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What is fold and fault?

Updated: 10/10/2021
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Wiki User

6y ago

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Basically: faulting is when a rock breaks under pressure, folding is when a rock gets a different shape under pressure.

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Mara Denesik

Lvl 10
2y ago
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13y ago

In simple terms, faulting is when rocks break, and folding is when rocks bend. More detail is given below.

In geology, faulting refers to the brittle failure of rock masses. This means that they lose cohesion (break into more than one piece) and that a fracture or fractures form through the material. In geology a large fracture which displays relative motion of the rockmass on either side is known as a fault.

Folding is the ductile deformation (bending or squashing) of the rockmass without a fracture occurring. Which process occurs depends on the confining stresses and or temperatures to which the rock is exposed.

Faulting occurs where strain rates are large and there are relatively low temperatures and confining pressures at shallower depths within the Earth's lithosphere. These conditions allow fractures to propagate through the rock causing faulting.

Folding tends to occur at small strain rates (the speed at which the material changes shape or is squashed is very small), at higher confining pressures and with higher temperatures at greater depths in the Earth (asthenosphere and mesosphere). All of these factors act to stop the formation of fractures within the material leading to ductile deformation which is why the rocks can fold rather than break.

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Related questions

What is the difference between a fault and a fold?

a fault is a large crack in the earth. a fold is when the ground gets bent.


Are Brittle rocks are more likely to fold then fault?

No, they're more likely to fault. Ductile rocks are more likely to fold.


What do rock layers that break but do not move form?

A Fold (anticline or syncline) - but it is not a fault. A geological Fault is a break in the rock, with the rock on one side moved relative to that on the other..


A fold in a rock that bends downward?

That type of fault is known as Synclinal fault.


The bending and buckling of rocks under great force produces a fold a fault a rift a epicenter?

a fold


What is a example of a fault-block mountain?

the Himalayasi need a example of fault block mountains(The himalayas are NOT fault block mountains , they are fold mountains.)


Fold-and-thrust belts are commonly associated with fault-block mountains?

No, so that is false.


Are the Alps folded volcanic or fault block?

Fault Block. That is wrong, they are fold mountains, they were formed on a weakening in the plate, and millions of years ago the plate was under pressure and then it buckled and the Rockies were formed.


What are the four kind of mountains?

They are the fold mountain, the fault mountain, the dome mountain, and the volcanic mountain.


What do you call mountains formed by blocks of crust moving along a fault?

Mountains made of crumpled and folded layers of rock are called fold mountains. The breaking down of materials of Earth's crust into smaller pieces is weathering.


What type of mountain are the Rockies?

The Rocky mountains are, I believe, consisted of the Transform Fault movement.


What are the four types of mountain?

fault block mountains, volcanic mountains, fold mountains, dome mountains