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During the last Ice Age a large part of Earth north and south of the tropics were covered in ice and snow and glaciers were common. As the ice age drew to a close and the ice began to melt the glaciers moved faster. Glacier numbers increased and more and more began the journey down to the sea. As the glacier moves ever onward all rocks caught up in this drift tumble through to the bottom being heavier than ice.Glacial Action then takes place, that is the mass of rubble at the bottom of the glacier gouges away at the land beneath. This action creates the vallies and cirques
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What land form is created when glaciers erode backwards into the mountainside and form a shape like a bowl?
Answer: Cirques
How do alpine glaciers form?
Alpine glaciers form when snow accumulates in a mountain valley and compacts over time into ice. The weight of the ice causes it to flow downhill, carving out the valley and creating a glacier. Cold temperatures and consistent snowfall are necessary to sustain an alpine glacier.
How can movement of glaciers cause lakes to form?
As glaciers move, they can carve out deep depressions in the land called cirques. When the glacier retreats or melts, these cirques can become filled with water, forming lakes. Glaciers can also create moraines, which are piles of debris that dam up valleys, creating lakes behind them.
What glaciers create cirques on sides of mountains?
Glaciers that create cirques on the sides of mountains are called cirque glaciers. These glaciers form in bowl-shaped depressions on the slopes of mountains and are responsible for eroding and shaping the characteristic amphitheater-like features known as cirques. Examples of cirque glaciers can be found in mountain ranges around the world, such as the Alps, Andes, and Himalayas.
What are created when two valley glaciers join together?
When two valley glaciers join together, they form a larger glacier known as a piedmont glacier. This occurs when the two glaciers meet at the base of adjacent valleys and merge into a single mass of ice that spreads outwards. Piedmont glaciers are common in regions with mountainous terrain and abundant snowfall.
What helps form cirques and U-shape valleys?
Cirques and U-shaped valleys are formed by glacial erosion. Cirques are formed by the erosive action of a glacier in a bowl-shaped depression at the head of a valley. U-shaped valleys are carved out by glaciers as they flow down a mountain, eroding the surrounding rock and creating a distinctive U-shape.
Armchair-shaped valleys is in what glacial feature?
Armchair-shaped valleys, also known as cirques, are features formed by glacial erosion. They are typically semi-circular depressions located at the head of a glacier, created as ice scours the landscape. These valleys often have steep walls and are commonly associated with mountainous regions. Once the glacier retreats, cirques can often form scenic alpine lakes.
Where do cirques form?
this is a peproduction
When does an arête form?
Arêtes can form in two ways. They can form when two glaciers erode parallel U-shaped valleys, or they can form when two glacial cirques erode headwards toward one another, although frequently this results in a saddle-shaped pass, called a col.
What is the plural form of the valley?
The plural form is valleys.
What landscape features do glaciers form?
Glaciers can form various landscape features, including U-shaped valleys, cirques, aretes, and moraines. These features are created as glaciers erode and deposit material as they flow over the land.
Which is a landscape feature created by glacial deposits?
A moraine is a landscape feature created by glacial deposits. Moraines are formations of unsorted rock debris that were transported and deposited by a glacier as it moved and melted. They can be found in various forms such as terminal moraines at the end of glaciers or lateral moraines along their sides.
Where do cirques intersect?
Cirques could intersect at an intermediate ridge. This would be less common.
What is plural possessive form of valleys?
The plural form is valleys. The plural possessive is valleys'.
What are Land forms created by a glacier?
terminal moraines--------------------------------------------------------------------------------------------------------They can be:Cirques, bowl-shaped depressions where glacial ice cuts back into the mountain walls.Horns, sharp, pyramid-like peaks that form when three or more alpine glaciers carve a mountain.Arête, a jagged ridges that form between two or more cirques that cut into the same mountain.Also U-shaped valleys and Hanging Valleys.
When 2 cirques on opposite sides of a valley meet what do they form?
Moraine
What is the plural possessive form of valley?
The plural form is valleys. The plural possessive is valleys'.
