Plate Tectonics

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Across
  1. 5. A line on a map that connects points that have the same age
  2. 7. A mushroom shaped pluton
  3. 9. A device that can detect small changes
  4. 10. Bowl shaped depression
  5. 11. The internal resistance to flow
  6. 15. Where lava erups through; an opening
  7. 16. Where the earthquake originates
  8. 18. A Greek word "all the earth"
  9. 19. Forces per unit area acting on a material
Down
  1. 1. Intrusive igneous rock bodies
  2. 2. Directly above the focus
  3. 3. Largest plutons
  4. 4. One of the two plates beneath the other
  5. 6. Apluton that cuts across preexisting rocks
  6. 8. Resulting fracture or system of fractures
  7. 12. Larger depressions
  8. 13. Smaller and irregular plutons
  9. 14. Rock fragments thrown into the air during an volcanic eruption
  10. 17. Deformation of materials in response to stress
  11. 20. A pluton that forms when magma intrudes parallel layers of rock