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The coal variety anthracite is a metamorphic rock.

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16y ago

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What is the term for a type of foliated metamorphic rock?

Schistose Structure metamorphic rocks are known as foliated metamorphic rock.


When rock fragments get compressed and hardened to form layers of rocks they are known as?

metamorphic rocks


Are metamorphic rocks only formed by igneous rocks?

No. Metamorphic rocks can also from front sedimentary rocks and from other metamorphic rocks.


Changed-over rocks are called?

Metamorphic Rocks


Is metamorphic rocks made up of sedimentary rock igneous rock or other metamorphic rocks?

Metamorphic rocks


Are unakite rocks Metamorphic rocks or igneous rocks?

It is a type of Metamorphic rock


What is formed when igneous rocks and sedimentary rocks are changed due to heat and pressure?

When igneous rocks and sedimentary rocks are changed due to heat and pressure, they can form metamorphic rocks. This process is known as metamorphism, and it often results in the rocks being altered in texture and mineral composition. Metamorphic rocks can include marble, schist, and gneiss.


Does pressure play a role in formation of metamorphic rocks?

Yes, pressure is a key factor in the formation of metamorphic rocks. It can come from the weight of overlying layers of rock (known as lithostatic pressure) or tectonic forces (known as dynamic pressure). The pressure can cause changes in the mineral composition and texture of existing rocks, resulting in the formation of new metamorphic rocks.


What are three types of rocks?

igneous, sedimentary, metamorphic


Can metamorphic rocks form form igneous but not from sedimentary rocks?

Metamorphic rocks can form from both igneous and sedimentary rocks through the process of heat and pressure, but they are more commonly associated with forming from existing metamorphic or sedimentary rocks. Igneous rocks can indirectly contribute to the formation of metamorphic rocks by heating up and altering surrounding rocks, leading to the formation of new metamorphic rocks.


What rocks are formed from high temperature and pressures?

Rocks formed from high temperature and pressure include metamorphic rocks such as marble, schist, and gneiss. These rocks are created deep within the Earth's crust through the transformation of existing rock types under intense heat and pressure conditions.


Can Metamorphic rocks can form from igneous but not from sedimentary rocks.?

Metamorphic rocks can form from both igneous and sedimentary rocks