Igneous intrusions are a type of rock feature. They form when molten rock cools below the surface of the Earth. Join Isla and Connor as they explore igneous rock landscape features at Traprain Law ...

Igneous rocks form from the solidification of molten ... such as the Yellowstone Caldera in the United States. The initial formation of a thunderegg begins with the cooling of rhyolitic lava.

Igneous rocks are formed when magma underground or ... Sedimentary rocks have a very different formation story. They form ...