Across
- 5. describes the processes through which the three main rock types
- 7. weaker layer beneath the lithospheric mantle
- 10. a scientific theory that explains how major landforms are created as a result of Earth's subterranean movements
- 12. the equilibrium that exists between parts of the earth's crust
- 14. places where plates slide sideways past each other
- 17. types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface
- 18. most extensive chain of mountains on Earth
- 19. the deformation of a material from stress
Down
- 1. geologic structure that is formed by layers or beds of rock being bent or folded
- 2. the usual process at work at divergent plate boundaries, leading to the creation of new ocean floor
- 3. the rigid outer part of the earth
- 4. Drift the movement of continents resulting from the motion of tectonic plates
- 6. formed from the cooling and solidification of molten (melted) rock
- 8. the study of ancient pole positions
- 9. planar fracture or discontinuity in a volume of rock
- 11. started out as some other type of rock, but have been substantially changed from their original igneous,
- 12. long chains of active volcanoes with intense seismic activity found along convergent tectonic plate boundaries
- 13. boundary when two plates come together
- 15. boundary occurs when two tectonic plates move away from each other
- 16. action of distorting