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Mechanical weathering can cause rocks to exhibit ductile deformation.
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∙ 12y ago
High temperatures and pressures, as well as the presence of fluids, can cause rocks to exhibit ductile deformation. This results in the rocks bending or flowing without breaking, usually in the deeper parts of the Earth's crust where these conditions are prevalent.
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What are the causes of deformation?
Deformation of materials (called strain) is a response to forces acting on those materials (called stress).
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.
What causes motion of glacier?
gravity. And the fact that ice behaves in a plastic (ductile, not brittle) fashion
Spin causes electrons to?
Spin causes electrons to have an intrinsic magnetic moment, leading to the phenomenon of electron spin. This property allows electrons to interact with magnetic fields and is crucial for understanding the behavior of atoms and molecules in chemistry and physics.
What is the force that causes rock layers to crumple and fold?
The force that causes rock layers to crumple and fold is mainly tectonic forces, such as compression. When two tectonic plates collide or move toward each other, the rocks in between experience intense pressure, leading to deformation and folding of the rock layers.
What condition causes rocks to exhibit ductile deformation?
High temperatures and pressures can cause rocks to exhibit ductile deformation. This process occurs when the rocks are put under stress that is beyond their brittle threshold, allowing them to deform without fracturing. This can result in the rocks being folded, stretched, or sheared without breaking.
The type of deformation in which the object permanently changes size and shape without fracturing is called?
Plastic deformation. This occurs when stress applied to the material causes it to change shape without breaking. The material retains this new shape even after the stress is removed.
What are the two ways rocks permanently deform?
Rocks permanently deform through either brittle deformation, which involves the rocks breaking or fracturing, or ductile deformation, where the rocks bend and flow without fracturing.
Three types of deformation resulting from subjecting rock to stress?
The three types of deformation that result from subjecting rock to stress are elastic deformation, which is reversible and causes the rock to temporarily change shape; ductile deformation, which leads to permanent deformation and involves the rock changing shape without fracturing; and brittle deformation, which causes the rock to fracture or break due to stress exceeding the rock's strength.
What happens when plastic deformation of a material occurs?
When plastic deformation occurs in a material, it causes permanent changes in its shape or structure due to the movement of dislocations within the material. This results in the material being able to retain its deformed shape even after the applied stress is removed. The material typically experiences strain hardening, where it becomes stronger and less ductile as deformation continues.
Why does plastic flow only occur between 50 meters of ice?
Plastic flow in ice occurs at depths greater than 50 meters because at this depth, the pressure from the weight of overlying ice causes the ice to deform and flow like a plastic material rather than behaving brittle like at shallower depths. This deformation is due to the combination of high pressure and temperature causing the ice to exhibit ductile behavior.
What is it called when a force causes an object to change its shape?
When a force causes an object to change its shape, it is known as deformation. This can occur either temporarily (elastic deformation) or permanently (plastic deformation) depending on the material properties and the applied force.
What causes body deformation?
Sometimes deformation can be cause by the mother drinking, smoking or falling on their stomach when the mother is still pregnant.
What is the source of elastic?
Mechanical energy (that causes the elastic deformation).
What are the causes of deformation?
Deformation of materials (called strain) is a response to forces acting on those materials (called stress).
What causes elastic deformation?
Elastic deformation is caused by applied forces. It is also when solids are either twisted or pull and then return to its normal shape.
What forms when deformation causes the lithosphere to break?
When deformation causes the lithosphere to break, faults can form. Faults are fractures in the Earth's crust along which movement has occurred, resulting in the displacement of rock layers. These fractures can range in size from small fissures to large fault lines and are associated with earthquakes and other tectonic activity.
