Metamorphic Rocks 1. What is the definition of metamorphism? 2. In your definition above, what is important regarding the statement "solid-state-transformation" found in the metamorphic rock definition? 3. What is a protolith? -- What term does your youtube viedo's use instead of protolith? Metamorphic rock textures 4. Describe the textural differences between foliated and nonfoliated metamorphic rocks. 5. In foliated metamorphic rocks, how does a geologist know which rocks have been subjected to more pressure and temperatures? 6. Given the metamorphic rocks below, arrange them in order of high grade metamorphism to low grade metamorphism. a. slate, phillite, gneiss, schist, hornfel 7. Contrast the differences between an igneous phaneritic texture with a gneiss foliated texture. You might want to draw yourself a picture. Metamorphic rock Composition 8. Describe the compositional differences between foliated and nonfoliated metamorphic rocks. 9. Describe how one can compositionally differentiate between a marble and quartzite. 10. Given the following metamorphic rocks below, briefly describe the "typical" metamorphic environment that produces each metamorphic rock and list the rock either foliated or nonfoliated. I Gneiss, slate, hornfel, marble, serpentinite, quartzite, greenstone