Presentation on theme: "Chapter 4 Section 3 METAMORPHIC ROCKS. You will learn: Describe the conditions in Earth that cause metamorphic rocks to form Classify metamorphic rocks."— Presentation transcript:
a. Foliated Foliated rocks form when mineral grains flatten and line up in parallel lines Example: slate and gneiss
Nonfoliated No layering occurs and mineral grains do not line up Example: marble, quartzite
Ticket Out the Door How are metamorphic rocks formed? What is a “parent rock”? How are metamorphic rocks classified? What role do fluids play in rock metamorphism? Why is marble used for sculptures?