Igneous Rock
By: Daniella Marin, Daryana Perez
Rock
is a mixture of minerals and other materials
Intrusive Rock
is formed when magma hardened beneath Earth's surface. Granite is the most abundant intrusive rock in continental crust.
Gneiss
Extrusive Rock
is formed when lava that erupted on Earth's surface. Basalt is the most common extrusive rock.
Igneous
a type of rock that forms from the cooling of molten rock at or below the surface.