedrock on the stoss side (facing towards the moving glacier) and pluck rocks off the lee side (facing away from the moving glacier). roche moutonnée (glaciated rock knob, stoss-and-lee topography) A mound-like land-form of glacial erosion, consisting of a smoothed, streamlined, up-glacier surface and a broken, shattered, lee flank, which probably results from a combination of abrasion, frost-shattering, and the plucking out of blocks by the glacier, although crushing has been suggested as a contributory mechanism. n. pl. roches mou·ton·nées (rôsh′ mo͞ot′n-ā′, -āz′, mo͞o′tô-nā′) An elongate mound of bedrock worn smooth and rounded by glacial abrasion.