Igneous Rocks

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Across
  1. 5. Intrusive, mafic rock.
  2. 9. Extrusive melt.
  3. 10. Coarse-grained texture.
  4. 11. "Strange-rock."
  5. 14. Largest intrusive structure.
  6. 15. Continental crustal rock.
  7. 16. Discontinuous series mineral.
  8. 19. Domed intrusive structure.
  9. 20. Reactionary geologist?
  10. 21. Small pluton.
Down
  1. 1. Intermediate igneous rock.
  2. 2. Igneous rock with exceptionally coarse texture.
  3. 3. Vesicular, glassy volcanic rock.
  4. 4. Continuous series mineral.
  5. 6. Common ultramafic color.
  6. 7. Small, tabular concordant intrusive structure.
  7. 8. Basalt's texture.
  8. 12. Intrusive melt.
  9. 13. Composition rich in magnesium and iron.
  10. 17. Obsidian's texture.
  11. 18. Small, tabular discordant intrusive structure.