Volcanoes

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Across
  1. 4. A linear series of fissures in a volcanic area that allows lava to be erupted from the volcano's side instead of from its summit. (2 words)
  2. 5. a cone formed around a volcanic vent by fragments of lava thrown out during eruptions (2 words)
  3. 6. dude with a wooden sword
  4. 7. dark-colored, mainly ferromagnesian minerals.
  5. 9. another name for a composite volcano
  6. 12. The outer part of the earth, consisting of the crust and upper mantle.
  7. 13. A natural conduit formed by flowing lava which moves beneath the hardened surface of a lava flow. (2 words)
  8. 14. Molten rock below Earth's surface.
  9. 15. light-colored silicate minerals including feldspar.
Down
  1. 1. Japanese dude with a super sharp sword
  2. 2. fragments of rock erupted by a volcano
  3. 3. This boundary is where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.
  4. 7. A localized column of hot magma rising by convection in the mantle. (2 words)
  5. 8. spot Areas where mantle plumes cause volcanoes to form.
  6. 10. This boundary is where two tectonic plates are moving away from each other.
  7. 11. A broad domed volcano.