They are very hard so they could used for road building materials.
igneous rocks
Rhyolititcen rocks.
Sedimentary rock can be made up partially of igneous clasts, but igneous rock is igneous rock.
Igneous rocks are formed by the solidification of molten materials.
Extrusive igneous rocks , Intrusive igneous rocks
Yes. Volcanic rocks are extrusive igneous rocks.
Igneous rocks
No, igneous rocks are harder than sedimentary rocks on average.
Where are igneous rocks found in Pakistan? Where are igneous rocks found in Pakistan?
Extrusive igneous rocks.
extrusive igneous rocks =/
Some do. These are called extrusive igneous rocks. However a large portion of igneous rocks form beneath the surface. These are intrusive igneous rocks.