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A crevasse in a glacier is a deep crack or fissure that forms in the ice due to stress and movement. It is typically caused by the glacier's flow over uneven terrain or changes in speed. Crevasse formation can also be influenced by factors such as temperature changes and the glacier's internal structure.
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What is crevasse and how does it form?
A crevasse is a deep open crack in a glacier. It is formed when a magma chamber under a glacier causes melting and cracking and causes the glacier to slide into the ocean on the magma
What do you call a large crack in a glacier?
A crevasse is a large crack in a glacier.
What describes a crevasse?
What best to describes a crevasse is a crack in the topmost section of a glacier.
What A crack in the surface of a glacier is called a?
Crevasse! :)
What is crevasse slip?
A crevasse slip is a type of glacier movement where the upper portion of the glacier slides down relative to the lower portion, causing the opening of crevasses or cracks on the surface. This movement can be triggered by internal glacier stress, changes in temperature, or the presence of water at the base of the glacier. Crevasse slips can pose risks to glacier travelers and mountaineers.
What is a bergschrund?
A bergschrund is a large crack or crevasse in a glacier where the glacier is pulling away from the mountain.
Three different types of crevasses?
Bergschrund: A crevasse that forms at the top of a glacier where it separates from the rock or ice below. Transverse crevasse: Formed perpendicular to the flow of the glacier, typically due to the glacier bending or encountering obstructions. Marginal crevasse: Found at the edges or margins of a glacier and are often caused by variations in stress and strain as the glacier moves.
What zone seals the base of a crevasse?
The zone that seals the base of a crevasse is known as the "crevasse floor" or "crevasse base." This area is typically composed of dense, compacted ice that has formed as a result of pressure and accumulation. The crevasse floor can be smooth or rough, depending on the ice's characteristics and the dynamics of the surrounding glacier. It plays a crucial role in the stability and evolution of the crevasse as the glacier continues to move.
What is the deep crack in the surface of a glacier called?
Crevasse! :)
What is the name for the crevasse that separates the glacier from a mountain wall?
Schrund or bergschrund
What is a crack that forms when a glacier picks up speed called?
A crevasse.
What is a crevasse at the head of a mountain glacier called?
A crevasse at the head of a mountain glacier is called a "bergschrund." This feature typically forms where the glacier begins to separate from the surrounding terrain, often due to differential movement between the glacier and the mountain slope. Bergschrunds can be quite deep and wide, posing challenges for climbers and hikers navigating the glacier.
