What are the two ways igneous rock is formed?


What are the two ways igneous rock is formed?

Igneous Rocks:

Igneous rocks are one of three types of rocks categorized by how they form. The other types of rock are sedimentary rock and metamorphic rock. Igneous rocks start as magma, melted rock found within the Earth.

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While all igneous rocks form from the cooling of hot, melted rock, they can form either within the crust of the Earth or on the surface of the Earth....

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Intrusive Igneous Rock: Definition & Examples


Chapter 5 / Lesson 4

What are intrusive igneous rocks? How are they formed? Learn about igneous rocks and the difference between intrusive and extrusive igneous rocks. See various examples.

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