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Sub-glacial deformation refers to the mechanical processes that occur within glacier beds due to the movement of ice over sediment or bedrock. This movement can cause the bed to deform and rearrange, leading to the formation of landforms such as drumlins, eskers, and moraines underneath the glacier.
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What is elastic deformation?
Elastic deformation is the temporary distortion experienced by a material under stress, where the material returns to its original shape once the stress is removed. This deformation is reversible and does not cause permanent changes to the material's structure.
Which is not a form of rock deformation?
Melting is not a form of rock deformation. Deformation usually refers to changes in the shape, size, or orientation of rocks due to stress, pressure, or temperature, while melting involves the transition of solid rocks into molten magma or lava.
What are the main types of geologic structures arising from brittle and ductile deformation?
Brittle deformation results in structures like faults, joints, and fractures, while ductile deformation leads to structures such as folds, foliations, and cleavage planes. These structures reflect the response of rocks to different types of stress and deformation processes within the Earth's crust.
What is the process in which rocks change shape is called deformation deposition composition or flotation?
The process in which rocks change shape is called deformation. During deformation, rocks undergo changes in shape, volume, or orientation in response to stress. This can result in the formation of folds, faults, and other structural features in rocks.
Any change in the volume or shape of earths crust is called?
Any change in the volume or shape of Earth's crust is called crustal deformation. This can occur due to tectonic forces, such as compression, extension, or shearing, which lead to features like folding, faulting, and uplift.
What is the term for a lake that is permanently covered by ice?
Subglacial
What kind of deformation leads to deformation?
elastic deformation
What are subglacial volcanoes?
Subglacial volcanoes are volcanoes that form beneath glaciers or ice sheets. When magma rises to the surface and comes into contact with ice, it can lead to explosive interactions that result in the formation of subglacial volcanic features like tuyas, subglacial ridges, and hyaloclastite ridges.
Is the Dead Sea the lowest point on Earth's surface?
No. it is Bently Subglacial Trench in Antarctica.
Where is the lowest point on earth and what is the location called?
approximately 8,333 feet- Bentley Subglacial Trench
What lies beneath mount erebus?
As in all subglacial volcanos - lava - which melts the over lying ice
What is cold plastic deformation?
it is deformation below recrystalization temperature.
What are two kinds of deformation?
Two kinds of deformation are plastic deformation, where the material changes shape permanently due to stress, and elastic deformation, where the material returns to its original shape after stress is removed.
What is elastic deform?
Elastic deformation is recoverable deformation. As such, when the load that caused the deformation is removed the material will return to it's original shape.
What is elastic deformation?
Elastic deformation is the temporary distortion experienced by a material under stress, where the material returns to its original shape once the stress is removed. This deformation is reversible and does not cause permanent changes to the material's structure.
What is a deformation and what causes it?
Deformation is a change in the shape or size of a material due to stress or strain. It can be caused by external forces such as pressure, tension, or shearing forces acting on the material, leading to a rearrangement of its atomic structure. Deformation can result in a temporary change (elastic deformation) or a permanent change (plastic deformation) in the material.
Where is the deepest ice on earth?
The deepest ice on Earth can be found at the Bentley Subglacial Trench in Antarctica. It has a depth of 8,383 feet.
