释义 |
shield volcano
shield volcanon. A volcano composed of gently sloping sheets of basaltic lava from successive volcanic eruptions.shield volcano n (Geological Science) a broad volcano built up from the repeated nonexplosive eruption of basalt to form a low dome or shield, usually having a large caldera at the summit shield volcano
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. |