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
subduction zone
Natural environment; Volcano
The zone of convergence of two tectonic plates, one of which usually overrides the other.
volcano
Natural environment; Volcano
A vent in the surface of the Earth through which magma and associated gases and ash erupt; also, the form or structure (usually conical) that is produced by the ejected material.
tuff cone
Natural environment; Volcano
A type of volcanic cone formed by the interaction of basaltic magma and water. Smaller and steeper than a tuff ring.
tumulus
Natural environment; Volcano
A doming or small mound on the crest of a lava flow caused by pressure due to the difference in the rate of flow between the cooler crust and the more fluid lava below.
trachyte
Natural environment; Volcano
A group of fine-grained, generally porphyritic, extrusive igneous rocks having alkali feldspar and minor mafic minerals as the main components, and possibly a small amount of sodic plagioclase.
tuff ring
Natural environment; Volcano
A wide, low-rimmed, well-bedded accumulation of hyalo-clastic debris built around a volcanic vent located in a lake, coastal zone, marsh, or area of abundant ground water.
