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 Broad at the base and have gently sloping sides  Quiet eruptions  Ex: Hawaiian Islands.

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Presentation on theme: " Broad at the base and have gently sloping sides  Quiet eruptions  Ex: Hawaiian Islands."— Presentation transcript:

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2  Broad at the base and have gently sloping sides  Quiet eruptions  Ex: Hawaiian Islands

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5  Very steep slopes  Explosive eruptions

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7 PARICUTIN, MEXICO  Birth, growth and death 1943-1952  Cone grew 1400 ft in 9 years

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10  Mountains made of alternating layers of lava and sediment  Both explosive and quiet eruptions  Ex: Mt. St. Helens

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18 MT. VESUVIUS  Casts of pumice ash

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20  An empty magma chamber left over from an explosive eruption  Ex: Yellowstone

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22  Yellowstone – Over a hot spot in Earth’s mantle and could have a massive eruption

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