How are faults intrusions and extrusions similar?

intrusion - intrusion is when magma cools down inside Earth. extrusion - extrusion is when lava cools down on Earth.

An extrusion is the forcing out of one material from another. An intrusion is the opposite where one material is forced into / inside or in between another.

Magma that forces its way into rocks and hardens is called intrusion.

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