Plutons are igneous rocks that form when magma (molten rock) cools and solidifies at depth.
(Plutons; are; igneous rocks that form when magma (molten rock) cools and solidifies at depth) (igneous rocks; form; when magma (molten rock) cools and solidifies at depth)
Plutons igneous rocks
are form
igneous rocks that form when magma (molten rock) cools and solidifies at depth
when magma (molten rock) cools and solidifies at depth