Across
- 2. The forces per unit area acting on a material.
- 3. The internal resistance flow.
- 8. Of the two plates is decending beneath the other.
- 11. Larger depressions.
- 13. Intrusive igneous rock bodies.
- 15. A devicew that can detect small small changes in magnetic fields.
- 16. The resulting fracture or system of fractures.
- 17. Where an earthquake originates.
- 18. The process that forms all mountain ranges.
- 19. The study of a magnetic record.
Down
- 1. An equilibrium that causes the displacement of the mantle by Earth's continental and oceanic crust.
- 4. It forms when material ejected high into the air falls back to Earth and piles up around the vent.
- 5. A mountain with broad, gently sloping sides and a nearly circular base.
- 6. A pluton that forms when magma intrudes paralell to layers of rock.
- 7. Unusually hot regions of Earth's mantle where high-temperature plumes of mantle material rise toward the surface.
- 9. A bowl shaped depression.
- 10. Supercontinent
- 12. A large ocean wave generated by vertical motions of the seafloor during an earthquake.
- 14. Lava that erupts through an opening in the crust.
- 20. The amount of energy released during an earthquake is measured by ____________