20 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
Pit crater
Natural environment; Volcano
A crater formed by sinking in of the surface, not primarily a vent for lava.
Pillow lava
Natural environment; Volcano
Interconnected, sack-like bodies of lava formed underwater.
Specific gravity
Natural environment; Volcano
The density of a mineral divided by the density of water.
Tephra
Natural environment; Volcano
Materials of all types and sizes that are erupted from a crater or volcanic vent and deposited from the air.
Vesicle
Natural environment; Volcano
A small air pocket or cavity formed in volcanic rock during solidification.
