Unit 5 and 6 vocab

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Across
  1. 2. deformation imposed during mountain building.
  2. 7. a line on a diagram or map connecting points relating to the same time or equal times
  3. 8. a cone formed around a volcanic vent by fragments of lava thrown out during eruptions
  4. 10. the result of a giant volcanic eruption or series of eruptions that covers large stretches of land or the ocean floor with basalt lava
  5. 12. a geological process where one tectonic plate slides beneath another, typically at a convergent plate boundary
  6. 13. a large depression formed when a volcano erupts and collapses
  7. 15. a geological phenomenon where the Earth's magnetic north and south poles switch positions
Down
  1. 1. the gradual movement of the continents across the earth's surface through geological time.
  2. 3. very large blocks of rock, sometimes hundreds of kilometres in extent
  3. 4. a geological feature where two or more tectonic plates move towards each other and collide
  4. 5. a geophysical mechanism
  5. 6. mostly rigid areas of lithosphere, located at major plate boundaries but rotating as more or less independent plates
  6. 9. the equilibrium that exists in parts of the earth's crust
  7. 11. a flat, low-lying valley that forms at a geographical crack or separation
  8. 14. a body of intrusive igneous rock.