causes of folding

10.6a: Compressive forces generate folding and faulting as a consequence of shortening.
Compressive forces are common along convergent plate boundaries resulting in mountain ranges.

Which conditions can cause folding?

Folds form under varied conditions of stress, pore pressure, and temperature gradient, as evidenced by their presence in soft sediments, the full spectrum of metamorphic rocks, and even as primary flow structures in some igneous rocks.

What are reasons for folding?

Some of the most common reasons for folding are temperature, gradient, or slope of the rocks.
Apart from this pore pressure exerted on such rocks also leads to folding.

What causes folds?

Folds are caused by deformation in the earth's layers.
Rocks must be ductile and behave plastically to bend rather than break.
Ductile means to be able to deform or change shape without losing toughness or breaking.
The opposite of ductile is brittle, where the material cannot deform without breaking.

Folds can result from layer-parallel compression, uneven loading oblique to perpendicular to layers, or from amplification of surface irregularities during deformation flow. Bending involves forces applied and acting at high angles to layers that may or may not have competence contrasts.

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PDF	FOLDING Folds can result from layer-parallel compression, uneven loading oblique to perpendicular to layers, or from amplification of surface irregularities during

PDF	Folding and Faulting - Mining Matters To understand the processes of folding and faulting on the Earth An anticline is an arch-shaped fold A This causes the Play-Doh® block to fold and buckle

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