CHAPTER 4: IGNEOUS ROCKS

Igneous rock is defined as a type of rock that is formed through the cooling & solidification of lava or magma Intrusive & extrusive are

Igneous rocks are formed from molten rock called magma They are mostly crystalline and usually very hard to break

rocket 878 as accessory minerals mica hornblende accessory mineral mineral found in a rock in tiny quantities 19 20 Color Igneous rocks come in many colors A

igneous rock Igneous Rock Classification · Frothy Texture · Glassy Texture Originates from cooling too rapid to allow crystal lattices to form