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A U-shaped valley is an edifice of geology that has steep, high sides as well as flat or rounded valley bottom. These valleys are formed by glaciation. They are often filled with lakes or rivers, sandtraps along a golf course, kettle lakes (water hazards), or other natural features.

Glacial erosion causes U-shaped valleys by plucking rocks from the side and bottom of the valley. These valleys can be found in mountainous regions around the globe.

Glaciers are the primary reason for forming them

Glaciers are huge bodies of ice that form and slide down mountains. When they melt they create U -shaped valleys that have flat floors and steep sides. These are different from river valleys which tend to be shaped in the shape of a V. While glacial erosion can take place everywhere but these valleys tend to be more common in mountainous areas. They are so distinct that you can tell whether the landscape was formed by rivers or glaciers.

The formation of a U-shaped gorge begins with an existing V-shaped river valley. As the glacier is eroding the landscape, it expands into the V-shaped river valley, and forms an inverted U-shaped shape. The ice also scoures the surface of the land, causing the sides of the valley to have straight and high walls. This process is referred to as glaciation, and it requires the strength of a lot to scour the earth this manner.

As the glacier continues to degrade the landscape, it also makes the valley bigger and deeper. The glacier's ice is less frictional than the rocks. As the glacier moves down the valley it also causes scratches on the rocks and pulls the weakend rocks away from the valley walls in a process referred to as plucking. These processes work together to broaden, smoothen and deepen the U-shaped valley.

This process also causes small valleys to "hang above the main one. The valley may be filled with ribbon lakes formed when water rushes through the glacier. The valley is also distinguished with striations, ruts and till on the sides, as well as moraines and till on the floor.

U-shaped valleys are found all over the world. They are common in mountainous areas, including the Andes, Alps, Caucasus, Himalaya and Rocky Mountains. In the United States, they are typically found in national parks. Examples include Glacier National Park and the Nant Ffrancon Valley in Wales. In some cases valleys can expand to the coast and turn into Fjords. This is natural process that occurs when the glacier melts and it could take hundreds of thousands of years to get these valleys formed.

They are deep

U-shaped valleys are distinguished by steep sides that curve at the bottom, and a wide, flat valley floor. They are created by river valleys that have been filled with glaciers during the Ice Age. Glaciers erode valley floors by the process of abrasion and ploughing which causes the valley to widen and expand more evenly than with a river. These kinds of features are prevalent throughout the globe in mountainous areas, including the Andes, Alps, Himalayas, Rocky Mountains, and New Zealand.

The erosion of a river valley can transform it into a u-shaped valley by increasing its depth and expanding it. The force of the glacier's erosion can also create smaller side valleys, that are typically characterized by waterfalls, to hang above the main valley. These types of valleys are known as "hanging valleys" because they are hung above the main valley when the glacier retreats.

These valleys are typically surrounded by forests and may contain lakes. Some valleys are dry and are used for farming, while others are flooded and may be explored as part of a hike or kayaking excursion. Many of these valleys can be found in Alaska, the place where melting glaciers is the most evident.

Valley glaciers are huge flowing ice like rivers that slowly move down mountain slopes during a glaciation. They can be as deep as over 1000 feet and are the most common type of valley erosion in alpine regions. They devour the rocks at the bottom of the valley, leaving behind depressions or holes that are then filled with water. The resulting lakes are long and thin, and they are located in the peaks of certain mountains.

A glacial trough is another type of valley. It is a U shaped valley that extends into the salt water to create a Fjord. They are all over the world and include Norway which is where they're known as fjords. They are created by melting glaciers and can be seen on a map of the globe. They are typically characterized by rounded sides that mimic an U shape in cross-section and steep sides. The walls of troughs are generally made of granite.

The slopes are steep

A U-shaped valley is an important geological feature with steep sides, high sides and a flat base. They are very frequent in mountainous areas and are often carved by glaciers. This is because glaciers move slowly downhill and then scour the land. Scientists believed that glaciers wouldn't be able to carve valleys because they are so soft, but now we know they can make these shapes.

Glaciers create unique U-shaped valleys as a result of the processes of abrasion and plucking. Through erosion these processes may widen, steepen, and deepen V formed valleys of rivers. The valley's slopes bottom are also altered. These changes happen at the front of the glacier when it turns into the valley. This is why the top of U-shaped valleys is usually larger than the lower.

U-shaped valleys are often filled with lakes. These lakes are called kettle lakes. They are formed in hollows that were eroded out of the rock by the glacier, or were dammed by the moraine. The lake could be a temporary feature, as the glacier melts, or it could remain after the glacier receding. They are often associated with cirques.

A flat-floored Valley is another kind of valley. It is a valley that is formed by streams that degrade the soil, however it isn't as steep of a slope as an U-shaped valley. They are usually located in mountainous areas and are often older than other types.


There are many different types of valleys across the globe, and each has a unique appearance. The most popular is a V-shaped one, but other types include U-shaped valleys as well as rift valleys. A rift valley occurs when the earth's surface is breaking apart. These are often narrow valleys that have steep sides. The Nant Ffrancon valley in Snowdonia, Wales is a good example of this.

There are a variety of common.

Unlike V-shaped valleys, U-shaped valleys have broad bases. They are typically found in mountains and are formed by glaciers. Glaciers are massive blocks of snow and ice that erode the landscape as they slide downhill. They erode valleys by crushing rocks through friction and abrasion. This erosion is known as scouring. The glaciers break up the landscape in a distinctive U-shaped design. These valleys, also referred to as U-shaped Valleys, are able to be found in many places around the world.

The formation of these valleys happens when glaciers erode existing valleys of rivers. The glacier's weight and slow motion erodes the valley's floor and sides, creating a distinctive U-shaped shape. This process, also known as glacial erosive erosion has resulted in some of the most stunning landscapes on Earth.

These valleys are also called trough valleys or glacial troughs. They are found all over the globe, but are particularly found in regions with glaciers and mountains. They range in size from a few metres to hundreds of kilometers. They also can vary in depth and length. The fluctuations in temperature will be greater the deeper the valley.

A fjord, or a ribbon lake is formed when a U-shaped valley fills with water. The ribbon lakes are formed in the valleys where the glacier eroded the less resistant rock. They also can be formed in valleys where the glacier was stopped by a moraine wall.

Aside from ribbon lakes, U-shaped valleys can also contain glacial features, such as hanging valleys, erratics and moraine dams. Erratics are massive rocks that were left behind by the glacier during its movement. The erratics can be used to mark the boundaries between glaciated areas.

These smaller valleys are left 'hanging" above the main valley that was created by the glacier. These valleys are not as deep than the main valley and they have less ice. These valleys are created by tributary ice and are often overshadowed by waterfalls.