1. Why are olivine and quartz never found together in an igneous rock?
2. What does sediment size indicate about the history of that depositional environment?
3. How are chemical precipitates different from rocks that form from sediment particles?
4. What is the difference between clastic and bioclastic sedimentary rocks?
5. What is contact metamorphism? Give examples of valuable resources that it creates.
6. What causes foliation in a metamorphic rock? Under what circumstances would you expect this to happen?