6. What type of rocks are formed by the cooling and crystalization of hot molten rocks. a. Igneous rocks c. Metamorphic rocks b. Older rocks d. Sedimentary rocks 7. A layering in sedimentary rocks is greater than 1 cm thick. a. Absolute dating b.Beds c. Stratification d. Strategic 8. It is a general term for layering in sedimentary rocks. a. Absolute dating C. Beds b. Relative daling d. Stratification 9. A layering in sedimentary rocks is less than 1 cm thick a. Absolute dating b. Beds c. Lamination d. Relative dating 10.It is the study of Earth's natural material processes. a. Geology b. Geologisi c. Mineralogy d. Mineralogist