Igneous Rocks

Igneous Rocks

Igneous rocks form when magma or lava cools and hardens. These rocks begin as molten rock inside the Earth, known as magma. When magma reaches the surface through a volcano and cools, it is called lava.

There are two main types of igneous rocks:

• Intrusive – Formed when magma cools slowly unde...

Igneous rocks, like granite, are common in Earth's crust. They form mountains and are used in constructing buildings and kitchen countertops.

These Igneous rocks form when magma cools and solidifies. But not all igneous rocks look the same. Their appearance depends on two key factors: the magma’s composition and how quickly it cools. The c...