4 Terms
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Volcano
A vent or opening in a planet's surface that lets out pressurized molten rocks or magma, and gases from the inner core. Volcanoes come in various shapes and structure, but the most common ones are mountain-like structures with a crater at the summit.
Industry: Natural environment
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Volcano
seafloor spreading
Natural environment; Volcano
The mechanism by which new seafloor crust is created at oceanic ridges and slowly spreads away as plates are separating.
cirque
Natural environment; Volcano
A steep-walled horseshoe-shaped recess high on a mountain that is formed by glacial erosion.
cleavage
Natural environment; Volcano
The breaking of a mineral along crystallographic planes, that reflects a crystal structure.
composite volcano
Natural environment; Volcano
A steep volcanic cone built by both lava flows and pyroclastic eruptions.
compound volcano
Natural environment; Volcano
A volcano that consists of a complex of two or more vents, or a volcano that has an associated volcanic dome, either in its crater or on its flanks. Examples are Vesuvius and Mont Pelee.
compression waves
Natural environment; Volcano
Earthquake waves that move like a slinky. As the wave moves to the left, for example, it expands and compresses in the same direction as it moves.
