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3 TYPES OF VOLCANOES
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SHEILD
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HOW DO THEY FORM? Thin layers of lava pour out a vent and harden on top of previous layers
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TYPE OF ERUPTION AND LAVA Quiet eruption with thin, runny lava
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PHYSICAL DESCRIPTION Wide, flat gently sloping mountain
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2 EXAMPLES AND THEIR LOCATIONS Mauna Kea, Mauna Loa and Kilauea in the Hawaiian Islands
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CINDERCONE
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HOW DO THEY FORM? Thick lava produces ash, cinders and bombs, which pile up around the vent forming a steep cone shaped pile
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TYPE OF ERUPTION AND LAVA Explosive eruption with thick magma (which will produce ash, cinder, bombs and a pyroclastic flow)
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PHYSICAL DESCRIPTION Tall, pointed, steep, cone shaped hill or mountain
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2 EXAMPLES AND THEIR LOCATIONS Sunset Crater in Arizona and Eldfell in Iceland
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COMPOSITE OR STRATO
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HOW DO THEY FORM? Quiet eruptions with lava flows alternating with explosive eruptions of ash, cinders and bombs
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TYPE OF ERUPTION AND LAVA Quiet and explosive eruptions with either thin or thick lava respectively
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PHYSICAL DESCRIPTION Tall cone shaped mountain with alternating layers of lava and ash
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2 EXAMPLES AND THEIR LOCATIONS Mt. Fuji in Japan and Mt. St. Helens in Washington
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