lava dome (Q534282)
circular protrusion from slowly extruded viscous volcanic lava; 6% of eruptions form lava domes; content varies from basalt to rhyolite; the viscosity is due to either high silica levels or fluid magma degassing; most preserved domes are the former
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aliases volcanic dome
 dome volcano
description circular protrusion from slowly extruded viscous volcanic lava; 6% of eruptions form lava domes; content varies from basalt to rhyolite; the viscosity is due to either high silica levels or fluid magma degassing; most preserved domes are the former

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(P1417) science/volcanic-dome
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(P6366) 24343810
(P10283) C24343810