glacier striae (English spelling) glacier striae

Japanese: glacier striae(英語表記)glacierstriae
glacier striae (English spelling) glacier striae

...the meltwater flowing from a glacier is cloudy white because it contains clay created by abrasion, and is often called glacial milk. Polished surfaces or scratches (glacier striae) on the surface of bedrock or rocks are considered evidence of the existence of glacial activity. In areas of localized negative pressure, such as downstream of a bedrock protrusion, rock masses are torn off downstream (plucking), creating a rugged landscape.

*Some of the terminology that mentions "glacier striae" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…氷河から流れ出す融氷水が白く濁っているのは摩耗によって生じた粘土が含まれているからで,氷河乳と呼ばれるほどである。岩盤や岩石の表面に磨かれた面や擦り傷(氷河擦痕glacier striae)が残っていれば,氷河作用が存在したことの証拠とされる。基盤岩の突出部の下流側などのように局部的に生じた負圧部では,岩塊が下流側にもぎ取られ(プラッキングplucking),ごつごつした地形がつくられる。…

※「glacier striae」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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