Igneous Rock
By: Alexandra , Jeannie , Kassie, Annette
Rock
when studying a rock sample, geologists observe the rocks mineral composition, color, and texture.
Igneous Rock
Extrusive Rock
is igneous rock formed from lava that erupted onto Earth's surface.
Intrusive Rock
is igneous rock that formed when magma hardened beneath Earth's surface
Extrusive Rock
examples: Obsidian and Rhyolite
Igneous Rock
forms from the the cooling of magma or lava