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What is it called when minerals or grains can be forced under stress to line up in a nonrandom orientation?
This process is called foliation. It occurs in rocks under differential stress, causing minerals or grains to align in a preferred orientation, creating a layered or banded appearance. Foliation is a key characteristic of metamorphic rocks.
What is the planar alignment of minerals due to differential stress during metamorphism?
During metamorphism, minerals align perpendicular to the direction of maximum stress, which is known as foliation. This alignment results in a planar fabric within the rock, giving it a layered appearance. The degree of alignment can vary from a weak preferred orientation to a strong and well-developed foliation.
Which statement is true about a metamorphic rock that was exposed to stress equally from all directions?
If the rock was exposed to pressure equally from all directions, then it will likely not show foliation
Do all metamorphic rocks have layers?
No. The layering or foliation only occurs when there is a variation in the composition of the original rock. If the rock is homogeneous, then there will be no foliation.
How are stress and faults related in earthquakes?
Stress and faults are both caused by tectonic plates.
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
What is salty foliation?
Slaty foliation, is a type of parallel foliation consisting of fine-grained platy minerals. The direction of foliation is usually perpendicular to the direction of maximum stress.
What is saltiness?
Slaty foliation, is a type of parallel foliation consisting of fine-grained platy minerals. The direction of foliation is usually perpendicular to the direction of maximum stress.
What is a Parallel alignment of minerals that have been subjected to stress'?
It is called foliation.
What is it called when minerals or grains can be forced under stress to line up in a nonrandom orientation?
This process is called foliation. It occurs in rocks under differential stress, causing minerals or grains to align in a preferred orientation, creating a layered or banded appearance. Foliation is a key characteristic of metamorphic rocks.
What is a parallel alignment of minerals that have been subjected to stress called?
A parallel alignment of minerals that have been subjected to stress is called foliation. It creates distinctive layering or banding in rocks, such as in metamorphic rocks like schist or gneiss, where the minerals align parallel to the direction of stress.
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 planar alignment of minerals due to differential stress during metamorphism?
During metamorphism, minerals align perpendicular to the direction of maximum stress, which is known as foliation. This alignment results in a planar fabric within the rock, giving it a layered appearance. The degree of alignment can vary from a weak preferred orientation to a strong and well-developed foliation.
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 is the definition of slaty foliation?
Slaty foliation refers to a type of rock texture characterized by parallel alignment of minerals, typically mica or chlorite, giving the rock a layered appearance. It forms due to the metamorphic process of pressure and temperature causing the minerals to align perpendicular to the direction of greatest stress. Slaty foliation is commonly found in rocks like slate and phyllite.
Is a strong parallel alignment of different mineral bands in a metamorphic rock?
The strong parallel alignment of different mineral bands in a metamorphic rock is called foliation. Foliation is caused by differential stress during the rock's formation, resulting in minerals aligning perpendicular to the direction of stress to create distinct layers or bands. This alignment gives the rock a banded appearance and is a key characteristic used to classify metamorphic rocks.
A parallel alignment of minerals that have been subjected to stress?
A foliation is the term used to describe the parallel alignment of minerals in rocks that have been subjected to stress, such as pressure and temperature. This alignment results from the recrystallization of minerals in response to the deformation of the rock. Foliation is commonly found in metamorphic rocks and provides valuable information about the history of the rock's formation.
