Question

What is igneous rock made of

Answer 1

Igneous rock forms from magma, which is molten rock, cools on the surface of the Earth.
So they are made of magma which has cooled.

Answer 2

A good example of intrusive igneous rock is granite . Extrusive igneous rocks form when the magma or molten rock pours out onto the earth's surface or erupts at the earth's surface from a volcano . Extrusive rocks are also called volcanic rocks.Basalt , formed from hardened lava , is the most common extrusive rock