英语词汇“protalus rampart”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

A rocky ridge or lobe marking the lower edge of an existing or melted snow bank, composed of frost-fractured boulders and other coarse debris that have slid or rolled over the snow from a talus or scree higher up the slope, or been transported by solifluction from the talus. Chiefly attributive, esp. in protalus rampart.

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the world > the earth > land > landscape > high land > ridge > [noun] > rocky ridge

rock bar1832

rand1839

randjiea1878

riegel1909

protalus1934

1934 K. Bryan in Geogr. Rev. 24 656 The word ‘nivation’ is the name of a process of excavation around snowbanks described by Matthes. The use of the same word for these ramparts of blocks is likely to prove misleading, and the reviewer suggests that ‘protalus rampart’ would be appropriate for the features.

1962 Prof. Papers U.S. Geol. Surv. No. 324. 61/2 Many deposits thin downslope to a featheredge, but in the mountains some terminate in a lobate mass bearing one or more arcuate ridges in which the fragments tend to be oriented imbricate to the slope... Such protalus lobes appear to have flowed slowly forward as a unit, presumably by solifluction.

1970 R. J. Small Study of Landforms xi. 378 The disintegrated material may slide across the bank of firn below, and accumulate to give moraine-like piles of debris (‘pro-talus’) running approximately parallel to the headwall.

1976 Sc. Geogr. Mag. 92 182 An excellent example of a protalus rampart occurs in Wester Ross 10 km south-east of Gairloch.

2003 F. Beckley Cascade Alpine Guide (ed. 3) II. 390/1 The pass is colored by Lyall's larch, and among prominent natural features are a protalus rampart and nearby granitic pinnacles.

单词	protalus rampart
释义	> as lemmas protalus rampart A rocky ridge or lobe marking the lower edge of an existing or melted snow bank, composed of frost-fractured boulders and other coarse debris that have slid or rolled over the snow from a talus or scree higher up the slope, or been transported by solifluction from the talus. Chiefly attributive, esp. in protalus rampart. ΘΚΠ the world > the earth > land > landscape > high land > ridge > [noun] > rocky ridge rock bar1832 rand1839 randjiea1878 riegel1909 protalus1934 1934 K. Bryan in Geogr. Rev. 24 656 The word ‘nivation’ is the name of a process of excavation around snowbanks described by Matthes. The use of the same word for these ramparts of blocks is likely to prove misleading, and the reviewer suggests that ‘protalus rampart’ would be appropriate for the features. 1962 Prof. Papers U.S. Geol. Surv. No. 324. 61/2 Many deposits thin downslope to a featheredge, but in the mountains some terminate in a lobate mass bearing one or more arcuate ridges in which the fragments tend to be oriented imbricate to the slope... Such protalus lobes appear to have flowed slowly forward as a unit, presumably by solifluction. 1970 R. J. Small Study of Landforms xi. 378 The disintegrated material may slide across the bank of firn below, and accumulate to give moraine-like piles of debris (‘pro-talus’) running approximately parallel to the headwall. 1976 Sc. Geogr. Mag. 92 182 An excellent example of a protalus rampart occurs in Wester Ross 10 km south-east of Gairloch. 2003 F. Beckley Cascade Alpine Guide (ed. 3) II. 390/1 The pass is colored by Lyall's larch, and among prominent natural features are a protalus rampart and nearby granitic pinnacles. extracted from protalusn. < as lemmas
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> as lemmas