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Yes, it's a product of differential stress (directed pressure).

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Yes, foliation is caused by directed pressure in rocks. This pressure aligns minerals in the rock, resulting in a layered or banded appearance. Foliation is common in metamorphic rocks and is a result of the rocks being subjected to deformation under pressure.

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What is metamorphic foliation?

Metamorphic foliation is a preferred orientation of mineral grains within a metamorphic rock caused by pressure during metamorphism. This alignment creates a parallel arrangement of minerals, giving the rock a layered or banded appearance. Foliation helps geologists understand the history and deformation conditions of rocks during metamorphism.


What two things are necessary for foliation to form in a metamorphic rock?

Directional pressure and differential stress are necessary for foliation to form in a metamorphic rock. Directional pressure causes minerals to align in the direction of the applied pressure, while differential stress leads to the segregation and elongation of mineral grains, resulting in the development of a foliated texture.


What is the parallel alignment of minerals that have been stressed?

The parallel alignment of minerals due to stress is called foliation. Foliation results from the deformation of minerals under pressure, causing them to align in the same direction. This alignment gives the rock a layered or banded appearance.


Foliation is the arrangement of minerals in?

Foliation is the arrangement of minerals in a rock that results in a layered or banded appearance. It is commonly formed in metamorphic rocks through processes like pressure and temperature causing mineral alignment. Foliation is a key characteristic used to classify and identify different types of metamorphic rocks.


What is an arrangement of minerals in flat or wavy parallel bands?

This arrangement is known as foliation, commonly seen in metamorphic rocks where minerals align in layers due to pressure and temperature changes during their formation.

Related questions

Foliation is caused by?

Foliation in rocks refers to the process being split into thin sheets. It is caused by intense pressure that shapes rocks to align in particular directions.


How is the orientation of foliation related to stress?

The foliation in metamorphic minerals is always perpendicular to the direction of pressure. E.g. Vertical pressure is applied, the foliation will be horizontal, and vice-versa, the pressure is horizontal you get vertical foliation. From yahoo answers


How may foliation occur in metamorphic rock?

The foliation is caused by the massive force of pressure and high temperature which results from mountain building processes caused by plate collisions. The heat and pressure combine to realign the existing minerals from a random orientation to one of parallel orientation, thus creating the visible lines or platy cleavages found in foliated metamorphic rocks. The lines of foliation are created perpendicularly to the force being applied.


How is foliation produced in a metamophic rocks?

Foliation in metamorphic rocks is produced by the alignment of mineral grains in response to directed pressure during metamorphism. Pressure causes the minerals to recrystallize and align parallel to each other, creating a banded or layered texture in the rock. This alignment results in the development of distinct planes of weakness that we observe as foliation.


What is metamorphic foliation?

Metamorphic foliation is a preferred orientation of mineral grains within a metamorphic rock caused by pressure during metamorphism. This alignment creates a parallel arrangement of minerals, giving the rock a layered or banded appearance. Foliation helps geologists understand the history and deformation conditions of rocks during metamorphism.


What causes foliation on a metamorphic rock under what cirumstances would you expect this to happen?

Foliation is created when pressure pushes different parts of the rock in different directions.


Why do metamorphic rocks often rearrange in layers?

The alignment of minerals into bands (foliation) is caused by the massive force of pressure and high temperature which results from mountain building processes caused by plate collisions. The heat and pressure combine to realign the existing minerals from a random orientation to one of parallel orientation, thus creating the visible lines or platy cleavages found in foliated metamorphic rocks. The lines of foliation are created perpendicularly to the force being applied.


Why do minerals in metamorphic rocks often rearrange in layers?

The alignment of minerals into bands (foliation) is caused by the massive force of pressure and high temperature which results from mountain building processes caused by plate collisions. The heat and pressure combine to realign the existing minerals from a random orientation to one of parallel orientation, thus creating the visible lines or platy cleavages found in foliated metamorphic rocks. The lines of foliation are created perpendicularly to the force being applied.


What is layering within metamorphic rocks called?

Heat, along with applied pressures, either from depth of burial or from tectonic forces on rock.


What two things are necessary for foliation to form in a metamorphic rock?

Directional pressure and differential stress are necessary for foliation to form in a metamorphic rock. Directional pressure causes minerals to align in the direction of the applied pressure, while differential stress leads to the segregation and elongation of mineral grains, resulting in the development of a foliated texture.


What is the parallel alignment of minerals that have been stressed?

The parallel alignment of minerals due to stress is called foliation. Foliation results from the deformation of minerals under pressure, causing them to align in the same direction. This alignment gives the rock a layered or banded appearance.


What does it mean if the rock layers are foliated?

The foliation is caused by the massive force of pressure and high temperature which results from mountain building processes caused by plate collisions. The heat and pressure combine to realign the existing minerals from a random orientation to one of parallel orientation, thus creating the visible lines or platy cleavages found in foliated metamorphic rocks. The lines of foliation are created perpendicularly to the force being applied.