Aiguille

Japanese: aiguille
Aiguille

… A narrow, steep mountain ridge with deep valleys on both sides. Aiguille [France] A needle-like, sharp rock peak, the same as a needle. …

From [Glacial Landforms]

...Because the bottom of the cirque is formed almost at the snow line, the height of the cirque bottom formed during the ice age can be used to estimate the height of the snow line at that time. A ridgeline with steep cirque walls on both sides becomes a thin ridge (arête (French) or Grat (German)), and where it is surrounded by cirque walls on three sides, a sharp peak called a Horn (German) or aiguille (French), famous for the Matterhorn, is formed. From the bottom of the cirque to the downstream, a glacial valley with a U-shaped cross section continues. ...

*Some of the terminology explanations that mention "aiguille" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

… 馬の背両側が深い谷となった狭い急峻な山稜。 エギーユaiguille[フランス]針峰。針のように鋭い岩峰で,ニードルneedleと同じ。…

【氷河地形】より

…カール底はほぼ雪線の高さに形成されるので,氷期に形成された圏谷底高度から当時の雪線高度を推定することができる。急なカール壁を両側にもつ稜線は瘦せ尾根(アレートarête(フランス語)あるいはグラートGrat(ドイツ語))となり,三方からカール壁に囲まれるところには,マッターホルンで有名なホルンHorn(ドイツ語)あるいはエギーユaiguille(フランス語)と呼ばれる鋭峰が形成される。 カール底から下流部へは横断面形がU字形をした氷食谷(U字谷)が続く。…

※「aiguille」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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