sharp ridge separating valleys crossword – All Crossword Answers

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Solutions for "sharp ridge separating valleys crossword" by Letter Count

5 Letters

ARETE: A sharp, narrow mountain ridge formed by glacial erosion, typically separating two valleys or cirques.

More About "sharp ridge separating valleys crossword"

The clue "sharp ridge separating valleys" points to a specific geological formation often found in glaciated mountain ranges. The term, ARETE, is derived from the French word for "fish bone" or "ridge," aptly describing its appearance. These distinctive features are prime examples of the powerful erosive forces of glaciers.

An arête is typically formed when two adjacent cirque glaciers or valley glaciers erode rock from both sides of an existing ridge. As the glaciers deepen and widen their respective valleys, the rock between them is progressively narrowed and steepened, resulting in a knife-edge crest. Arêtes are common in many of the world's most famous mountain ranges, including the Alps, Himalayas, and the Rocky Mountains, often offering challenging terrain for mountaineers.

Understanding such geological terms can be a boon for crossword enthusiasts, as crosswords often draw on a wide range of knowledge, from geography and science to history and pop culture. Recognizing these specific terms can often unlock challenging clues and help complete puzzles with greater ease.

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Frequently Asked Questions

What is an arête?

An arête is a sharp, knife-edged ridge of rock, typically found in mountainous regions that have undergone glaciation. It forms when two glaciers erode parallel valleys or cirques (bowl-shaped depressions) on opposite sides of a mountain, leaving a narrow, pointed ridge between them.

How does an arête form in geology?

Arêtes are formed through the process of glacial erosion. As glaciers move down mountain slopes, they pluck away at the rock and abrade the landscape. When two glaciers flow on either side of a ridge, their erosive action narrows the ridge until it becomes a sharp, often jagged arête. Frost weathering and mass wasting can further sharpen these features over time.

Are all sharp ridges called arêtes?

While 'arête' specifically refers to a glacially formed sharp ridge, not all sharp ridges are called arêtes. Other types of sharp ridges can form through different geological processes, such as tectonic uplift and erosion by water or wind. However, in a crossword context, 'arête' is the most common answer for a sharp ridge separating valleys, especially when a glacial or mountain context is implied.