Here's a breakdown:
* Magma: Molten rock found beneath the Earth's surface.
* Intrusive: Describes igneous rocks that form when magma cools and solidifies *within* the Earth's crust.
* Igneous Rocks: Rocks formed from the cooling and solidification of magma or lava.
Examples of intrusive igneous rocks include:
* Granite: A light-colored, coarse-grained rock.
* Gabbro: A dark-colored, coarse-grained rock.
* Diorite: A medium-colored, coarse-grained rock.
These rocks are often characterized by their large crystals, which have time to grow as the magma cools slowly deep underground.