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In geology, a fold is a bent or curved rock structure that was originally a flat or planar surface. The plastic deformation can be caused by compressional and tensional stresses from plate movements, hydrostatic pressure, and high temperatures.

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What causes mountains and rock crumbles and folds?

compression


When plates slowly ram into each other they can form bended rock layers called what?

When plates slowly collide, they can form bended rock layers called folds. These folds can take various shapes such as anticlines (upward-arched folds) and synclines (downward-arched folds).


What is it called when rock layers from folds or ripples?

When rock layers are deformed into folds or ripples, it is called deformation or folding. This can occur due to tectonic forces, such as compression or extension, causing the rocks to bend and deform.


When rock layers bend due to stress?

"Folding" is the term that describes the bending of rock layers due to stress.There are different types of Folds and these include:Anticlinal Folds: This is when the rock layers have an upward-arching folds.Synclinal Folds: This is when the rock layers have a downward, trough-like folds.Monoclinal Folds: This is when both rock layers ends are horizontal.


Compression causes folds called anticlines and synclines. How do these features resemble each other How do they differ from one another?

Both anticlines and synclines are folds in rock layers formed by compression. Anticlines are upward-arched folds characterized by oldest rocks in the core, whereas synclines are downward-arching folds with youngest rocks in the core. They both result from tectonic forces squeezing and deforming the Earth's crust.


Were these folds probably caused by squeezing the rock or by stretching it?

yes


What is the stress that squeezes rock until it folds or breaks?

The stress that squeezes rock until it folds or breaks is called compressional stress. This type of stress occurs when forces push together in opposite directions, causing rocks to deform under pressure.


What are upcurved folds in rocks called?

Upcurved folds in rocks are called anticlines. These geological structures form when rock layers are bent or folded in an arch-like shape due to tectonic forces. Anticlines typically have older rock layers at the center and younger layers on the flanks.


What is rock compression?

Rock compression refers to the process in which rocks are subjected to pressure that causes them to decrease in volume. This can occur due to the weight of overlying rocks, tectonic forces, or other geological processes. Rock compression can lead to the formation of structures such as folds and faults in the Earth's crust.


The two most common types of folds are .?

anticlines and synclines


Differences between a fault and a fold?

Folds are the when the rock layers bend. Faults are breaks in the rock layers. Folds are called anticlines and synclines. Faults are called reverse faults, normal faults, or strike-slip faults.


What is it called when a metamorphic rock has folds or bands?

When a metamorphic rock has folds or bands, it is called foliation. Foliation occurs when pressure and heat cause minerals within the rock to align in layers, creating a banded appearance. These layers can be folded or crumpled due to tectonic forces.