The Geosphere, and Igneous Rocks

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Across
  1. 2. innermost layer of the geosphere
  2. 5. study of the geosphere
  3. 7. igneous rocks are composed of these chemical compounds
  4. 9. dark coloured coarse-grained intrusive igneous rock
  5. 12. middle layer of the geosphere
  6. 13. rocktype formed when magma cools and solidifies
  7. 14. dark coloured fine-grained igneous rock, formed when lava cools
  8. 16. class of igneous rocks, that form deep below the Earth's surface
  9. 17. igneous rock that floats in water
  10. 18. outermost layer of the geosphere
  11. 19. name for magma at the Earth's surface
  12. 20. rock layer of the Earth
  13. 21. liquid layer of the Earth
Down
  1. 1. regular 3D lattice of atoms, found in igneous rocks
  2. 3. mountain formed when magma reaches Earth's surface
  3. 4. light coloured coarse-grained intrusive igneous rock
  4. 6. class of igneous rocks, that form at Earth's surface
  5. 7. molten rock
  6. 8. gas layer of the Earth
  7. 10. glassy igneous rock
  8. 11. living layer of the Earth
  9. 15. dark igneous rock, full of bubbles