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Does pressure usually causes long minerals crystals to align?
Yes, pressure can cause long mineral crystals to align in a process known as foliation. This alignment occurs in metamorphic rocks under directional pressure, which causes the minerals to grow in a preferred orientation parallel to the direction of pressure.
Is it true that pressure usually causes long mineral crystals to align?
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What condition produces the distinct layers of flat and elongated minerals in the foliated metamorphic rocks?
The condition that produces distinct layers of flat and elongated minerals in foliated metamorphic rocks is directed pressure, which causes the minerals to align perpendicular to the direction of pressure. This pressure helps give the rock its characteristic layered structure, known as foliation.
What 2 things are needed to change a rock into metamorphic rock?
Heat and pressure are the two main agents needed to change a rock into metamorphic rock. Heat causes the minerals within the rock to recrystallize, while pressure creates the conditions for those new minerals to align in a specific orientation.
The crystals of many metamorphic rocks are aligned in bands as a result of?
the application of pressure and heat during the rock's formation. This causes the minerals within the rock to reorganize and align themselves in parallel bands. The direction of the pressure determines the orientation of the bands in the metamorphic rock.
What are two agents of metamorphism?
Heat, Pressure, and Chemically active fluids.
What can granite heated under pressure form?
Granite heated under pressure can form a type of metamorphic rock called gneiss. This process causes the minerals in the granite to recrystallize and align in distinct patterns, giving gneiss its characteristic banded appearance.
What are rocks called with alternating bands of light and dark silicate minerals?
Rocks with alternating bands of light and dark silicate minerals are called gneiss. Gneiss is a metamorphic rock formed under high temperature and pressure conditions, which causes the minerals within it to align in bands or layers.
Does cleavage form when extreme heat and pressure is put on it?
Yes, cleavage is a type of metamorphic foliation that forms when rocks are subjected to extreme heat and pressure. This process causes minerals within the rock to align in a parallel fashion, creating a planar structure that reflects the direction of the stress.
When minerals of the same type align themselves it is called?
When minerals of the same type align themselves, it is called "foliation." This process typically occurs under directed pressure, causing the minerals to reorient and form layers or bands. Foliation is commonly observed in metamorphic rocks, where the alignment of minerals contributes to the rock's texture and strength.
What type of metamorphic rock has flat layers?
The type of metamorphic rock that has flat layers is called "foliated metamorphic rock." Foliation occurs when pressure causes the minerals in the rock to align in parallel layers or bands. Examples of foliated metamorphic rocks include schist, slate, and gneiss. These layered structures result from the rearrangement of minerals under heat and pressure.
How can shale be turned into slate?
Shale can be turned into slate through metamorphism, which involves applying heat and pressure to the shale over time. This process causes the minerals in the shale to recrystallize and align, creating the distinct layers, smooth texture, and foliation characteristic of slate.
