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Definitions

Definitions. Section 9.3. Volcanic Landforms. Shield volcano: A shield-shaped volcano with a broad base and gently sloping sides that is made of basaltic lava. Cinder cone: A cone-shaped volcano formed from lava fragments that have been ejected from a volcano vent.

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Definitions

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  1. Definitions Section 9.3

  2. Volcanic Landforms • Shield volcano: A shield-shaped volcano with a broad base and gently sloping sides that is made of basaltic lava

  3. Cinder cone: A cone-shaped volcano formed from lava fragments that have been ejected from a volcano vent

  4. Composite volcano: A volcano made of layers of hardened lava flows and pyroclastic materials

  5. Lahar: A fast-moving mudflow that occurs when the heat associated with a volcanic eruption melts snow and ice on top of a volcano • Caldera: A large, crater-shaped basin formed after the top of a volcano collapses • Lava plateau: A flat area formed from basaltic lava pouring from a crack in Earth’s surface

  6. Concept Map

  7. Challenge Activity

  8. Composite, cone or shield?

  9. Composite, cone or shield?

  10. Composite, cone or shield?

  11. Composite, cone or shield?

  12. Composite, cone or shield?

  13. Composite, cone or shield?

  14. Lahar, Caldera or Lava Plateau?

  15. Lahar, Caldera or Lava Plateau?

  16. Lahar, Caldera or Lava Plateau?

  17. Lahar, Caldera or Lava Plateau?

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