Examlex
What process in Earth's core is important in the generation of Earth's magnetic field?
Lava Dome
A dome-shaped mountain or hill of at least partly solidified lava generally of felsic to intermediate composition.
Lava Flow
Magma that erupts onto the surface and flows downhill from the vent; also the solidified body of rock formed by this magma.
Pyroclastic Flow
A fast-moving current of hot gas and volcanic materials that flows down the sides of a volcano during an explosive eruption.
Eruption Column
A column of gases, ash, and volcanic rock emitted into the atmosphere during a volcanic eruption, which can affect climate and aviation.
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