3 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
hyaloclastite
Natural environment; Volcano
A deposit formed by the flowing or intrusion of lava or magma into water, ice, or water-saturated sediment and its consequent granulation or shattering into small angular fragments.
Heterolithologic
Natural environment; Volcano
Material is made up of a heterogeneous mix of different rock types. Instead of being composed on one rock type, it is composed of fragments of many different rocks.
Horizontal blast
Natural environment; Volcano
An explosive eruption in which the resultant cloud of hot ash and other material moves laterally rather than upward.
Hot spot
Natural environment; Volcano
A volcanic center, 60 to 120 miles (100 to 200 km) across and persistent for at least a few tens of million of years, that is thought to be the surface expression of a persistent rising plume of hot ...
Harmonic tremor
Natural environment; Volcano
A continuous release of seismic energy typically associated with the underground movement of magma. It contrasts distinctly with the sudden release and rapid decrease of seismic energy associated ...
Horst
Natural environment; Volcano
A block of the earth's crust, generally long compared to its width, that has been uplifted along faults relative to the rocks on either side.
Guyot
Natural environment; Volcano
A type of seamount that has a platform top. Named for a nineteenth-century Swiss-American geologist.
