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Volcanoes

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Volcanoes

  1. 1. Volcanoes: Fissure, Shield, and Composite<br />Teru, Rene, Kim<br />
  2. 2. Fissure Volcanoes<br />Formed from divergent boundaries<br />separating, pushing away from each other<br />flat<br />less pressure<br />not a big explosion; like a fountain, the lava flows slowly<br />e.g. Heimay volcano in Iceland<br />
  3. 3. Shield Volcanoes<br />Formed from hot spots, or cracks in the earth’s crust<br />Built by lava flows<br />Spills through multiple vents<br />Forms a distinguished shield shape, hence the name shield volcanoes<br />e.g. Hawaii is one whole shield volcano<br />
  4. 4. Composite Volcanoes<br />Formed from convergent boundaries<br />cinder cone<br />crashing into one another, mountains created<br />more pressure<br />ready to burst/explode<br />more ash, less magma<br />e.g. Mount Pinatubo in the Philippines<br />
  5. 5. The End<br />

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