单词 | ablation till |
释义 | > as lemmasablation till ablation till n. Geology rock debris which has accumulated as a result of the ablation of the ice in which it was previously embedded. ΚΠ 1957 R. F. Flint Glacial & Pleistocene Geol. vii. 120 A simple provisional classification of tills based on their occurrence and origin..may be suggested:..2. Ablation till, deposited from drift in transport within or upon the terminal area of a shrinking glacier. 1990 A. S. Trenhale Geomorphol. Canada vi. 91 This..is replaced by a thicker, sandy and bouldery ablation till in the mountains near the international border. 2005 Berkshire Eagle (Pittsfield, Mass.) (Nexis) 16 Jan. The glaciers had also dropped stones above the lodgment till. This is called ablation till. < as lemmas |
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