| LC control no. | sh 00003540 |
|---|---|
| Topical heading | Cirques (Glacial landforms) |
| Variant(s) | Amphitheaters (Glacial landforms) Botns Cirque basins Coires Combes Corries Cwms Kars Oules Vans (Glacial landforms) Zanogas |
| See also | Basins (Geology) Glacial landforms Valleys |
| Found in | GeoRef (cirques; BT glacial features, RT eskers, glacial geology, glacial lakes, kames) Gloss. geol. (cirque [glac. geol.] A deep steep-walled half-bowl-like recess or hollow, variously described as horseshoe- or crescent-shaped or semicircular in plan, situated high on the side of a mountain and commonly at the head of a glacial valley, and produced by the erosive activity of a mountain glacier. It often contains a small round lake, and it may or may not be occupied by ice or snow. Syn: corrie; cwm; coire; kar; botn; amphitheater; combe; oule; van; zanoga) McGraw-Hill dict. sci. tech. (cirque [GEOL] A steep elliptic to elongated enclave high on mountains in calcareous districts, usually forming the blunt end of a valley) Random House (cirque: a bowl-shaped, steep-walled mountain basin carved by glaciation, often containing a small, round lake) Web. 3 (cirque: a deep steep-walled basin high on a mountain usu. shaped like half a bowl and often containing a small lake, caused esp. by glacial erosion, and usu. forming the blunt head of a valley) Stocker, R. A five year study of rock wren in Hendeerson Basin, Kahurang Natl. Park, 2006: p. 5 (cirque basin) |
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