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  • A mineral alignment is a layered arrangement of firmly joined crystals of minerals; the minerals are aligned in layers or bands.
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What unique factor about the arrangement of mineral crystals occurs in many metamorphic rocks?

Foliation, which is the alignment of mineral crystals in a parallel fashion, is a unique factor in the arrangement of mineral crystals in many metamorphic rocks. This alignment forms due to the intense pressure and temperature conditions during the rock's formation, resulting in a distinct layering or banding within the rock.


What is a metamorphic rock that has parallel alignment of mineral grains?

Schist is a metamorphic rock that exhibits parallel alignment of mineral grains, giving it a foliated appearance. This alignment is typically a result of regional metamorphism where intense pressure and temperature conditions cause the minerals to recrystallize in a preferred orientation.


Is talc foliated or non foliated?

Talc is a foliated mineral. Foliated minerals have a layered or banded structure due to the alignment of mineral grains, giving them a distinct sheet-like appearance.


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.


Which rock is foliated shows mineral alignment but not banding and contains medium sized grains of quartz and pyroxene?

shist

Related Questions

What is mineral alignment?

the alignment of a mineral structure


What metamorphic rock has no obvious alignment of any type of mineral crystals?

Nonfoliated rock


What unique factor about the arrangement of mineral crystals occurs in many metamorphic rocks?

Foliation, which is the alignment of mineral crystals in a parallel fashion, is a unique factor in the arrangement of mineral crystals in many metamorphic rocks. This alignment forms due to the intense pressure and temperature conditions during the rock's formation, resulting in a distinct layering or banding within the rock.


Is it true that foliated metamorphic rocks have mineral grains that are randomly placed?

No, foliated metamorphic rocks have mineral grains that are aligned in parallel layers or bands due to the pressure and temperature conditions during their formation. This alignment gives foliated rocks their characteristic layered appearance.


What is a metamorphic rock that has parallel alignment of mineral grains?

Schist is a metamorphic rock that exhibits parallel alignment of mineral grains, giving it a foliated appearance. This alignment is typically a result of regional metamorphism where intense pressure and temperature conditions cause the minerals to recrystallize in a preferred orientation.


Is talc foliated or non foliated?

Talc is a foliated mineral. Foliated minerals have a layered or banded structure due to the alignment of mineral grains, giving them a distinct sheet-like appearance.


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.


Is phyllite a mineral or a rock?

Phyllite is a type of metamorphic rock, not a mineral. It is formed from the metamorphism of shale or mudstone and has a fine-grained texture with a silky sheen due to the alignment of its minerals.


How do you identify foliated rocks?

Foliated rocks can be identified by their layered or banded appearance, which is caused by the alignment of mineral grains in a preferred orientation. They often show visible mineral grains like mica or chlorite, and can split into thin sheets or layers due to their parallel alignment. Foliated rocks are commonly found in metamorphic environments where intense heat and pressure have altered the original rock.


If you found a rock with flat mineral grains which rock would it be?

It is likely a type of metamorphic rock, such as schist or gneiss, which form under high temperature and pressure conditions leading to the alignment of mineral grains into flat layers.


Which rock is foliated shows mineral alignment but not banding and contains medium sized grains of quartz and pyroxene?

shist


The tendency of a mineral to break along flat surfaces?

The tendency of a mineral to break along flat surfaces is called cleavage. Cleavage occurs due to the alignment of weak atomic bonds within the mineral's crystal structure, allowing it to break easily along specific planes. The quality of cleavage can be described by the number and orientation of the cleavage planes in a mineral.