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How is a arete form?

Updated: 11/24/2022
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13y ago

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It is formed when two glaciers erode parallel from each other or when two glaciers erode towards each other

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Q: How is a arete form?
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Continue Learning about Natural Sciences

What is the name of a knife edged ridge between two corries?

arete


What is a wall between two corries?

An arete.


How is an arete formed?

An arête is a thin ridge of rock which is formed when two glaciers erode parallel U-shaped valleys. The arête is a thin ridge of rock that is left separating the two valleys Arêtes can also form when two glacial cirques erode head wards towards one another, although frequently this results in a saddle-shaped pass, called a col. The edge is then sharpened by freeze-thaw weathering. Where three or more cirques meet, a pyramidal peak is created. - (a famous example is the 'Matterhorn'). Form the above it must be clear that arêtes are landforms found in mountainous terrains that have been subject to glaciation. They are therefore very common in the Alps.


What are the erosional features you might expect to see in an area where valley glaciers exist or have existed?

Corrie/cirque, arete, striat ions, pyramidal peak, bergschrund, hanging valley, moraies, and u-shaped valley or trough,


How do glacier horn form on a mountain?

Ussually by three cirques A cirque is an origin point for glaciers in mountainous areas. It is a deep depression with three high walls and an open area from which the glacier moves forward, down the mountain side. Over time, as rock is eroded, these become wider and deeper. A mountain horn, such as the Matterhorn in the Alps forms when a peak is surrounded on two or more sides by cirques. As the cirques expand and rock is eroded the peak is honed into a point, forming a horn.