Types of volcanoes_geology

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Types of volcanoes and subtypes

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Types of volcanoes_geology

  1. 1. The 3 MajorTypes ofVolcanoes
  2. 2. And 5 special case volcanoes: Lava plateau Dome CalderaSpatterCone Mega Volcano
  3. 3. A volcano is any place on the Earths surface (orany other planets or moons surface) wheremolten rock,gases andpyroclastic debris erupt through the earths crust.
  4. 4. Dome Volcano
  5. 5. Lava dome on Soufriere Hills Volcano,Caribbean Island of Montserrat
  6. 6. Spatter Cone
  7. 7. Caldera Volcano
  8. 8. Lava Plateau
  9. 9. Lava pours outforming a largeflat area.
  10. 10. 1. What type ofplate boundary isthis?2. What is meltingin the bottom pictureto produce themagma?
  11. 11. 3. Howmanyvolcanoesmake uptheCascadeRange inOregon?
  12. 12. 4. Where do we findcomposite volcanoes? Answer: Around the ring of fire, and at Subduction zones
  13. 13. 5. Composite volcanoes are made of what 2 types of layers?Answer:Pyroclastic = ash and cindersBasaltic = lava flows
  14. 14. Mt. Shasta in N. California…
  15. 15. Mt. Rainer in Washington
  16. 16. Mt. Fuji in Japan
  17. 17. Cinder cones-Smallvolcano-Builds asteep coneshape-Only eruptsfor a shorttime
  18. 18. Wizard Island in Crater Lake
  19. 19. 6. How many cinder cones do you see?
  20. 20. Mauna Loa on the Big Island of Hawaii. It rises 6 miles from the ocean floor.7. Shield volcanoes have the ________(highest, lowest) slope flanks.
  21. 21. Shield Volano the size of Oregon It’s 17 miles tall. Crater at the top of the volcanoOlympus Mons on Mars- largest volcano in the solar system
  22. 22. Because the lava has lowviscosity (very runny), it isable to spread out and make abroad (wide) shape volcano.
  23. 23. 8. This lava is very running, is has low v________.
  24. 24. aaTwo types of lavas. Pahoehoe “ropey”
  25. 25. A 3 types of volcanoes = 3 types of eruptions BC 9.Name each volcano
  26. 26. 10. This is a large pyroclastic eruptionmade of g_______ and a________that is coming from a c_________volcano.
  27. 27. Summary: There are 3 main types of volcanoes: Composite, Cinder, and Shield. Special Case Volcanoes: Caldera, Mega-volcano, spatter cone, dome, and lava plateau.

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