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Cirques (Glacial landforms)

LC control 00003540
Topical headingCirques (Glacial landforms)
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Variant(s)Amphitheaters (Glacial landforms)
Cirque basins
Vans (Glacial landforms)
See alsoBasins (Geology)
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Glacial landforms
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Found inGeoRef (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)