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Volcanoes  of the northwest
 

Volcanoes of the northwest

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    Volcanoes  of the northwest Volcanoes of the northwest Presentation Transcript

    • Volcanoes of the Northwest
      By Emma Bowler
    • INTRODUCTION
      How are volcanoes made?
      Introducing volcanoes of the Northwest.
      Mt. Hood
      Mt. St. Helens
      Newberry Caldera
    • HOW ARE VOLCANOES MADE?
      Volcanoes are made by magma within the earth’s mantle pushing it’s way to the surface.
    • NORTHWEST VOLCANOES
      The Ring of Fire is found along the Pacific. The Ring of Fire is a border of volcanoes along the Pacific Ocean.
      TIP :The red on the photo is the Ring of Fire.
      The Cascades are a section of volcanoes along the Pacific. They go from British Columbia to Californa.
    • MT. HOOD
      Mt. Hood is a stratovolcano. A stratovolcano is tall cone shaped volcano made of many layers of: hardened lava, rocks, pumice and volcanic ash. It is the tallest mountain in Oregon.
    • MT. ST. HELENS
      • Is an active stratovolcano
      • Erupted May 18, 1980 at 8:32 am
      • Located in Washington
    • NEWBERRY VOLCANO & CALDERA
      • Shield volcano
      • Potentially active
      • A caldera is a bowl- like volcanic feature that has collapsed during an eruption.
      • located in Bend.
    • I hope you liked my slide show and learned a thing or two about volcanoes.
      CONCLUSION