Posts tagged as granite

Formation of Igneous Rocks – Sample Answer

Igneous rocks are formed when magma is cooled, either inside the earth’s crust or on the earth’s surface. Plutonic igneous rocks are formed when molten rock cools and hardens below the surface e.g. granite. Volcanic igneous rocks are formed when molten rock cools and hardens on the surface, e.g. baslat…. Continue Reading →