Definitions Section 9.3.

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Presentation transcript:

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

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

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

Concept Map

Challenge Activity

Composite, cone or shield?

Composite, cone or shield?

Composite, cone or shield?

Composite, cone or shield?

Composite, cone or shield?

Composite, cone or shield?

Lahar, Caldera or Lava Plateau?

Lahar, Caldera or Lava Plateau?

Lahar, Caldera or Lava Plateau?

Lahar, Caldera or Lava Plateau?