Shield Volcano
Shield volcanoes are formed when a huge amount of free-flowing lava spills from a vent and spreads broadly. The lava slowly builds up a low, broad, dome shaped mountain. The well-known Mauna Loa in Hawaii is a shield volcano. Thousands of detached overlapping lava flows, each less than 15 metres thick formed Mauna Loa. Shield volcanoes are tall and broad, with flat, rounded shapes. They are built up slowly by the merging of thousands of flows of highly fluid basaltic lava that...
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