Across
- 1. changing a rocks shape by heat, friction, stress, and pressure
- 3. type of magma rich in iron and magnesium and low in silica; forms dark colored igneous rock
- 5. original rock material that forms metamorphic rock
- 8. minerals precipitate out of a solution to fill the spaces between sand, pebbles, or other rock particles and bind the fragments together
- 10. naturally formed group of minerals bound together
- 11. repeated series of events by which rock gradually and continually changes
- 12. rock formed by the compaction and cementing of layers of sediments
- 13. magma rich in silica that forms light-colored igneous rock
- 15. hot molten rock that forms beneath Earth's surface
- 16. large mass of igneous rock exposed by erosion; forms core of many mountain ranges
Down
- 2. rock that has undergone chemical or structural change due to the effects of heat and pressure
- 4. process by which a rock's structure or composition is changed by pressure, heat, and moisture
- 6. intrusion of magma into Earth's crust, creating igneous rock formations
- 7. rock formed by the cooling and hardening of magma
- 9. arrangement of layers of sedimentary rock
- 14. remains, impression, or any other evidence of life from another geologic age preserved in rock