11 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
Stratovolcano
Natural environment; Volcano
A volcano composed of both lava flows and pyroclastic material.
Vulcanian
Natural environment; Volcano
A type of eruption consisting of the explosive ejection of incandescent fragments of new viscous lava, usually on the form of blocks.
Viscosity
Natural environment; Volcano
A measure of resistance to flow in a liquid (water has low viscosity while honey has a higher viscosity. )
Ultramafic
Natural environment; Volcano
Igneous rocks made mostly of the mafic minerals hypersthene, augite, and/or olivine.
Trachybasalt
Natural environment; Volcano
An extrusive rock intermediate in composition between trachyte and basalt.
Vent
Natural environment; Volcano
The opening at the earth's surface through which volcanic materials issue forth.
