uForm from “magma”
§Molten earth
material
uMineral crystals form as magma
cools
§Like ice
from water
uMagma on Earth’s surface is
“Lava”
§Cools rapidly
§“Extruded”
§“Extrusive” igneous
rocks
uMagma below the Earth’s surface is magma
§Cools slowly
§“Intruded” into the
crust
§“Intrusive” igneous
rocks