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Metamorphic rock, such as schist or gneiss, can be formed when volcanic rock is altered by heat and pressure. This process can cause the mineral composition and texture of the rock to change, resulting in a new type of rock with different features than the original volcanic rock.

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1y ago

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Related Questions

What is rock formrd by heat or pressure?

Rock formed by heat and pressure becomes transformed and altered, such rock is called Metamorphic Rock.


What is rock alterd by heat?

Metamorphic rock is altered by heat and pressure.


What is rock altered by pressure and heat?

Metamorphic rock


Is volcanic rock the same as Metamorphic rock?

No. Volcanic rock (or igneous rock) is formed when lava cools. A metamorphic rock is formed when a rock changes because of tremendous heat and pressure underneath the earth to become a new type of rock.


Does coal consist of volcanic material?

No. Coal is the result of organic material, primarily plant matter from bogs, being chemically altered by heat and pressure, leaving being mostly carbon.


How is slate formed how is it used?

Slate is formed by heat and pressure on shale or mud stone. It splits into perfectly cleaved, broad thin sheets. It is a sedimentary rock made of volcanic ash.


How is slate formed how it is used?

Slate is formed by heat and pressure on shale or mud stone. It splits into perfectly cleaved, broad thin sheets. It is a sedimentary rock made of volcanic ash.


Was marble formed by heat and pressure or harden lava?

Marble is a metamorphic rock so it was formed by heat and pressure. :)


How is metamorphic formed by?

formed by immense heat and pressure


What is Altered variety of granite formed during cooling down period?

Altered varieties of granite formed during the cooling period include gneiss, schist, and migmatite. These rocks are created when the original granite undergoes intense heat and pressure, causing recrystallization and alteration of the minerals in the rock.


What rocks are formed by the effect of heat and pressure on other rocks?

the metamorphic rocks are formed by heat and extreme pressure from other rocks


What is a volcanic erruption?

When the heat of earth boosts the heat need to come out. After that heat makes pressure and volcano erupts.