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A glacial valley is formed when a glacier carves out the landscape as it moves slowly downhill. As the glacier advances, it erodes the surrounding rock and sediment, creating a U-shaped valley characterized by steep sides and a flatter bottom. This process occurs over thousands of years and is typically marked by features such as hanging valleys, moraines, and fjords once the glacier retreats. The resulting landforms reflect the immense power of glacial erosion.
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What are the types of features that form from glacial erosion?
Glacial Erosion formed Yosemite Valley and the Sierra Nevada
Which valley are 'U' shaped valley?
A U-Shaped Valley is formed by glacial erosion.
What is a bowl-shaped depression at the head of a glacial valley called?
A bowl-shaped depression at the head of a glacial valley is called a cirque or a corrie. It is typically formed by the erosion of a glacier.
A stream Valley Land form is the most common result of what?
A stream valley is usually 'V' shaped, formed by erosion from a stream. A glacial valley is usually 'U' shaped, formed by the action of a glacier.
What kind of erosion formed yosemite valley?
Glacial erosion formed Yosemite Valley. Meanwhile, the streams eroded the granite rock to form the waterfalls we know as Yosemite Falls and many others today.
Does a you shaped valley indicate glacial erosion?
A 'U' shaped valley indicates glacial erosion.
What name is given to a coastal valley sculpted by glacial action?
If it is inundated by the sea it is called a "Fjord", if not is just a glacial valley.
Is a valley formed from water or wind or ice?
Valleys can be formed by various factors, including water erosion, glacial activity, and wind erosion. Water eroded valleys are typically created by rivers or streams, while glacial valleys are carved out by moving glaciers. Wind can also contribute to valley formation through processes like deflation or abrasion.
Is Lake Superior a rift valley lake?
No, Lake Superior is not a rift valley lake. It is one of the Great Lakes of North America and was formed by glacial activity during the last Ice Age. Rift valley lakes are typically formed by tectonic activity, where land sinks between fault lines, which is not the case for Lake Superior. Instead, it is the result of glacial erosion and the filling of a depression with water.
How are glacial troughs formed?
A glacier trough is also known as a U-shaped valley and is formed when a glacier passes through it. The glacier erodes the bottom of the valley through abrasion, and the sides of the valley through freeze-thaw weathering. It wears away the softer rock but when it gets to the harder, tougher rock it can't erode it to give the glacial trough its shape. Hope this helps!
What is the bowl shaped depression at the head of a glacial valley?
The bowl-shaped depression at the head of a glacial valley is known as a cirque. It is formed by the erosive action of glaciers as they move and carve out the landscape, typically resulting in steep cliffs around the perimeter. Cirques often serve as the starting point for glaciers, and they may contain a small lake or tarn at the bottom after glacial retreat.
What is Difference between glaciar valley and river valley?
A glacial valley is formed by the movement of glaciers, which carve out deep U-shaped valleys with steep sides and flat bottoms. A river valley, on the other hand, is formed by the erosion of flowing water over time, resulting in V-shaped valleys with narrower bottoms and less steep sides. Glacial valleys generally have a more pronounced U-shape and are wider compared to river valleys.
