What is a "The Change In Shape Or Volume Of A Rock Body During Deformation Is Known As"? The Most Authoritative Explanation.

What is a "The Change In Shape Or Volume Of A Rock Body During Deformation Is Known As"? The Most Authoritative Explanation.

What causes deformation of a rock?

Deformation is caused by forces acting on the rock body. These forces maybe due to gravity (vertical force) or the movement of the tectonic plates (horizontal forces). The effect of these forces on a rock depends on the area over which they are applied: force/area=stress.

What is the definition of deformation?

Deformation: The change in shape, position and/or volume of a rock in response to applied forces. Deformation is determined by comparing the rock’s deformed and undeformed states. It can be broken down into rigid body deformation (translation and rotation) and non-rigid body deformation (strain and volume change).

How does a rock change shape?

As rocks are stressed, they go through stages of deformation. At first, the rock is strained enough that its shape or size may change, but the change is reversible. This is the first stage, called elastic deformation. Think of this 'elastic' change like the elastic in your waistband.

What is volume change?

Volume change occurs where a rock body increases or decreases in volume. In two dimensions this is a change in area. A rock body may retain the same shape if the volume (area) change is the same in all directions or it may change shape if the volume (area) change varies.

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