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shield volcano |
Also found in: Wikipedia, Hutchinson | 0.01 sec. |
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shield volcano [′shēld väl‚kā·nō] (geology) A broad, low volcano shaped like a flattened dome and built of basaltic lava. Also known as basaltic dome; lava dome. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Melts form at the highest temperatures and lowest pressures resulting in large volumes of tholeiitic magma that form shield volcanoes such as Mauna Loa. Other images include what Saunders describes as "lots" of low domes only a few kilometers across and resembling what some geophysicists say are shield volcanoes (SN: 6/23/90, p. |
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