Crossword

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

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