Granite hardens within the earth’s crust, where temperatures are higher, so it cools much more slowly, allowing time for larger crystals to be formed. Sedimentary rocks close sedimentary ...

There are three main rock types: igneous, sedimentary and metamorphic ... are formed when magma underground or lava from a volcano cools and crystallizes into solid material.

As magma or lava cools it forms a tough rock that is resistant ... I wonder what kind of rock the castle is built from? CONNOR: Sedimentary rock is a soft rock type. It erodes, wears away, fairly ...