Definitions for cirquesɜrk
This page provides all possible meanings and translations of the word cirque
cirque, corrie, cwm(noun)
a steep-walled semicircular basin in a mountain; may contain a lake
A curved depression in a mountainside with steep walls, forming the end of a valley.
a circle; a circus; a circular erection or arrangement of objects
a kind of circular valley in the side of a mountain, walled around by precipices of great height
A cirque, can be a corrie or cwm which have an amphitheatre-like valley head, formed at the head of a valley glacier by erosion. The concave amphitheatre shape is open on the downhill side corresponding to the flatter area of the stage, while the cupped seating section is generally steep cliff-like slopes down which ice and glaciated debris combine and converge from the three or more higher sides. The floor of the cirque ends up bowl shaped as it is the complex convergence zone of combining ice flows from multiple directions and their accompanying rock burdens, hence experiences somewhat greater erosion forces, and is most often overdeepened below the level of the cirque's low-side outlet and its down slope valley. If the cirque is subject to seasonal melting, the floor of the cirque most often forms a tarn behind the moraine, glacial till or bedrock lip marking the downstream limit of glacial overdeepening of the basin, which serves as a dam at the outlet. Another form of cirque or makhtesh, found in Karst landscapes is formed by intermittent river flow cutting through layers of limestone and chalk leaving sheer cliffs. A common feature for all fluvial-erosion cirques is a terrain which includes erosion resistant upper structures overlying materials which are more easily eroded.
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