Igneous rocks are formed from extrusive lava which spilled out onto the surface or from intrusive lavas, also know as magmas, which have solidified quickly.
(Igneous rocks; are formed; from extrusive lava) (extrusive lava; spilled out; onto the surface or from intrusive lavas) (Igneous rocks; also know; as magmas) (magmas; have solidified quickly; )
Igneous rocks extrusive lava Igneous rocks magmas
are formed spilled out also know have solidified quickly
from extrusive lava
onto the surface or from intrusive lavas
as magmas