21 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
vent
Natural environment; Volcano
The opening at the earth's surface through which volcanic materials issue forth.
tilt
Natural environment; Volcano
The angle between the slope of a part of a volcano and some reference. The reference may be the slope of the volcano at some previous time.
stalactite
Natural environment; Volcano
A cone shaped deposit of minerals hanging from the roof of a cavern.
ultramafic
Natural environment; Volcano
Igneous rocks made mostly of the mafic minerals hypersthene, augite, and/or olivine.
strike-slip fault
Natural environment; Volcano
A nearly vertical fault with side-slipping displacement.
volcanic neck
Natural environment; Volcano
A massive pillar of rock more resistant to erosion than the lavas and pyroclastic rocks of a volcanic cone.
trachyandesite
Natural environment; Volcano
An extrusive rock intermediate in composition between trachyte and andesite.
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