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Three Types of Volcanoes

Three Types of Volcanoes. Shield Volcanoes. Low viscosity (runny) lava Large, broad, flattened mound Resembles a warrior’s shield. Mauna Loa, Hawaii. Big island of Hawaii. MK=Mauna Koa ML=Mauna Loa K= Kohala H=Hualalai. Piton de la Fournaise, France. Surtsey, Finland.

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Three Types of Volcanoes

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  1. Three Types of Volcanoes

  2. Shield Volcanoes • Low viscosity (runny) lava • Large, broad, flattened mound • Resembles a warrior’s shield

  3. Mauna Loa, Hawaii

  4. Big island of Hawaii • MK=Mauna Koa ML=Mauna Loa • K= Kohala H=Hualalai

  5. Piton de la Fournaise, France

  6. Surtsey, Finland

  7. Shield volcano eruption

  8. Composite Volcanoes • High viscosity (thick) magma • High levels of gas • Highly explosive • Cone shaped • Formed by layers of lava and ash

  9. Mt. Rainier, Washington

  10. Mt. Fuji, Japan

  11. Mt. St. Helens, Washington

  12. Mt. Shasta

  13. Composite volcano eruption

  14. Cinder cones • High levels of gas • “Fire-fountain” eruptions • Commonly found on the edges of shield volcanoes • Made from a pile of rock pieces (lalva fragments that have cooled) • Structurally weak

  15. Pu'u ka Pele, Hawaii(on the flanks of Mauna Loa)

  16. Paracutin, Mexico

  17. Floreana Island, Galapagos

  18. Pu’u O’O, Hawaii

  19. Cinder cone eruption

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