Part 1

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Across
  1. 2. texture
  2. 4. series of reactions
  3. 5. building material
  4. 7. side, shape and distribution of the particles rhsg collectively constitute a Rock
  5. 8. compositional group of igneous rocks (basaltic)
  6. 10. igneous rocks that contain small cavities
  7. 12. body of molten rock found at depth
  8. 16. volcanic glass of Felsic composition
  9. 19. compositional group of igneous rocks that contains at least 25 percent dark silicate minerals
  10. 20. vesicular rock having a granite composition
  11. 21. igneous rocks and the crystals are too small to be distinguished
  12. 23. porphyritic composition of volcanic origin
  13. 24. settling the settling of the minerals that are denser than the liquid portion
  14. 25. process of generating more than one rock type from a single magma
Down
  1. 1. pyroclastic texture
  2. 2. large crystal embedded in a matrix of small crystals
  3. 3. igneous rocks that contain no crystals
  4. 6. compositional group of igneous rocks that indicates
  5. 9. igneous Rock that forms below the surface (plutonic)
  6. 11. igneous rock of mafic composition
  7. 13. a rock formed by the crystallization of magma
  8. 14. crystals are large enough that individual minerals can be identified
  9. 15. fine grained composed of light colored silicates
  10. 17. magma that reaches earths surface
  11. 18. volcanic rock
  12. 22. makes up significant percentage of oceanic crust