Texture of Igneous Rocks

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Across
  1. 3. crystals in fine grained matrix
  2. 4. lithified particles in clastic rocks
  3. 5. This rock is formed from intrusive plutonic magma that slowly cooled and crystalized many minerals
  4. 6. This rock is formed from extrusive cooled lava flow
  5. 7. This glassy rock is vesicular and very very very light in weight
  6. 9. visible crystals
  7. 11. to bind together
  8. 13. glassy
  9. 15. very small crystals
  10. 17. Granite - _____ - Diorite
  11. 18. This rock is the most silica-rich of the volcanic rocks. Think sandy!
Down
  1. 1. The pyroclastic rock that entombed the people of Pompeii
  2. 2. This rock is the intermediate of Granite and Gabbro
  3. 8. This vesicular type of rock is often red in color due to oxidation of iron
  4. 10. Igneous + Fragment
  5. 11. a large conspicuous crystal in a porphyritic rock
  6. 12. This non-crystalized rock is glassy and black
  7. 14. rocks composed of broken pieces of older rocks
  8. 16. This rock is type is noted by its large phenocrysts of various minerals embedded in a fine-grained matrix
  9. 17. This rock is phaneritic, mafic, intrusive and similar in composition to Basalt